/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy10.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 07:52:42,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 07:52:42,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 07:52:42,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 07:52:42,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 07:52:42,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 07:52:42,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 07:52:42,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 07:52:42,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 07:52:42,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 07:52:42,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 07:52:42,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 07:52:42,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 07:52:42,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 07:52:42,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 07:52:42,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 07:52:42,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 07:52:42,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 07:52:42,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 07:52:42,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 07:52:42,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 07:52:42,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 07:52:42,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 07:52:42,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 07:52:42,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-26 07:52:42,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-26 07:52:42,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-26 07:52:42,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-26 07:52:42,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-26 07:52:42,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-26 07:52:42,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 07:52:42,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 07:52:42,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 07:52:42,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 07:52:42,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 07:52:42,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 07:52:42,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 07:52:42,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 07:52:42,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 07:52:42,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 07:52:42,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 07:52:42,251 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-03-26 07:52:42,263 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 07:52:42,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 07:52:42,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 07:52:42,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 07:52:42,264 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 07:52:42,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 07:52:42,264 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 07:52:42,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 07:52:42,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 07:52:42,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 07:52:42,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 07:52:42,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 07:52:42,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 07:52:42,265 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 07:52:42,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 07:52:42,265 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 07:52:42,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 07:52:42,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 07:52:42,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 07:52:42,265 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 07:52:42,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 07:52:42,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 07:52:42,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 07:52:42,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 07:52:42,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 07:52:42,266 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 07:52:42,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 07:52:42,266 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-26 07:52:42,266 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 07:52:42,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 07:52:42,266 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 07:52:42,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 07:52:42,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 07:52:42,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 07:52:42,606 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-26 07:52:42,607 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-26 07:52:42,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy10.wvr.bpl [2021-03-26 07:52:42,608 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy10.wvr.bpl' [2021-03-26 07:52:42,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 07:52:42,652 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-26 07:52:42,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 07:52:42,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 07:52:42,654 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 07:52:42,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 07:52:42" (1/1) ... [2021-03-26 07:52:42,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 07:52:42" (1/1) ... [2021-03-26 07:52:42,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 07:52:42,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 07:52:42,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 07:52:42,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 07:52:42,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 07:52:42" (1/1) ... [2021-03-26 07:52:42,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 07:52:42" (1/1) ... [2021-03-26 07:52:42,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 07:52:42" (1/1) ... [2021-03-26 07:52:42,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 07:52:42" (1/1) ... [2021-03-26 07:52:42,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 07:52:42" (1/1) ... [2021-03-26 07:52:42,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 07:52:42" (1/1) ... [2021-03-26 07:52:42,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 07:52:42" (1/1) ... [2021-03-26 07:52:42,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 07:52:42,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 07:52:42,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 07:52:42,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 07:52:42,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 07:52:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 07:52:42,759 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-26 07:52:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-26 07:52:42,760 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-26 07:52:42,760 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-26 07:52:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-26 07:52:42,760 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-26 07:52:42,760 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-26 07:52:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 07:52:42,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 07:52:42,760 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-26 07:52:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-26 07:52:42,761 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-26 07:52:42,761 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-03-26 07:52:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-03-26 07:52:42,761 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-03-26 07:52:42,761 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 07:52:42,946 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 07:52:42,946 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-26 07:52:42,947 INFO L202 PluginConnector]: Adding new model easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 07:52:42 BoogieIcfgContainer [2021-03-26 07:52:42,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 07:52:42,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 07:52:42,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 07:52:42,950 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 07:52:42,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 07:52:42" (1/2) ... [2021-03-26 07:52:42,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b3469 and model type easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 07:52:42, skipping insertion in model container [2021-03-26 07:52:42,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 07:52:42" (2/2) ... [2021-03-26 07:52:42,952 INFO L111 eAbstractionObserver]: Analyzing ICFG easy10.wvr.bpl [2021-03-26 07:52:42,955 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 07:52:42,957 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 07:52:42,957 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 07:52:43,028 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-26 07:52:43,069 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-26 07:52:43,093 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 07:52:43,093 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 07:52:43,093 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 07:52:43,094 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 07:52:43,094 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 07:52:43,094 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 07:52:43,094 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 07:52:43,094 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 07:52:43,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 45 transitions, 122 flow [2021-03-26 07:52:43,138 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-03-26 07:52:43,138 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 07:52:43,152 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 41 events. 0/41 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 86 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 07:52:43,152 INFO L82 GeneralOperation]: Start removeDead. Operand has 58 places, 45 transitions, 122 flow [2021-03-26 07:52:43,155 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 39 transitions, 102 flow [2021-03-26 07:52:43,156 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:43,165 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 39 transitions, 102 flow [2021-03-26 07:52:43,167 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 39 transitions, 102 flow [2021-03-26 07:52:43,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 39 transitions, 102 flow [2021-03-26 07:52:43,177 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-03-26 07:52:43,178 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 07:52:43,178 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 39 events. 0/39 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 84 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 07:52:43,181 INFO L142 LiptonReduction]: Number of co-enabled transitions 756 [2021-03-26 07:52:43,483 INFO L154 LiptonReduction]: Checked pairs total: 936 [2021-03-26 07:52:43,483 INFO L156 LiptonReduction]: Total number of compositions: 13 [2021-03-26 07:52:43,485 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 329 [2021-03-26 07:52:43,495 INFO L129 PetriNetUnfolder]: 0/25 cut-off events. [2021-03-26 07:52:43,495 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 07:52:43,495 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:43,496 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:43,496 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:43,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:43,499 INFO L82 PathProgramCache]: Analyzing trace with hash 282617581, now seen corresponding path program 1 times [2021-03-26 07:52:43,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:43,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327858885] [2021-03-26 07:52:43,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:43,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:43,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-26 07:52:43,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:43,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:52:43,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:52:43,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327858885] [2021-03-26 07:52:43,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:52:43,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 07:52:43,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782087352] [2021-03-26 07:52:43,595 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 07:52:43,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:52:43,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 07:52:43,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 07:52:43,605 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 58 [2021-03-26 07:52:43,606 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 26 transitions, 76 flow. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:43,606 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:52:43,606 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 58 [2021-03-26 07:52:43,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:52:43,620 INFO L129 PetriNetUnfolder]: 1/30 cut-off events. [2021-03-26 07:52:43,620 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-03-26 07:52:43,621 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 30 events. 1/30 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 1 based on Foata normal form. 1/30 useless extension candidates. Maximal degree in co-relation 33. Up to 6 conditions per place. [2021-03-26 07:52:43,622 INFO L132 encePairwiseOnDemand]: 55/58 looper letters, 2 selfloop transitions, 2 changer transitions 0/26 dead transitions. [2021-03-26 07:52:43,622 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 26 transitions, 84 flow [2021-03-26 07:52:43,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 07:52:43,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 07:52:43,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 155 transitions. [2021-03-26 07:52:43,629 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8908045977011494 [2021-03-26 07:52:43,629 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 155 transitions. [2021-03-26 07:52:43,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 155 transitions. [2021-03-26 07:52:43,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:52:43,632 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 155 transitions. [2021-03-26 07:52:43,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:43,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:43,636 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:43,637 INFO L185 Difference]: Start difference. First operand has 39 places, 26 transitions, 76 flow. Second operand 3 states and 155 transitions. [2021-03-26 07:52:43,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 26 transitions, 84 flow [2021-03-26 07:52:43,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 26 transitions, 68 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-26 07:52:43,640 INFO L241 Difference]: Finished difference. Result has 34 places, 26 transitions, 68 flow [2021-03-26 07:52:43,641 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=34, PETRI_TRANSITIONS=26} [2021-03-26 07:52:43,642 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, -5 predicate places. [2021-03-26 07:52:43,642 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:43,642 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 26 transitions, 68 flow [2021-03-26 07:52:43,642 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 26 transitions, 68 flow [2021-03-26 07:52:43,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 26 transitions, 68 flow [2021-03-26 07:52:43,647 INFO L129 PetriNetUnfolder]: 0/26 cut-off events. [2021-03-26 07:52:43,647 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 07:52:43,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 26 events. 0/26 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 07:52:43,647 INFO L142 LiptonReduction]: Number of co-enabled transitions 280 [2021-03-26 07:52:43,691 INFO L154 LiptonReduction]: Checked pairs total: 521 [2021-03-26 07:52:43,692 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 07:52:43,692 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50 [2021-03-26 07:52:43,693 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 24 transitions, 64 flow [2021-03-26 07:52:43,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:43,693 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:43,693 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:43,693 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 07:52:43,694 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:43,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:43,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1092250881, now seen corresponding path program 2 times [2021-03-26 07:52:43,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:43,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163682445] [2021-03-26 07:52:43,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:43,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:43,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-26 07:52:43,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:43,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:52:43,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:52:43,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163682445] [2021-03-26 07:52:43,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:52:43,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 07:52:43,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537124826] [2021-03-26 07:52:43,713 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 07:52:43,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:52:43,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 07:52:43,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 07:52:43,714 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 60 [2021-03-26 07:52:43,714 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 24 transitions, 64 flow. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:43,714 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:52:43,714 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 60 [2021-03-26 07:52:43,714 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:52:43,722 INFO L129 PetriNetUnfolder]: 1/28 cut-off events. [2021-03-26 07:52:43,722 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 07:52:43,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 28 events. 1/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 58 event pairs, 1 based on Foata normal form. 1/29 useless extension candidates. Maximal degree in co-relation 30. Up to 6 conditions per place. [2021-03-26 07:52:43,723 INFO L132 encePairwiseOnDemand]: 57/60 looper letters, 2 selfloop transitions, 2 changer transitions 0/24 dead transitions. [2021-03-26 07:52:43,723 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 24 transitions, 72 flow [2021-03-26 07:52:43,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 07:52:43,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 07:52:43,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 161 transitions. [2021-03-26 07:52:43,725 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8944444444444445 [2021-03-26 07:52:43,725 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 161 transitions. [2021-03-26 07:52:43,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 161 transitions. [2021-03-26 07:52:43,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:52:43,725 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 161 transitions. [2021-03-26 07:52:43,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:43,726 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 60.0) internal successors, (240), 4 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:43,727 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 60.0) internal successors, (240), 4 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:43,727 INFO L185 Difference]: Start difference. First operand has 32 places, 24 transitions, 64 flow. Second operand 3 states and 161 transitions. [2021-03-26 07:52:43,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 24 transitions, 72 flow [2021-03-26 07:52:43,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 24 transitions, 68 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 07:52:43,728 INFO L241 Difference]: Finished difference. Result has 33 places, 24 transitions, 68 flow [2021-03-26 07:52:43,728 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=33, PETRI_TRANSITIONS=24} [2021-03-26 07:52:43,728 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, -6 predicate places. [2021-03-26 07:52:43,729 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:43,729 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 24 transitions, 68 flow [2021-03-26 07:52:43,729 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 24 transitions, 68 flow [2021-03-26 07:52:43,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 24 transitions, 68 flow [2021-03-26 07:52:43,732 INFO L129 PetriNetUnfolder]: 0/24 cut-off events. [2021-03-26 07:52:43,732 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 07:52:43,732 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 24 events. 0/24 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 43 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 07:52:43,733 INFO L142 LiptonReduction]: Number of co-enabled transitions 220 [2021-03-26 07:52:43,773 INFO L154 LiptonReduction]: Checked pairs total: 315 [2021-03-26 07:52:43,773 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 07:52:43,773 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45 [2021-03-26 07:52:43,774 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 22 transitions, 64 flow [2021-03-26 07:52:43,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:43,775 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:43,775 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:43,775 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 07:52:43,775 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:43,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:43,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1834067259, now seen corresponding path program 1 times [2021-03-26 07:52:43,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:43,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131329086] [2021-03-26 07:52:43,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:43,849 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:52:43,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:43,854 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:52:43,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:43,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:43,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:43,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:43,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:43,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:43,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:43,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:43,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:43,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:43,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:43,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:43,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:43,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:43,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:43,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:43,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:43,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:43,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:43,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:43,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:43,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:43,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:43,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:43,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:52:44,046 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:52:44,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:44,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:52:44,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131329086] [2021-03-26 07:52:44,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:52:44,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-26 07:52:44,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824908636] [2021-03-26 07:52:44,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 07:52:44,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:52:44,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 07:52:44,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-03-26 07:52:44,051 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-03-26 07:52:44,051 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 22 transitions, 64 flow. Second operand has 14 states, 14 states have (on average 27.142857142857142) internal successors, (380), 14 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:44,051 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:52:44,051 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-03-26 07:52:44,051 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:52:44,730 INFO L129 PetriNetUnfolder]: 633/1002 cut-off events. [2021-03-26 07:52:44,730 INFO L130 PetriNetUnfolder]: For 163/163 co-relation queries the response was YES. [2021-03-26 07:52:44,732 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2302 conditions, 1002 events. 633/1002 cut-off events. For 163/163 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 4306 event pairs, 328 based on Foata normal form. 2/1001 useless extension candidates. Maximal degree in co-relation 2250. Up to 746 conditions per place. [2021-03-26 07:52:44,736 INFO L132 encePairwiseOnDemand]: 48/62 looper letters, 38 selfloop transitions, 62 changer transitions 3/111 dead transitions. [2021-03-26 07:52:44,736 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 111 transitions, 501 flow [2021-03-26 07:52:44,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-26 07:52:44,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-26 07:52:44,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 651 transitions. [2021-03-26 07:52:44,739 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5 [2021-03-26 07:52:44,739 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 651 transitions. [2021-03-26 07:52:44,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 651 transitions. [2021-03-26 07:52:44,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:52:44,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 651 transitions. [2021-03-26 07:52:44,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 31.0) internal successors, (651), 21 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:44,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 62.0) internal successors, (1364), 22 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:44,744 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 62.0) internal successors, (1364), 22 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:44,744 INFO L185 Difference]: Start difference. First operand has 31 places, 22 transitions, 64 flow. Second operand 21 states and 651 transitions. [2021-03-26 07:52:44,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 111 transitions, 501 flow [2021-03-26 07:52:44,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 111 transitions, 477 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 07:52:44,746 INFO L241 Difference]: Finished difference. Result has 57 places, 83 transitions, 413 flow [2021-03-26 07:52:44,746 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=413, PETRI_PLACES=57, PETRI_TRANSITIONS=83} [2021-03-26 07:52:44,747 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 18 predicate places. [2021-03-26 07:52:44,747 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:44,747 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 83 transitions, 413 flow [2021-03-26 07:52:44,747 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 83 transitions, 413 flow [2021-03-26 07:52:44,748 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 83 transitions, 413 flow [2021-03-26 07:52:44,765 INFO L129 PetriNetUnfolder]: 201/406 cut-off events. [2021-03-26 07:52:44,766 INFO L130 PetriNetUnfolder]: For 122/122 co-relation queries the response was YES. [2021-03-26 07:52:44,766 INFO L84 FinitePrefix]: Finished finitePrefix Result has 996 conditions, 406 events. 201/406 cut-off events. For 122/122 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2013 event pairs, 37 based on Foata normal form. 0/389 useless extension candidates. Maximal degree in co-relation 932. Up to 283 conditions per place. [2021-03-26 07:52:44,769 INFO L142 LiptonReduction]: Number of co-enabled transitions 330 [2021-03-26 07:52:44,860 INFO L154 LiptonReduction]: Checked pairs total: 7 [2021-03-26 07:52:44,860 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 07:52:44,861 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 114 [2021-03-26 07:52:44,861 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 83 transitions, 418 flow [2021-03-26 07:52:44,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.142857142857142) internal successors, (380), 14 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:44,862 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:44,862 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:44,862 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 07:52:44,862 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:44,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:44,862 INFO L82 PathProgramCache]: Analyzing trace with hash -702267876, now seen corresponding path program 1 times [2021-03-26 07:52:44,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:44,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42678368] [2021-03-26 07:52:44,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:44,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:44,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-26 07:52:44,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:44,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:52:44,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:52:44,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42678368] [2021-03-26 07:52:44,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:52:44,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 07:52:44,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859357250] [2021-03-26 07:52:44,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 07:52:44,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:52:44,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 07:52:44,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 07:52:44,879 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 66 [2021-03-26 07:52:44,879 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 83 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:44,879 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:52:44,879 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 66 [2021-03-26 07:52:44,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:52:44,903 INFO L129 PetriNetUnfolder]: 148/315 cut-off events. [2021-03-26 07:52:44,903 INFO L130 PetriNetUnfolder]: For 313/313 co-relation queries the response was YES. [2021-03-26 07:52:44,904 INFO L84 FinitePrefix]: Finished finitePrefix Result has 882 conditions, 315 events. 148/315 cut-off events. For 313/313 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1475 event pairs, 42 based on Foata normal form. 11/318 useless extension candidates. Maximal degree in co-relation 866. Up to 213 conditions per place. [2021-03-26 07:52:44,905 INFO L132 encePairwiseOnDemand]: 61/66 looper letters, 4 selfloop transitions, 14 changer transitions 0/68 dead transitions. [2021-03-26 07:52:44,905 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 68 transitions, 369 flow [2021-03-26 07:52:44,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 07:52:44,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 07:52:44,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 172 transitions. [2021-03-26 07:52:44,906 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8686868686868687 [2021-03-26 07:52:44,906 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 172 transitions. [2021-03-26 07:52:44,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 172 transitions. [2021-03-26 07:52:44,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:52:44,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 172 transitions. [2021-03-26 07:52:44,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:44,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 66.0) internal successors, (264), 4 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:44,908 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 66.0) internal successors, (264), 4 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:44,908 INFO L185 Difference]: Start difference. First operand has 55 places, 83 transitions, 418 flow. Second operand 3 states and 172 transitions. [2021-03-26 07:52:44,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 68 transitions, 369 flow [2021-03-26 07:52:44,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 68 transitions, 355 flow, removed 7 selfloop flow, removed 2 redundant places. [2021-03-26 07:52:44,911 INFO L241 Difference]: Finished difference. Result has 53 places, 68 transitions, 365 flow [2021-03-26 07:52:44,911 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=319, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=365, PETRI_PLACES=53, PETRI_TRANSITIONS=68} [2021-03-26 07:52:44,911 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 14 predicate places. [2021-03-26 07:52:44,911 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:44,911 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 68 transitions, 365 flow [2021-03-26 07:52:44,912 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 68 transitions, 365 flow [2021-03-26 07:52:44,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 68 transitions, 365 flow [2021-03-26 07:52:44,923 INFO L129 PetriNetUnfolder]: 131/278 cut-off events. [2021-03-26 07:52:44,923 INFO L130 PetriNetUnfolder]: For 108/108 co-relation queries the response was YES. [2021-03-26 07:52:44,924 INFO L84 FinitePrefix]: Finished finitePrefix Result has 761 conditions, 278 events. 131/278 cut-off events. For 108/108 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1304 event pairs, 22 based on Foata normal form. 0/258 useless extension candidates. Maximal degree in co-relation 712. Up to 195 conditions per place. [2021-03-26 07:52:44,925 INFO L142 LiptonReduction]: Number of co-enabled transitions 232 [2021-03-26 07:52:44,930 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:52:44,930 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:52:44,930 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19 [2021-03-26 07:52:44,931 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 68 transitions, 365 flow [2021-03-26 07:52:44,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:44,931 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:44,931 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:44,931 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 07:52:44,932 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:44,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:44,932 INFO L82 PathProgramCache]: Analyzing trace with hash 406739176, now seen corresponding path program 1 times [2021-03-26 07:52:44,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:44,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153098143] [2021-03-26 07:52:44,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:44,965 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:52:44,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:44,969 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:52:44,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:44,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:44,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:44,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:44,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:44,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:44,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:45,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:45,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:45,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:45,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:45,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:45,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:45,018 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:52:45,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:45,022 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:52:45,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:45,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:52:45,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153098143] [2021-03-26 07:52:45,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:52:45,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 07:52:45,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856200362] [2021-03-26 07:52:45,025 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 07:52:45,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:52:45,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 07:52:45,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-03-26 07:52:45,026 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 66 [2021-03-26 07:52:45,026 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 68 transitions, 365 flow. Second operand has 8 states, 8 states have (on average 27.375) internal successors, (219), 8 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:45,026 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:52:45,026 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 66 [2021-03-26 07:52:45,026 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:52:45,199 INFO L129 PetriNetUnfolder]: 375/656 cut-off events. [2021-03-26 07:52:45,199 INFO L130 PetriNetUnfolder]: For 595/602 co-relation queries the response was YES. [2021-03-26 07:52:45,201 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2314 conditions, 656 events. 375/656 cut-off events. For 595/602 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2984 event pairs, 124 based on Foata normal form. 6/656 useless extension candidates. Maximal degree in co-relation 2233. Up to 515 conditions per place. [2021-03-26 07:52:45,204 INFO L132 encePairwiseOnDemand]: 52/66 looper letters, 40 selfloop transitions, 33 changer transitions 2/83 dead transitions. [2021-03-26 07:52:45,204 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 83 transitions, 594 flow [2021-03-26 07:52:45,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 07:52:45,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 07:52:45,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 285 transitions. [2021-03-26 07:52:45,205 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4797979797979798 [2021-03-26 07:52:45,205 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 285 transitions. [2021-03-26 07:52:45,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 285 transitions. [2021-03-26 07:52:45,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:52:45,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 285 transitions. [2021-03-26 07:52:45,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 31.666666666666668) internal successors, (285), 9 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:45,207 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 66.0) internal successors, (660), 10 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:45,207 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 66.0) internal successors, (660), 10 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:45,207 INFO L185 Difference]: Start difference. First operand has 53 places, 68 transitions, 365 flow. Second operand 9 states and 285 transitions. [2021-03-26 07:52:45,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 83 transitions, 594 flow [2021-03-26 07:52:45,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 83 transitions, 553 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-26 07:52:45,211 INFO L241 Difference]: Finished difference. Result has 62 places, 73 transitions, 471 flow [2021-03-26 07:52:45,211 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=331, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=471, PETRI_PLACES=62, PETRI_TRANSITIONS=73} [2021-03-26 07:52:45,211 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 23 predicate places. [2021-03-26 07:52:45,211 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:45,212 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 73 transitions, 471 flow [2021-03-26 07:52:45,212 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 73 transitions, 471 flow [2021-03-26 07:52:45,212 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 73 transitions, 471 flow [2021-03-26 07:52:45,222 INFO L129 PetriNetUnfolder]: 114/259 cut-off events. [2021-03-26 07:52:45,223 INFO L130 PetriNetUnfolder]: For 119/119 co-relation queries the response was YES. [2021-03-26 07:52:45,223 INFO L84 FinitePrefix]: Finished finitePrefix Result has 773 conditions, 259 events. 114/259 cut-off events. For 119/119 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1247 event pairs, 23 based on Foata normal form. 0/255 useless extension candidates. Maximal degree in co-relation 719. Up to 176 conditions per place. [2021-03-26 07:52:45,225 INFO L142 LiptonReduction]: Number of co-enabled transitions 238 [2021-03-26 07:52:45,230 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:52:45,230 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:52:45,230 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19 [2021-03-26 07:52:45,231 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 73 transitions, 471 flow [2021-03-26 07:52:45,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 27.375) internal successors, (219), 8 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:45,231 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:45,231 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:45,231 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 07:52:45,231 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:45,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:45,231 INFO L82 PathProgramCache]: Analyzing trace with hash -758681222, now seen corresponding path program 2 times [2021-03-26 07:52:45,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:45,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147063075] [2021-03-26 07:52:45,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:45,268 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:52:45,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:45,274 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:52:45,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:45,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:45,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:45,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:45,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:45,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:45,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:45,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:45,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:45,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:45,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:45,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:45,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:45,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:45,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:52:45,341 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:52:45,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:45,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:52:45,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147063075] [2021-03-26 07:52:45,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:52:45,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 07:52:45,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569701194] [2021-03-26 07:52:45,350 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 07:52:45,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:52:45,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 07:52:45,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 07:52:45,351 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 66 [2021-03-26 07:52:45,351 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 73 transitions, 471 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:45,351 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:52:45,351 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 66 [2021-03-26 07:52:45,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:52:45,539 INFO L129 PetriNetUnfolder]: 374/654 cut-off events. [2021-03-26 07:52:45,540 INFO L130 PetriNetUnfolder]: For 679/690 co-relation queries the response was YES. [2021-03-26 07:52:45,541 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2416 conditions, 654 events. 374/654 cut-off events. For 679/690 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2957 event pairs, 125 based on Foata normal form. 8/660 useless extension candidates. Maximal degree in co-relation 2331. Up to 513 conditions per place. [2021-03-26 07:52:45,544 INFO L132 encePairwiseOnDemand]: 52/66 looper letters, 39 selfloop transitions, 29 changer transitions 5/81 dead transitions. [2021-03-26 07:52:45,544 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 81 transitions, 649 flow [2021-03-26 07:52:45,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 07:52:45,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 07:52:45,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 310 transitions. [2021-03-26 07:52:45,545 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4696969696969697 [2021-03-26 07:52:45,545 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 310 transitions. [2021-03-26 07:52:45,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 310 transitions. [2021-03-26 07:52:45,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:52:45,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 310 transitions. [2021-03-26 07:52:45,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 31.0) internal successors, (310), 10 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:45,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 66.0) internal successors, (726), 11 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:45,547 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 66.0) internal successors, (726), 11 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:45,547 INFO L185 Difference]: Start difference. First operand has 61 places, 73 transitions, 471 flow. Second operand 10 states and 310 transitions. [2021-03-26 07:52:45,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 81 transitions, 649 flow [2021-03-26 07:52:45,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 81 transitions, 593 flow, removed 2 selfloop flow, removed 6 redundant places. [2021-03-26 07:52:45,553 INFO L241 Difference]: Finished difference. Result has 65 places, 68 transitions, 438 flow [2021-03-26 07:52:45,553 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=415, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=438, PETRI_PLACES=65, PETRI_TRANSITIONS=68} [2021-03-26 07:52:45,553 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 26 predicate places. [2021-03-26 07:52:45,554 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:45,554 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 68 transitions, 438 flow [2021-03-26 07:52:45,554 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 68 transitions, 438 flow [2021-03-26 07:52:45,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 68 transitions, 438 flow [2021-03-26 07:52:45,572 INFO L129 PetriNetUnfolder]: 129/275 cut-off events. [2021-03-26 07:52:45,572 INFO L130 PetriNetUnfolder]: For 92/92 co-relation queries the response was YES. [2021-03-26 07:52:45,573 INFO L84 FinitePrefix]: Finished finitePrefix Result has 767 conditions, 275 events. 129/275 cut-off events. For 92/92 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1306 event pairs, 20 based on Foata normal form. 0/266 useless extension candidates. Maximal degree in co-relation 751. Up to 192 conditions per place. [2021-03-26 07:52:45,574 INFO L142 LiptonReduction]: Number of co-enabled transitions 238 [2021-03-26 07:52:45,814 INFO L154 LiptonReduction]: Checked pairs total: 63 [2021-03-26 07:52:45,815 INFO L156 LiptonReduction]: Total number of compositions: 9 [2021-03-26 07:52:45,815 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 262 [2021-03-26 07:52:45,815 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 68 transitions, 456 flow [2021-03-26 07:52:45,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:45,816 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:45,816 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:45,816 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 07:52:45,816 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:45,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:45,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1486281203, now seen corresponding path program 1 times [2021-03-26 07:52:45,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:45,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074024490] [2021-03-26 07:52:45,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:45,836 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:52:45,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:45,841 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:52:45,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:45,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:45,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:45,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:45,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:52:45,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:45,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:45,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:45,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:45,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:45,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:45,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:45,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:45,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:45,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:45,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:45,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:52:45,932 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:52:45,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:45,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:52:45,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074024490] [2021-03-26 07:52:45,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:52:45,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:52:45,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45085010] [2021-03-26 07:52:45,935 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:52:45,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:52:45,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:52:45,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:52:45,936 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 75 [2021-03-26 07:52:45,936 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 68 transitions, 456 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:45,936 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:52:45,936 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 75 [2021-03-26 07:52:45,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:52:46,277 INFO L129 PetriNetUnfolder]: 463/793 cut-off events. [2021-03-26 07:52:46,277 INFO L130 PetriNetUnfolder]: For 707/718 co-relation queries the response was YES. [2021-03-26 07:52:46,279 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2932 conditions, 793 events. 463/793 cut-off events. For 707/718 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3695 event pairs, 171 based on Foata normal form. 7/799 useless extension candidates. Maximal degree in co-relation 2914. Up to 630 conditions per place. [2021-03-26 07:52:46,282 INFO L132 encePairwiseOnDemand]: 60/75 looper letters, 77 selfloop transitions, 49 changer transitions 3/137 dead transitions. [2021-03-26 07:52:46,282 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 137 transitions, 1132 flow [2021-03-26 07:52:46,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:52:46,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:52:46,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 442 transitions. [2021-03-26 07:52:46,284 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42095238095238097 [2021-03-26 07:52:46,284 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 442 transitions. [2021-03-26 07:52:46,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 442 transitions. [2021-03-26 07:52:46,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:52:46,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 442 transitions. [2021-03-26 07:52:46,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.571428571428573) internal successors, (442), 14 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:46,286 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 75.0) internal successors, (1125), 15 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:46,286 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 75.0) internal successors, (1125), 15 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:46,286 INFO L185 Difference]: Start difference. First operand has 59 places, 68 transitions, 456 flow. Second operand 14 states and 442 transitions. [2021-03-26 07:52:46,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 137 transitions, 1132 flow [2021-03-26 07:52:46,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 137 transitions, 984 flow, removed 13 selfloop flow, removed 8 redundant places. [2021-03-26 07:52:46,291 INFO L241 Difference]: Finished difference. Result has 76 places, 109 transitions, 829 flow [2021-03-26 07:52:46,291 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=829, PETRI_PLACES=76, PETRI_TRANSITIONS=109} [2021-03-26 07:52:46,291 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 37 predicate places. [2021-03-26 07:52:46,292 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:46,292 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 109 transitions, 829 flow [2021-03-26 07:52:46,292 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 109 transitions, 829 flow [2021-03-26 07:52:46,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 109 transitions, 829 flow [2021-03-26 07:52:46,311 INFO L129 PetriNetUnfolder]: 202/421 cut-off events. [2021-03-26 07:52:46,311 INFO L130 PetriNetUnfolder]: For 530/548 co-relation queries the response was YES. [2021-03-26 07:52:46,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1593 conditions, 421 events. 202/421 cut-off events. For 530/548 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2249 event pairs, 20 based on Foata normal form. 2/402 useless extension candidates. Maximal degree in co-relation 1567. Up to 290 conditions per place. [2021-03-26 07:52:46,315 INFO L142 LiptonReduction]: Number of co-enabled transitions 338 [2021-03-26 07:52:46,370 INFO L154 LiptonReduction]: Checked pairs total: 19 [2021-03-26 07:52:46,370 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 07:52:46,370 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 78 [2021-03-26 07:52:46,371 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 109 transitions, 837 flow [2021-03-26 07:52:46,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:46,371 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:46,371 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:46,371 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 07:52:46,372 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:46,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:46,372 INFO L82 PathProgramCache]: Analyzing trace with hash 438468170, now seen corresponding path program 1 times [2021-03-26 07:52:46,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:46,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821724303] [2021-03-26 07:52:46,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:46,391 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:52:46,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:46,396 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:52:46,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:46,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:46,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:46,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:46,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:52:46,420 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:52:46,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:52:46,439 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:52:46,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:52:46,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:46,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:46,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:46,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:46,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:46,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:46,493 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:52:46,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:46,507 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:52:46,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:46,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:52:46,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821724303] [2021-03-26 07:52:46,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:52:46,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:52:46,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271099035] [2021-03-26 07:52:46,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:52:46,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:52:46,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:52:46,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:52:46,510 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 77 [2021-03-26 07:52:46,511 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 109 transitions, 837 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:46,511 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:52:46,511 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 77 [2021-03-26 07:52:46,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:52:47,030 INFO L129 PetriNetUnfolder]: 573/962 cut-off events. [2021-03-26 07:52:47,030 INFO L130 PetriNetUnfolder]: For 2018/2031 co-relation queries the response was YES. [2021-03-26 07:52:47,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4285 conditions, 962 events. 573/962 cut-off events. For 2018/2031 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4627 event pairs, 130 based on Foata normal form. 12/973 useless extension candidates. Maximal degree in co-relation 4257. Up to 715 conditions per place. [2021-03-26 07:52:47,036 INFO L132 encePairwiseOnDemand]: 60/77 looper letters, 99 selfloop transitions, 84 changer transitions 2/193 dead transitions. [2021-03-26 07:52:47,036 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 193 transitions, 1787 flow [2021-03-26 07:52:47,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 07:52:47,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 07:52:47,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 606 transitions. [2021-03-26 07:52:47,038 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41421736158578265 [2021-03-26 07:52:47,038 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 606 transitions. [2021-03-26 07:52:47,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 606 transitions. [2021-03-26 07:52:47,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:52:47,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 606 transitions. [2021-03-26 07:52:47,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 31.894736842105264) internal successors, (606), 19 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:47,041 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 77.0) internal successors, (1540), 20 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:47,041 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 77.0) internal successors, (1540), 20 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:47,041 INFO L185 Difference]: Start difference. First operand has 73 places, 109 transitions, 837 flow. Second operand 19 states and 606 transitions. [2021-03-26 07:52:47,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 193 transitions, 1787 flow [2021-03-26 07:52:47,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 193 transitions, 1741 flow, removed 23 selfloop flow, removed 2 redundant places. [2021-03-26 07:52:47,050 INFO L241 Difference]: Finished difference. Result has 98 places, 164 transitions, 1479 flow [2021-03-26 07:52:47,050 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=815, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1479, PETRI_PLACES=98, PETRI_TRANSITIONS=164} [2021-03-26 07:52:47,051 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 59 predicate places. [2021-03-26 07:52:47,051 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:47,051 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 164 transitions, 1479 flow [2021-03-26 07:52:47,051 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 164 transitions, 1479 flow [2021-03-26 07:52:47,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 164 transitions, 1479 flow [2021-03-26 07:52:47,084 INFO L129 PetriNetUnfolder]: 285/566 cut-off events. [2021-03-26 07:52:47,084 INFO L130 PetriNetUnfolder]: For 3582/3722 co-relation queries the response was YES. [2021-03-26 07:52:47,086 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2899 conditions, 566 events. 285/566 cut-off events. For 3582/3722 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3046 event pairs, 31 based on Foata normal form. 10/545 useless extension candidates. Maximal degree in co-relation 2807. Up to 387 conditions per place. [2021-03-26 07:52:47,089 INFO L142 LiptonReduction]: Number of co-enabled transitions 468 [2021-03-26 07:52:47,179 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-26 07:52:47,179 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 07:52:47,179 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 128 [2021-03-26 07:52:47,180 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 164 transitions, 1493 flow [2021-03-26 07:52:47,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:47,180 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:47,180 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:47,180 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 07:52:47,180 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:47,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:47,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1230996154, now seen corresponding path program 1 times [2021-03-26 07:52:47,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:47,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186251267] [2021-03-26 07:52:47,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:47,213 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:52:47,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:47,219 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:52:47,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:47,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:47,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:47,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:47,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:52:47,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:47,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:47,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:47,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:47,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:47,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:47,277 INFO L142 QuantifierPusher]: treesize reduction 27, result has 43.8 percent of original size [2021-03-26 07:52:47,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:47,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:47,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:52:47,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:47,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:47,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:52:47,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186251267] [2021-03-26 07:52:47,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:52:47,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:52:47,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647725553] [2021-03-26 07:52:47,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:52:47,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:52:47,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:52:47,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:52:47,307 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 81 [2021-03-26 07:52:47,308 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 164 transitions, 1493 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:47,308 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:52:47,308 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 81 [2021-03-26 07:52:47,308 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:52:47,930 INFO L129 PetriNetUnfolder]: 657/1106 cut-off events. [2021-03-26 07:52:47,930 INFO L130 PetriNetUnfolder]: For 6173/6177 co-relation queries the response was YES. [2021-03-26 07:52:47,936 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6274 conditions, 1106 events. 657/1106 cut-off events. For 6173/6177 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 5621 event pairs, 111 based on Foata normal form. 5/1110 useless extension candidates. Maximal degree in co-relation 6158. Up to 773 conditions per place. [2021-03-26 07:52:47,944 INFO L132 encePairwiseOnDemand]: 64/81 looper letters, 123 selfloop transitions, 116 changer transitions 2/249 dead transitions. [2021-03-26 07:52:47,944 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 249 transitions, 2780 flow [2021-03-26 07:52:47,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 07:52:47,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 07:52:47,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 553 transitions. [2021-03-26 07:52:47,946 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40159767610748004 [2021-03-26 07:52:47,946 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 553 transitions. [2021-03-26 07:52:47,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 553 transitions. [2021-03-26 07:52:47,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:52:47,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 553 transitions. [2021-03-26 07:52:47,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.529411764705884) internal successors, (553), 17 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:47,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 81.0) internal successors, (1458), 18 states have internal predecessors, (1458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:47,950 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 81.0) internal successors, (1458), 18 states have internal predecessors, (1458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:47,950 INFO L185 Difference]: Start difference. First operand has 97 places, 164 transitions, 1493 flow. Second operand 17 states and 553 transitions. [2021-03-26 07:52:47,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 249 transitions, 2780 flow [2021-03-26 07:52:47,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 249 transitions, 2571 flow, removed 99 selfloop flow, removed 1 redundant places. [2021-03-26 07:52:47,992 INFO L241 Difference]: Finished difference. Result has 119 places, 217 transitions, 2179 flow [2021-03-26 07:52:47,993 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=1308, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=2179, PETRI_PLACES=119, PETRI_TRANSITIONS=217} [2021-03-26 07:52:47,993 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 80 predicate places. [2021-03-26 07:52:47,993 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:47,993 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 217 transitions, 2179 flow [2021-03-26 07:52:47,993 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 217 transitions, 2179 flow [2021-03-26 07:52:47,995 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 118 places, 217 transitions, 2179 flow [2021-03-26 07:52:48,052 INFO L129 PetriNetUnfolder]: 333/639 cut-off events. [2021-03-26 07:52:48,053 INFO L130 PetriNetUnfolder]: For 4810/4933 co-relation queries the response was YES. [2021-03-26 07:52:48,056 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3837 conditions, 639 events. 333/639 cut-off events. For 4810/4933 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3443 event pairs, 36 based on Foata normal form. 22/629 useless extension candidates. Maximal degree in co-relation 3744. Up to 404 conditions per place. [2021-03-26 07:52:48,063 INFO L142 LiptonReduction]: Number of co-enabled transitions 540 [2021-03-26 07:52:48,081 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 07:52:48,082 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:52:48,082 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 89 [2021-03-26 07:52:48,083 INFO L480 AbstractCegarLoop]: Abstraction has has 118 places, 217 transitions, 2179 flow [2021-03-26 07:52:48,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:48,083 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:48,083 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:48,083 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 07:52:48,083 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:48,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:48,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1661452161, now seen corresponding path program 1 times [2021-03-26 07:52:48,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:48,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208150699] [2021-03-26 07:52:48,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:48,117 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:52:48,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:48,123 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:52:48,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:48,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:48,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:48,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:48,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:52:48,153 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:52:48,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:52:48,176 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:52:48,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:52:48,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:48,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:48,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:48,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:48,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:48,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:52:48,256 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:52:48,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:48,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:52:48,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208150699] [2021-03-26 07:52:48,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:52:48,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:52:48,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468019577] [2021-03-26 07:52:48,259 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:52:48,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:52:48,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:52:48,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:52:48,260 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 81 [2021-03-26 07:52:48,260 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 217 transitions, 2179 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:48,260 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:52:48,260 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 81 [2021-03-26 07:52:48,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:52:48,775 INFO L129 PetriNetUnfolder]: 666/1131 cut-off events. [2021-03-26 07:52:48,776 INFO L130 PetriNetUnfolder]: For 8503/8514 co-relation queries the response was YES. [2021-03-26 07:52:48,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7048 conditions, 1131 events. 666/1131 cut-off events. For 8503/8514 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 5822 event pairs, 211 based on Foata normal form. 12/1142 useless extension candidates. Maximal degree in co-relation 6918. Up to 932 conditions per place. [2021-03-26 07:52:48,788 INFO L132 encePairwiseOnDemand]: 62/81 looper letters, 180 selfloop transitions, 69 changer transitions 1/258 dead transitions. [2021-03-26 07:52:48,788 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 258 transitions, 3066 flow [2021-03-26 07:52:48,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:52:48,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:52:48,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 455 transitions. [2021-03-26 07:52:48,805 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4012345679012346 [2021-03-26 07:52:48,805 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 455 transitions. [2021-03-26 07:52:48,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 455 transitions. [2021-03-26 07:52:48,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:52:48,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 455 transitions. [2021-03-26 07:52:48,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.5) internal successors, (455), 14 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:48,807 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 81.0) internal successors, (1215), 15 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:48,807 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 81.0) internal successors, (1215), 15 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:48,807 INFO L185 Difference]: Start difference. First operand has 118 places, 217 transitions, 2179 flow. Second operand 14 states and 455 transitions. [2021-03-26 07:52:48,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 258 transitions, 3066 flow [2021-03-26 07:52:48,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 258 transitions, 2892 flow, removed 87 selfloop flow, removed 0 redundant places. [2021-03-26 07:52:48,869 INFO L241 Difference]: Finished difference. Result has 136 places, 228 transitions, 2287 flow [2021-03-26 07:52:48,870 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=2035, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2287, PETRI_PLACES=136, PETRI_TRANSITIONS=228} [2021-03-26 07:52:48,870 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 97 predicate places. [2021-03-26 07:52:48,870 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:48,870 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 136 places, 228 transitions, 2287 flow [2021-03-26 07:52:48,870 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 136 places, 228 transitions, 2287 flow [2021-03-26 07:52:48,871 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 135 places, 228 transitions, 2287 flow [2021-03-26 07:52:48,972 INFO L129 PetriNetUnfolder]: 339/670 cut-off events. [2021-03-26 07:52:48,972 INFO L130 PetriNetUnfolder]: For 5050/5216 co-relation queries the response was YES. [2021-03-26 07:52:48,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3965 conditions, 670 events. 339/670 cut-off events. For 5050/5216 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 3781 event pairs, 44 based on Foata normal form. 17/652 useless extension candidates. Maximal degree in co-relation 3915. Up to 392 conditions per place. [2021-03-26 07:52:48,987 INFO L142 LiptonReduction]: Number of co-enabled transitions 556 [2021-03-26 07:52:49,010 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 07:52:49,011 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:52:49,011 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 141 [2021-03-26 07:52:49,016 INFO L480 AbstractCegarLoop]: Abstraction has has 135 places, 228 transitions, 2287 flow [2021-03-26 07:52:49,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:49,016 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:49,016 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:49,016 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 07:52:49,016 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:49,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:49,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1131473911, now seen corresponding path program 2 times [2021-03-26 07:52:49,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:49,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730394499] [2021-03-26 07:52:49,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:49,032 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:52:49,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:49,036 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:52:49,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:49,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:49,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:49,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:49,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:52:49,060 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:52:49,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:52:49,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:49,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:49,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:49,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:49,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:49,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:49,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:49,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:52:49,125 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:52:49,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:49,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:52:49,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730394499] [2021-03-26 07:52:49,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:52:49,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:52:49,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479259299] [2021-03-26 07:52:49,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:52:49,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:52:49,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:52:49,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:52:49,130 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 81 [2021-03-26 07:52:49,130 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 228 transitions, 2287 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:49,130 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:52:49,130 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 81 [2021-03-26 07:52:49,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:52:49,544 INFO L129 PetriNetUnfolder]: 664/1135 cut-off events. [2021-03-26 07:52:49,544 INFO L130 PetriNetUnfolder]: For 8036/8051 co-relation queries the response was YES. [2021-03-26 07:52:49,548 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7068 conditions, 1135 events. 664/1135 cut-off events. For 8036/8051 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 5841 event pairs, 137 based on Foata normal form. 14/1148 useless extension candidates. Maximal degree in co-relation 7012. Up to 867 conditions per place. [2021-03-26 07:52:49,554 INFO L132 encePairwiseOnDemand]: 61/81 looper letters, 155 selfloop transitions, 91 changer transitions 4/258 dead transitions. [2021-03-26 07:52:49,554 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 258 transitions, 3046 flow [2021-03-26 07:52:49,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:52:49,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:52:49,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 490 transitions. [2021-03-26 07:52:49,555 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40329218106995884 [2021-03-26 07:52:49,555 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 490 transitions. [2021-03-26 07:52:49,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 490 transitions. [2021-03-26 07:52:49,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:52:49,556 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 490 transitions. [2021-03-26 07:52:49,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.666666666666664) internal successors, (490), 15 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:49,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 81.0) internal successors, (1296), 16 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:49,558 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 81.0) internal successors, (1296), 16 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:49,558 INFO L185 Difference]: Start difference. First operand has 135 places, 228 transitions, 2287 flow. Second operand 15 states and 490 transitions. [2021-03-26 07:52:49,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 258 transitions, 3046 flow [2021-03-26 07:52:49,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 258 transitions, 2923 flow, removed 4 selfloop flow, removed 9 redundant places. [2021-03-26 07:52:49,587 INFO L241 Difference]: Finished difference. Result has 143 places, 228 transitions, 2358 flow [2021-03-26 07:52:49,588 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=2168, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2358, PETRI_PLACES=143, PETRI_TRANSITIONS=228} [2021-03-26 07:52:49,588 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 104 predicate places. [2021-03-26 07:52:49,588 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:49,588 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 228 transitions, 2358 flow [2021-03-26 07:52:49,588 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 228 transitions, 2358 flow [2021-03-26 07:52:49,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 141 places, 228 transitions, 2358 flow [2021-03-26 07:52:49,627 INFO L129 PetriNetUnfolder]: 332/658 cut-off events. [2021-03-26 07:52:49,627 INFO L130 PetriNetUnfolder]: For 4773/4909 co-relation queries the response was YES. [2021-03-26 07:52:49,629 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3939 conditions, 658 events. 332/658 cut-off events. For 4773/4909 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3660 event pairs, 40 based on Foata normal form. 19/644 useless extension candidates. Maximal degree in co-relation 3885. Up to 388 conditions per place. [2021-03-26 07:52:49,633 INFO L142 LiptonReduction]: Number of co-enabled transitions 550 [2021-03-26 07:52:49,675 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 07:52:49,675 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:52:49,675 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 87 [2021-03-26 07:52:49,676 INFO L480 AbstractCegarLoop]: Abstraction has has 141 places, 228 transitions, 2360 flow [2021-03-26 07:52:49,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:49,676 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:49,676 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:49,676 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 07:52:49,676 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:49,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:49,676 INFO L82 PathProgramCache]: Analyzing trace with hash -457745470, now seen corresponding path program 1 times [2021-03-26 07:52:49,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:49,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025377880] [2021-03-26 07:52:49,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:49,707 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:52:49,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:49,712 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:52:49,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:49,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:49,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:49,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:49,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:52:49,738 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:52:49,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:52:49,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:49,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:49,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:49,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:49,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:49,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:49,806 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:52:49,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:49,814 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:52:49,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:49,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:52:49,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025377880] [2021-03-26 07:52:49,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:52:49,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:52:49,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417482209] [2021-03-26 07:52:49,816 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:52:49,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:52:49,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:52:49,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:52:49,817 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 82 [2021-03-26 07:52:49,817 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 228 transitions, 2360 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:49,817 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:52:49,817 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 82 [2021-03-26 07:52:49,817 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:52:50,188 INFO L129 PetriNetUnfolder]: 663/1130 cut-off events. [2021-03-26 07:52:50,188 INFO L130 PetriNetUnfolder]: For 7873/7888 co-relation queries the response was YES. [2021-03-26 07:52:50,192 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7111 conditions, 1130 events. 663/1130 cut-off events. For 7873/7888 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 5859 event pairs, 104 based on Foata normal form. 14/1143 useless extension candidates. Maximal degree in co-relation 7056. Up to 867 conditions per place. [2021-03-26 07:52:50,198 INFO L132 encePairwiseOnDemand]: 61/82 looper letters, 154 selfloop transitions, 89 changer transitions 2/253 dead transitions. [2021-03-26 07:52:50,199 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 253 transitions, 3075 flow [2021-03-26 07:52:50,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 07:52:50,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 07:52:50,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 381 transitions. [2021-03-26 07:52:50,201 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4223946784922395 [2021-03-26 07:52:50,201 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 381 transitions. [2021-03-26 07:52:50,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 381 transitions. [2021-03-26 07:52:50,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:52:50,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 381 transitions. [2021-03-26 07:52:50,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 34.63636363636363) internal successors, (381), 11 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:50,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 82.0) internal successors, (984), 12 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:50,205 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 82.0) internal successors, (984), 12 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:50,205 INFO L185 Difference]: Start difference. First operand has 141 places, 228 transitions, 2360 flow. Second operand 11 states and 381 transitions. [2021-03-26 07:52:50,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 253 transitions, 3075 flow [2021-03-26 07:52:50,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 253 transitions, 2890 flow, removed 10 selfloop flow, removed 12 redundant places. [2021-03-26 07:52:50,234 INFO L241 Difference]: Finished difference. Result has 140 places, 226 transitions, 2362 flow [2021-03-26 07:52:50,234 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=2175, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2362, PETRI_PLACES=140, PETRI_TRANSITIONS=226} [2021-03-26 07:52:50,234 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 101 predicate places. [2021-03-26 07:52:50,234 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:50,234 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 226 transitions, 2362 flow [2021-03-26 07:52:50,234 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 140 places, 226 transitions, 2362 flow [2021-03-26 07:52:50,235 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 138 places, 226 transitions, 2362 flow [2021-03-26 07:52:50,271 INFO L129 PetriNetUnfolder]: 327/652 cut-off events. [2021-03-26 07:52:50,271 INFO L130 PetriNetUnfolder]: For 4667/4846 co-relation queries the response was YES. [2021-03-26 07:52:50,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3847 conditions, 652 events. 327/652 cut-off events. For 4667/4846 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3653 event pairs, 35 based on Foata normal form. 23/643 useless extension candidates. Maximal degree in co-relation 3771. Up to 376 conditions per place. [2021-03-26 07:52:50,277 INFO L142 LiptonReduction]: Number of co-enabled transitions 544 [2021-03-26 07:52:50,286 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 07:52:50,286 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:52:50,286 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 52 [2021-03-26 07:52:50,288 INFO L480 AbstractCegarLoop]: Abstraction has has 138 places, 226 transitions, 2362 flow [2021-03-26 07:52:50,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:50,288 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:50,288 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:50,288 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 07:52:50,289 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:50,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:50,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1541291027, now seen corresponding path program 1 times [2021-03-26 07:52:50,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:50,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139711109] [2021-03-26 07:52:50,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:50,323 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:52:50,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:50,327 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:52:50,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:50,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:50,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:50,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:50,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:52:50,352 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:52:50,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:52:50,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:50,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:50,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:50,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:50,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:50,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:50,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:50,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:52:50,419 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:52:50,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:50,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:52:50,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139711109] [2021-03-26 07:52:50,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:52:50,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:52:50,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858666199] [2021-03-26 07:52:50,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:52:50,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:52:50,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:52:50,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:52:50,422 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 82 [2021-03-26 07:52:50,423 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 226 transitions, 2362 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:50,423 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:52:50,423 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 82 [2021-03-26 07:52:50,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:52:50,850 INFO L129 PetriNetUnfolder]: 662/1124 cut-off events. [2021-03-26 07:52:50,850 INFO L130 PetriNetUnfolder]: For 8279/8305 co-relation queries the response was YES. [2021-03-26 07:52:50,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7117 conditions, 1124 events. 662/1124 cut-off events. For 8279/8305 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5715 event pairs, 173 based on Foata normal form. 18/1141 useless extension candidates. Maximal degree in co-relation 7034. Up to 866 conditions per place. [2021-03-26 07:52:50,860 INFO L132 encePairwiseOnDemand]: 62/82 looper letters, 155 selfloop transitions, 88 changer transitions 2/253 dead transitions. [2021-03-26 07:52:50,860 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 253 transitions, 3137 flow [2021-03-26 07:52:50,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:52:50,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:52:50,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 431 transitions. [2021-03-26 07:52:50,861 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40431519699812385 [2021-03-26 07:52:50,861 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 431 transitions. [2021-03-26 07:52:50,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 431 transitions. [2021-03-26 07:52:50,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:52:50,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 431 transitions. [2021-03-26 07:52:50,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 33.15384615384615) internal successors, (431), 13 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:50,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 82.0) internal successors, (1148), 14 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:50,863 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 82.0) internal successors, (1148), 14 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:50,863 INFO L185 Difference]: Start difference. First operand has 138 places, 226 transitions, 2362 flow. Second operand 13 states and 431 transitions. [2021-03-26 07:52:50,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 253 transitions, 3137 flow [2021-03-26 07:52:50,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 253 transitions, 2933 flow, removed 1 selfloop flow, removed 12 redundant places. [2021-03-26 07:52:50,890 INFO L241 Difference]: Finished difference. Result has 141 places, 227 transitions, 2373 flow [2021-03-26 07:52:50,890 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=2158, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2373, PETRI_PLACES=141, PETRI_TRANSITIONS=227} [2021-03-26 07:52:50,890 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 102 predicate places. [2021-03-26 07:52:50,891 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:50,891 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 141 places, 227 transitions, 2373 flow [2021-03-26 07:52:50,891 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 141 places, 227 transitions, 2373 flow [2021-03-26 07:52:50,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 139 places, 227 transitions, 2373 flow [2021-03-26 07:52:50,928 INFO L129 PetriNetUnfolder]: 323/646 cut-off events. [2021-03-26 07:52:50,928 INFO L130 PetriNetUnfolder]: For 5486/5658 co-relation queries the response was YES. [2021-03-26 07:52:50,930 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3961 conditions, 646 events. 323/646 cut-off events. For 5486/5658 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3638 event pairs, 42 based on Foata normal form. 14/624 useless extension candidates. Maximal degree in co-relation 3911. Up to 378 conditions per place. [2021-03-26 07:52:50,934 INFO L142 LiptonReduction]: Number of co-enabled transitions 544 [2021-03-26 07:52:50,941 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 07:52:50,942 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:52:50,942 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 51 [2021-03-26 07:52:50,942 INFO L480 AbstractCegarLoop]: Abstraction has has 139 places, 227 transitions, 2373 flow [2021-03-26 07:52:50,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:50,942 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:50,943 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:50,943 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 07:52:50,943 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:50,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:50,943 INFO L82 PathProgramCache]: Analyzing trace with hash -5817103, now seen corresponding path program 2 times [2021-03-26 07:52:50,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:50,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948386883] [2021-03-26 07:52:50,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:50,955 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:52:50,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:50,959 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:52:50,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:50,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:50,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:50,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:50,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:52:50,983 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:52:50,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:52:51,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:51,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:51,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:51,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:51,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:51,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:51,038 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:52:51,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:51,045 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:52:51,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:51,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:52:51,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948386883] [2021-03-26 07:52:51,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:52:51,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:52:51,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922099164] [2021-03-26 07:52:51,048 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:52:51,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:52:51,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:52:51,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:52:51,048 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 82 [2021-03-26 07:52:51,049 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 227 transitions, 2373 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:51,049 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:52:51,049 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 82 [2021-03-26 07:52:51,049 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:52:51,481 INFO L129 PetriNetUnfolder]: 663/1140 cut-off events. [2021-03-26 07:52:51,481 INFO L130 PetriNetUnfolder]: For 8849/8870 co-relation queries the response was YES. [2021-03-26 07:52:51,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7276 conditions, 1140 events. 663/1140 cut-off events. For 8849/8870 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 5933 event pairs, 107 based on Foata normal form. 19/1158 useless extension candidates. Maximal degree in co-relation 7223. Up to 869 conditions per place. [2021-03-26 07:52:51,493 INFO L132 encePairwiseOnDemand]: 62/82 looper letters, 155 selfloop transitions, 94 changer transitions 4/261 dead transitions. [2021-03-26 07:52:51,493 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 261 transitions, 3213 flow [2021-03-26 07:52:51,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:52:51,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:52:51,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 435 transitions. [2021-03-26 07:52:51,509 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4080675422138837 [2021-03-26 07:52:51,509 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 435 transitions. [2021-03-26 07:52:51,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 435 transitions. [2021-03-26 07:52:51,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:52:51,509 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 435 transitions. [2021-03-26 07:52:51,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 33.46153846153846) internal successors, (435), 13 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:51,511 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 82.0) internal successors, (1148), 14 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:51,511 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 82.0) internal successors, (1148), 14 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:51,511 INFO L185 Difference]: Start difference. First operand has 139 places, 227 transitions, 2373 flow. Second operand 13 states and 435 transitions. [2021-03-26 07:52:51,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 261 transitions, 3213 flow [2021-03-26 07:52:51,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 261 transitions, 3005 flow, removed 16 selfloop flow, removed 10 redundant places. [2021-03-26 07:52:51,573 INFO L241 Difference]: Finished difference. Result has 145 places, 233 transitions, 2480 flow [2021-03-26 07:52:51,573 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=2174, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2480, PETRI_PLACES=145, PETRI_TRANSITIONS=233} [2021-03-26 07:52:51,573 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 106 predicate places. [2021-03-26 07:52:51,573 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:51,573 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 145 places, 233 transitions, 2480 flow [2021-03-26 07:52:51,573 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 145 places, 233 transitions, 2480 flow [2021-03-26 07:52:51,575 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 144 places, 233 transitions, 2480 flow [2021-03-26 07:52:51,647 INFO L129 PetriNetUnfolder]: 332/658 cut-off events. [2021-03-26 07:52:51,648 INFO L130 PetriNetUnfolder]: For 5553/5724 co-relation queries the response was YES. [2021-03-26 07:52:51,651 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4120 conditions, 658 events. 332/658 cut-off events. For 5553/5724 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 3700 event pairs, 38 based on Foata normal form. 12/637 useless extension candidates. Maximal degree in co-relation 4038. Up to 382 conditions per place. [2021-03-26 07:52:51,655 INFO L142 LiptonReduction]: Number of co-enabled transitions 550 [2021-03-26 07:52:51,664 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 07:52:51,664 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:52:51,665 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 92 [2021-03-26 07:52:51,668 INFO L480 AbstractCegarLoop]: Abstraction has has 144 places, 233 transitions, 2480 flow [2021-03-26 07:52:51,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:51,668 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:51,668 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:51,668 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 07:52:51,668 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:51,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:51,669 INFO L82 PathProgramCache]: Analyzing trace with hash 685984373, now seen corresponding path program 3 times [2021-03-26 07:52:51,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:51,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630482630] [2021-03-26 07:52:51,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:51,712 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:52:51,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:51,717 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:52:51,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:51,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:51,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:51,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:51,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:52:51,742 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:52:51,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:52:51,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:51,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:51,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:51,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:51,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:51,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:51,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:51,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:52:51,806 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:52:51,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:51,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:52:51,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630482630] [2021-03-26 07:52:51,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:52:51,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:52:51,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786224865] [2021-03-26 07:52:51,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:52:51,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:52:51,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:52:51,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:52:51,809 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 82 [2021-03-26 07:52:51,810 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 233 transitions, 2480 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:51,810 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:52:51,810 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 82 [2021-03-26 07:52:51,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:52:52,248 INFO L129 PetriNetUnfolder]: 662/1133 cut-off events. [2021-03-26 07:52:52,249 INFO L130 PetriNetUnfolder]: For 9341/9356 co-relation queries the response was YES. [2021-03-26 07:52:52,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7430 conditions, 1133 events. 662/1133 cut-off events. For 9341/9356 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 5884 event pairs, 104 based on Foata normal form. 14/1146 useless extension candidates. Maximal degree in co-relation 7341. Up to 869 conditions per place. [2021-03-26 07:52:52,257 INFO L132 encePairwiseOnDemand]: 62/82 looper letters, 157 selfloop transitions, 88 changer transitions 4/257 dead transitions. [2021-03-26 07:52:52,257 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 257 transitions, 3209 flow [2021-03-26 07:52:52,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:52:52,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:52:52,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 429 transitions. [2021-03-26 07:52:52,273 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4024390243902439 [2021-03-26 07:52:52,273 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 429 transitions. [2021-03-26 07:52:52,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 429 transitions. [2021-03-26 07:52:52,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:52:52,273 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 429 transitions. [2021-03-26 07:52:52,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 33.0) internal successors, (429), 13 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:52,274 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 82.0) internal successors, (1148), 14 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:52,275 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 82.0) internal successors, (1148), 14 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:52,275 INFO L185 Difference]: Start difference. First operand has 144 places, 233 transitions, 2480 flow. Second operand 13 states and 429 transitions. [2021-03-26 07:52:52,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 257 transitions, 3209 flow [2021-03-26 07:52:52,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 257 transitions, 2989 flow, removed 22 selfloop flow, removed 10 redundant places. [2021-03-26 07:52:52,321 INFO L241 Difference]: Finished difference. Result has 149 places, 231 transitions, 2430 flow [2021-03-26 07:52:52,322 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=2268, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2430, PETRI_PLACES=149, PETRI_TRANSITIONS=231} [2021-03-26 07:52:52,322 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 110 predicate places. [2021-03-26 07:52:52,322 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:52,322 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 231 transitions, 2430 flow [2021-03-26 07:52:52,322 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 149 places, 231 transitions, 2430 flow [2021-03-26 07:52:52,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 146 places, 231 transitions, 2430 flow [2021-03-26 07:52:52,415 INFO L129 PetriNetUnfolder]: 326/650 cut-off events. [2021-03-26 07:52:52,416 INFO L130 PetriNetUnfolder]: For 5484/5638 co-relation queries the response was YES. [2021-03-26 07:52:52,418 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3980 conditions, 650 events. 326/650 cut-off events. For 5484/5638 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3654 event pairs, 39 based on Foata normal form. 17/630 useless extension candidates. Maximal degree in co-relation 3928. Up to 379 conditions per place. [2021-03-26 07:52:52,422 INFO L142 LiptonReduction]: Number of co-enabled transitions 550 [2021-03-26 07:52:52,448 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 07:52:52,448 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:52:52,448 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 126 [2021-03-26 07:52:52,451 INFO L480 AbstractCegarLoop]: Abstraction has has 146 places, 231 transitions, 2430 flow [2021-03-26 07:52:52,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:52,451 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:52,451 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:52,451 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 07:52:52,451 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:52,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:52,452 INFO L82 PathProgramCache]: Analyzing trace with hash -7006395, now seen corresponding path program 4 times [2021-03-26 07:52:52,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:52,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493688443] [2021-03-26 07:52:52,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:52,495 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:52:52,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:52,499 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:52:52,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:52,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:52,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:52,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:52,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:52:52,522 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:52:52,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:52:52,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:52,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:52,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:52,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:52,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:52,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:52,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:52,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:52:52,584 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:52:52,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:52,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:52:52,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493688443] [2021-03-26 07:52:52,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:52:52,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:52:52,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88662601] [2021-03-26 07:52:52,587 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:52:52,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:52:52,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:52:52,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:52:52,588 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 82 [2021-03-26 07:52:52,588 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 231 transitions, 2430 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:52,588 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:52:52,588 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 82 [2021-03-26 07:52:52,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:52:53,050 INFO L129 PetriNetUnfolder]: 661/1129 cut-off events. [2021-03-26 07:52:53,051 INFO L130 PetriNetUnfolder]: For 8936/8940 co-relation queries the response was YES. [2021-03-26 07:52:53,055 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7228 conditions, 1129 events. 661/1129 cut-off events. For 8936/8940 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5797 event pairs, 143 based on Foata normal form. 5/1133 useless extension candidates. Maximal degree in co-relation 7173. Up to 862 conditions per place. [2021-03-26 07:52:53,058 INFO L132 encePairwiseOnDemand]: 62/82 looper letters, 153 selfloop transitions, 91 changer transitions 3/255 dead transitions. [2021-03-26 07:52:53,058 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 255 transitions, 3153 flow [2021-03-26 07:52:53,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:52:53,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:52:53,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 459 transitions. [2021-03-26 07:52:53,072 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3998257839721254 [2021-03-26 07:52:53,073 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 459 transitions. [2021-03-26 07:52:53,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 459 transitions. [2021-03-26 07:52:53,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:52:53,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 459 transitions. [2021-03-26 07:52:53,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.785714285714285) internal successors, (459), 14 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:53,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 82.0) internal successors, (1230), 15 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:53,075 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 82.0) internal successors, (1230), 15 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:53,075 INFO L185 Difference]: Start difference. First operand has 146 places, 231 transitions, 2430 flow. Second operand 14 states and 459 transitions. [2021-03-26 07:52:53,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 255 transitions, 3153 flow [2021-03-26 07:52:53,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 255 transitions, 2967 flow, removed 3 selfloop flow, removed 13 redundant places. [2021-03-26 07:52:53,125 INFO L241 Difference]: Finished difference. Result has 147 places, 228 transitions, 2403 flow [2021-03-26 07:52:53,125 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=2244, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=91, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2403, PETRI_PLACES=147, PETRI_TRANSITIONS=228} [2021-03-26 07:52:53,143 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 108 predicate places. [2021-03-26 07:52:53,143 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:53,144 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 147 places, 228 transitions, 2403 flow [2021-03-26 07:52:53,144 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 147 places, 228 transitions, 2403 flow [2021-03-26 07:52:53,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 142 places, 228 transitions, 2403 flow [2021-03-26 07:52:53,213 INFO L129 PetriNetUnfolder]: 324/644 cut-off events. [2021-03-26 07:52:53,213 INFO L130 PetriNetUnfolder]: For 5431/5578 co-relation queries the response was YES. [2021-03-26 07:52:53,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3958 conditions, 644 events. 324/644 cut-off events. For 5431/5578 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3571 event pairs, 39 based on Foata normal form. 18/630 useless extension candidates. Maximal degree in co-relation 3908. Up to 377 conditions per place. [2021-03-26 07:52:53,218 INFO L142 LiptonReduction]: Number of co-enabled transitions 550 [2021-03-26 07:52:53,226 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 07:52:53,226 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:52:53,226 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 83 [2021-03-26 07:52:53,244 INFO L480 AbstractCegarLoop]: Abstraction has has 142 places, 228 transitions, 2403 flow [2021-03-26 07:52:53,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:53,244 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:53,244 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:53,244 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 07:52:53,244 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:53,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:53,244 INFO L82 PathProgramCache]: Analyzing trace with hash 72232780, now seen corresponding path program 2 times [2021-03-26 07:52:53,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:53,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807393466] [2021-03-26 07:52:53,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:53,282 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:52:53,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:53,285 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:52:53,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:53,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:53,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:53,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:53,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:52:53,308 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:52:53,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:52:53,326 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:52:53,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:52:53,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:53,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:53,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:53,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:53,368 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:52:53,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:53,381 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:52:53,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:53,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:52:53,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807393466] [2021-03-26 07:52:53,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:52:53,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:52:53,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386025192] [2021-03-26 07:52:53,384 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:52:53,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:52:53,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:52:53,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:52:53,384 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 82 [2021-03-26 07:52:53,384 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 228 transitions, 2403 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:53,384 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:52:53,385 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 82 [2021-03-26 07:52:53,385 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:52:53,815 INFO L129 PetriNetUnfolder]: 660/1123 cut-off events. [2021-03-26 07:52:53,815 INFO L130 PetriNetUnfolder]: For 8865/8887 co-relation queries the response was YES. [2021-03-26 07:52:53,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7210 conditions, 1123 events. 660/1123 cut-off events. For 8865/8887 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5768 event pairs, 103 based on Foata normal form. 21/1143 useless extension candidates. Maximal degree in co-relation 7157. Up to 854 conditions per place. [2021-03-26 07:52:53,823 INFO L132 encePairwiseOnDemand]: 62/82 looper letters, 150 selfloop transitions, 94 changer transitions 2/254 dead transitions. [2021-03-26 07:52:53,823 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 254 transitions, 3181 flow [2021-03-26 07:52:53,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:52:53,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:52:53,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 440 transitions. [2021-03-26 07:52:53,824 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41275797373358347 [2021-03-26 07:52:53,824 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 440 transitions. [2021-03-26 07:52:53,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 440 transitions. [2021-03-26 07:52:53,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:52:53,824 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 440 transitions. [2021-03-26 07:52:53,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 33.84615384615385) internal successors, (440), 13 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:53,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 82.0) internal successors, (1148), 14 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:53,826 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 82.0) internal successors, (1148), 14 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:53,826 INFO L185 Difference]: Start difference. First operand has 142 places, 228 transitions, 2403 flow. Second operand 13 states and 440 transitions. [2021-03-26 07:52:53,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 254 transitions, 3181 flow [2021-03-26 07:52:53,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 254 transitions, 2973 flow, removed 13 selfloop flow, removed 12 redundant places. [2021-03-26 07:52:53,878 INFO L241 Difference]: Finished difference. Result has 143 places, 226 transitions, 2408 flow [2021-03-26 07:52:53,878 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=2209, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2408, PETRI_PLACES=143, PETRI_TRANSITIONS=226} [2021-03-26 07:52:53,892 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 104 predicate places. [2021-03-26 07:52:53,892 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:53,892 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 226 transitions, 2408 flow [2021-03-26 07:52:53,892 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 226 transitions, 2408 flow [2021-03-26 07:52:53,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 143 places, 226 transitions, 2408 flow [2021-03-26 07:52:53,947 INFO L129 PetriNetUnfolder]: 338/658 cut-off events. [2021-03-26 07:52:53,947 INFO L130 PetriNetUnfolder]: For 4826/4986 co-relation queries the response was YES. [2021-03-26 07:52:53,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3995 conditions, 658 events. 338/658 cut-off events. For 4826/4986 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3616 event pairs, 34 based on Foata normal form. 17/637 useless extension candidates. Maximal degree in co-relation 3912. Up to 394 conditions per place. [2021-03-26 07:52:53,953 INFO L142 LiptonReduction]: Number of co-enabled transitions 544 [2021-03-26 07:52:53,961 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 07:52:53,961 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:52:53,961 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 69 [2021-03-26 07:52:53,972 INFO L480 AbstractCegarLoop]: Abstraction has has 143 places, 226 transitions, 2408 flow [2021-03-26 07:52:53,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:53,972 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:53,972 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:53,972 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 07:52:53,972 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:53,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:53,972 INFO L82 PathProgramCache]: Analyzing trace with hash -817297101, now seen corresponding path program 3 times [2021-03-26 07:52:53,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:53,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261699882] [2021-03-26 07:52:53,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:54,010 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:52:54,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:54,014 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:52:54,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:54,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:54,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:54,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:54,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:52:54,040 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:52:54,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:52:54,057 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:52:54,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:52:54,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:54,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:54,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:54,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:54,096 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:52:54,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:54,108 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:52:54,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:54,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:52:54,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261699882] [2021-03-26 07:52:54,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:52:54,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:52:54,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086754149] [2021-03-26 07:52:54,111 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:52:54,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:52:54,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:52:54,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:52:54,111 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 82 [2021-03-26 07:52:54,111 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 226 transitions, 2408 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:54,111 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:52:54,111 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 82 [2021-03-26 07:52:54,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:52:54,537 INFO L129 PetriNetUnfolder]: 660/1116 cut-off events. [2021-03-26 07:52:54,537 INFO L130 PetriNetUnfolder]: For 8262/8277 co-relation queries the response was YES. [2021-03-26 07:52:54,542 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7125 conditions, 1116 events. 660/1116 cut-off events. For 8262/8277 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5718 event pairs, 99 based on Foata normal form. 14/1129 useless extension candidates. Maximal degree in co-relation 7041. Up to 850 conditions per place. [2021-03-26 07:52:54,547 INFO L132 encePairwiseOnDemand]: 63/82 looper letters, 148 selfloop transitions, 93 changer transitions 3/252 dead transitions. [2021-03-26 07:52:54,548 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 252 transitions, 3168 flow [2021-03-26 07:52:54,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:52:54,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:52:54,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 493 transitions. [2021-03-26 07:52:54,549 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4008130081300813 [2021-03-26 07:52:54,549 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 493 transitions. [2021-03-26 07:52:54,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 493 transitions. [2021-03-26 07:52:54,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:52:54,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 493 transitions. [2021-03-26 07:52:54,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.86666666666667) internal successors, (493), 15 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:54,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 82.0) internal successors, (1312), 16 states have internal predecessors, (1312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:54,552 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 82.0) internal successors, (1312), 16 states have internal predecessors, (1312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:54,552 INFO L185 Difference]: Start difference. First operand has 143 places, 226 transitions, 2408 flow. Second operand 15 states and 493 transitions. [2021-03-26 07:52:54,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 252 transitions, 3168 flow [2021-03-26 07:52:54,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 252 transitions, 2956 flow, removed 1 selfloop flow, removed 13 redundant places. [2021-03-26 07:52:54,587 INFO L241 Difference]: Finished difference. Result has 145 places, 223 transitions, 2384 flow [2021-03-26 07:52:54,587 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=2196, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2384, PETRI_PLACES=145, PETRI_TRANSITIONS=223} [2021-03-26 07:52:54,588 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 106 predicate places. [2021-03-26 07:52:54,588 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:54,588 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 145 places, 223 transitions, 2384 flow [2021-03-26 07:52:54,588 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 145 places, 223 transitions, 2384 flow [2021-03-26 07:52:54,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 140 places, 223 transitions, 2384 flow [2021-03-26 07:52:54,635 INFO L129 PetriNetUnfolder]: 328/629 cut-off events. [2021-03-26 07:52:54,635 INFO L130 PetriNetUnfolder]: For 4643/4794 co-relation queries the response was YES. [2021-03-26 07:52:54,638 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3851 conditions, 629 events. 328/629 cut-off events. For 4643/4794 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 3413 event pairs, 49 based on Foata normal form. 21/615 useless extension candidates. Maximal degree in co-relation 3768. Up to 381 conditions per place. [2021-03-26 07:52:54,643 INFO L142 LiptonReduction]: Number of co-enabled transitions 534 [2021-03-26 07:52:54,653 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 07:52:54,653 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:52:54,653 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 65 [2021-03-26 07:52:54,654 INFO L480 AbstractCegarLoop]: Abstraction has has 140 places, 223 transitions, 2384 flow [2021-03-26 07:52:54,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:54,654 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:54,654 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:54,654 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 07:52:54,654 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:54,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:54,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1614033273, now seen corresponding path program 1 times [2021-03-26 07:52:54,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:54,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784447345] [2021-03-26 07:52:54,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:54,692 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:52:54,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:54,696 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:52:54,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:54,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:54,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:54,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:54,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:52:54,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:54,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:54,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:54,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:54,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:54,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:52:54,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:54,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:54,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:54,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:52:54,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:54,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:52:54,780 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:52:54,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:54,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:52:54,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784447345] [2021-03-26 07:52:54,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:52:54,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:52:54,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19429430] [2021-03-26 07:52:54,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:52:54,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:52:54,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:52:54,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:52:54,785 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 82 [2021-03-26 07:52:54,785 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 223 transitions, 2384 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:54,785 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:52:54,785 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 82 [2021-03-26 07:52:54,785 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:52:55,274 INFO L129 PetriNetUnfolder]: 676/1158 cut-off events. [2021-03-26 07:52:55,275 INFO L130 PetriNetUnfolder]: For 8818/8822 co-relation queries the response was YES. [2021-03-26 07:52:55,280 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7434 conditions, 1158 events. 676/1158 cut-off events. For 8818/8822 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 5942 event pairs, 187 based on Foata normal form. 5/1162 useless extension candidates. Maximal degree in co-relation 7350. Up to 961 conditions per place. [2021-03-26 07:52:55,285 INFO L132 encePairwiseOnDemand]: 66/82 looper letters, 200 selfloop transitions, 68 changer transitions 2/278 dead transitions. [2021-03-26 07:52:55,285 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 278 transitions, 3567 flow [2021-03-26 07:52:55,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 07:52:55,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 07:52:55,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 562 transitions. [2021-03-26 07:52:55,286 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3807588075880759 [2021-03-26 07:52:55,287 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 562 transitions. [2021-03-26 07:52:55,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 562 transitions. [2021-03-26 07:52:55,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:52:55,287 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 562 transitions. [2021-03-26 07:52:55,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 31.22222222222222) internal successors, (562), 18 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:55,289 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 82.0) internal successors, (1558), 19 states have internal predecessors, (1558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:55,289 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 82.0) internal successors, (1558), 19 states have internal predecessors, (1558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:55,289 INFO L185 Difference]: Start difference. First operand has 140 places, 223 transitions, 2384 flow. Second operand 18 states and 562 transitions. [2021-03-26 07:52:55,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 278 transitions, 3567 flow [2021-03-26 07:52:55,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 278 transitions, 3337 flow, removed 5 selfloop flow, removed 13 redundant places. [2021-03-26 07:52:55,317 INFO L241 Difference]: Finished difference. Result has 153 places, 248 transitions, 2690 flow [2021-03-26 07:52:55,317 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=2170, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2690, PETRI_PLACES=153, PETRI_TRANSITIONS=248} [2021-03-26 07:52:55,318 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 114 predicate places. [2021-03-26 07:52:55,318 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:55,318 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 248 transitions, 2690 flow [2021-03-26 07:52:55,318 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 248 transitions, 2690 flow [2021-03-26 07:52:55,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 151 places, 248 transitions, 2690 flow [2021-03-26 07:52:55,364 INFO L129 PetriNetUnfolder]: 346/699 cut-off events. [2021-03-26 07:52:55,364 INFO L130 PetriNetUnfolder]: For 7247/7451 co-relation queries the response was YES. [2021-03-26 07:52:55,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4533 conditions, 699 events. 346/699 cut-off events. For 7247/7451 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3992 event pairs, 36 based on Foata normal form. 18/688 useless extension candidates. Maximal degree in co-relation 4474. Up to 407 conditions per place. [2021-03-26 07:52:55,370 INFO L142 LiptonReduction]: Number of co-enabled transitions 544 [2021-03-26 07:52:55,463 INFO L154 LiptonReduction]: Checked pairs total: 8 [2021-03-26 07:52:55,463 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 07:52:55,463 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 145 [2021-03-26 07:52:55,464 INFO L480 AbstractCegarLoop]: Abstraction has has 149 places, 246 transitions, 2692 flow [2021-03-26 07:52:55,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:55,464 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:55,464 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:55,464 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-26 07:52:55,465 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:55,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:55,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1383820038, now seen corresponding path program 2 times [2021-03-26 07:52:55,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:55,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507710702] [2021-03-26 07:52:55,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:55,482 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:52:55,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:55,486 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:52:55,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:55,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:55,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:55,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:55,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:52:55,507 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:52:55,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:52:55,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:55,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:55,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:55,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:52:55,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:55,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:55,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:55,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:52:55,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:55,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:52:55,565 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:52:55,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:55,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:52:55,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507710702] [2021-03-26 07:52:55,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:52:55,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:52:55,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380694780] [2021-03-26 07:52:55,568 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:52:55,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:52:55,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:52:55,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:52:55,569 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 86 [2021-03-26 07:52:55,569 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 246 transitions, 2692 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:55,569 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:52:55,569 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 86 [2021-03-26 07:52:55,569 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:52:56,090 INFO L129 PetriNetUnfolder]: 705/1227 cut-off events. [2021-03-26 07:52:56,090 INFO L130 PetriNetUnfolder]: For 12819/12834 co-relation queries the response was YES. [2021-03-26 07:52:56,094 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8517 conditions, 1227 events. 705/1227 cut-off events. For 12819/12834 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 6518 event pairs, 138 based on Foata normal form. 14/1240 useless extension candidates. Maximal degree in co-relation 8448. Up to 906 conditions per place. [2021-03-26 07:52:56,098 INFO L132 encePairwiseOnDemand]: 66/86 looper letters, 181 selfloop transitions, 120 changer transitions 3/312 dead transitions. [2021-03-26 07:52:56,098 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 312 transitions, 4099 flow [2021-03-26 07:52:56,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 07:52:56,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 07:52:56,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 643 transitions. [2021-03-26 07:52:56,099 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.37383720930232556 [2021-03-26 07:52:56,099 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 643 transitions. [2021-03-26 07:52:56,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 643 transitions. [2021-03-26 07:52:56,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:52:56,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 643 transitions. [2021-03-26 07:52:56,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 32.15) internal successors, (643), 20 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:56,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 86.0) internal successors, (1806), 21 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:56,102 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 86.0) internal successors, (1806), 21 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:56,102 INFO L185 Difference]: Start difference. First operand has 149 places, 246 transitions, 2692 flow. Second operand 20 states and 643 transitions. [2021-03-26 07:52:56,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 312 transitions, 4099 flow [2021-03-26 07:52:56,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 312 transitions, 3833 flow, removed 77 selfloop flow, removed 10 redundant places. [2021-03-26 07:52:56,143 INFO L241 Difference]: Finished difference. Result has 164 places, 277 transitions, 3212 flow [2021-03-26 07:52:56,144 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=2458, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=3212, PETRI_PLACES=164, PETRI_TRANSITIONS=277} [2021-03-26 07:52:56,144 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 125 predicate places. [2021-03-26 07:52:56,144 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:56,144 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 164 places, 277 transitions, 3212 flow [2021-03-26 07:52:56,144 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 164 places, 277 transitions, 3212 flow [2021-03-26 07:52:56,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 162 places, 277 transitions, 3212 flow [2021-03-26 07:52:56,195 INFO L129 PetriNetUnfolder]: 395/788 cut-off events. [2021-03-26 07:52:56,195 INFO L130 PetriNetUnfolder]: For 9052/9217 co-relation queries the response was YES. [2021-03-26 07:52:56,197 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5463 conditions, 788 events. 395/788 cut-off events. For 9052/9217 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4517 event pairs, 37 based on Foata normal form. 14/766 useless extension candidates. Maximal degree in co-relation 5397. Up to 467 conditions per place. [2021-03-26 07:52:56,201 INFO L142 LiptonReduction]: Number of co-enabled transitions 588 [2021-03-26 07:52:56,315 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-26 07:52:56,315 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 07:52:56,316 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 172 [2021-03-26 07:52:56,316 INFO L480 AbstractCegarLoop]: Abstraction has has 161 places, 276 transitions, 3233 flow [2021-03-26 07:52:56,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:56,316 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:56,316 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:56,316 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-26 07:52:56,316 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:56,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:56,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1731842221, now seen corresponding path program 1 times [2021-03-26 07:52:56,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:56,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661047742] [2021-03-26 07:52:56,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:56,328 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:52:56,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:56,332 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:52:56,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:56,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:56,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:56,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:56,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:52:56,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:56,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:56,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:56,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:56,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:56,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:52:56,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:56,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:56,380 INFO L142 QuantifierPusher]: treesize reduction 32, result has 39.6 percent of original size [2021-03-26 07:52:56,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:56,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:56,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:56,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:52:56,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661047742] [2021-03-26 07:52:56,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:52:56,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 07:52:56,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666566099] [2021-03-26 07:52:56,396 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 07:52:56,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:52:56,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 07:52:56,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 07:52:56,396 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 91 [2021-03-26 07:52:56,396 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 276 transitions, 3233 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:56,396 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:52:56,397 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 91 [2021-03-26 07:52:56,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:52:56,782 INFO L129 PetriNetUnfolder]: 702/1235 cut-off events. [2021-03-26 07:52:56,782 INFO L130 PetriNetUnfolder]: For 15460/15475 co-relation queries the response was YES. [2021-03-26 07:52:56,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9096 conditions, 1235 events. 702/1235 cut-off events. For 15460/15475 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 6684 event pairs, 165 based on Foata normal form. 11/1245 useless extension candidates. Maximal degree in co-relation 9024. Up to 1037 conditions per place. [2021-03-26 07:52:56,792 INFO L132 encePairwiseOnDemand]: 71/91 looper letters, 229 selfloop transitions, 60 changer transitions 1/298 dead transitions. [2021-03-26 07:52:56,793 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 298 transitions, 4076 flow [2021-03-26 07:52:56,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 07:52:56,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 07:52:56,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 342 transitions. [2021-03-26 07:52:56,794 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3758241758241758 [2021-03-26 07:52:56,794 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 342 transitions. [2021-03-26 07:52:56,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 342 transitions. [2021-03-26 07:52:56,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:52:56,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 342 transitions. [2021-03-26 07:52:56,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 34.2) internal successors, (342), 10 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:56,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 91.0) internal successors, (1001), 11 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:56,795 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 91.0) internal successors, (1001), 11 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:56,795 INFO L185 Difference]: Start difference. First operand has 161 places, 276 transitions, 3233 flow. Second operand 10 states and 342 transitions. [2021-03-26 07:52:56,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 298 transitions, 4076 flow [2021-03-26 07:52:56,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 298 transitions, 3704 flow, removed 139 selfloop flow, removed 6 redundant places. [2021-03-26 07:52:56,892 INFO L241 Difference]: Finished difference. Result has 166 places, 278 transitions, 3040 flow [2021-03-26 07:52:56,893 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=2879, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3040, PETRI_PLACES=166, PETRI_TRANSITIONS=278} [2021-03-26 07:52:56,893 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 127 predicate places. [2021-03-26 07:52:56,893 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:56,893 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 166 places, 278 transitions, 3040 flow [2021-03-26 07:52:56,893 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 166 places, 278 transitions, 3040 flow [2021-03-26 07:52:56,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 166 places, 278 transitions, 3040 flow [2021-03-26 07:52:56,950 INFO L129 PetriNetUnfolder]: 390/783 cut-off events. [2021-03-26 07:52:56,950 INFO L130 PetriNetUnfolder]: For 7879/8086 co-relation queries the response was YES. [2021-03-26 07:52:56,954 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5253 conditions, 783 events. 390/783 cut-off events. For 7879/8086 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4551 event pairs, 43 based on Foata normal form. 15/754 useless extension candidates. Maximal degree in co-relation 5165. Up to 435 conditions per place. [2021-03-26 07:52:56,959 INFO L142 LiptonReduction]: Number of co-enabled transitions 586 [2021-03-26 07:52:57,027 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 07:52:57,027 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 07:52:57,027 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 134 [2021-03-26 07:52:57,027 INFO L480 AbstractCegarLoop]: Abstraction has has 165 places, 277 transitions, 3039 flow [2021-03-26 07:52:57,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:57,028 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:57,028 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:57,028 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-26 07:52:57,028 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:57,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:57,028 INFO L82 PathProgramCache]: Analyzing trace with hash -340225736, now seen corresponding path program 1 times [2021-03-26 07:52:57,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:57,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507252757] [2021-03-26 07:52:57,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:57,049 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:52:57,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:57,053 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:52:57,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:57,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:57,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:57,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:57,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:52:57,076 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 07:52:57,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 07:52:57,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:57,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:57,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:57,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:52:57,097 INFO L142 QuantifierPusher]: treesize reduction 32, result has 39.6 percent of original size [2021-03-26 07:52:57,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:57,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:57,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:57,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:52:57,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507252757] [2021-03-26 07:52:57,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:52:57,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 07:52:57,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026822661] [2021-03-26 07:52:57,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 07:52:57,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:52:57,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 07:52:57,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-03-26 07:52:57,113 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 93 [2021-03-26 07:52:57,113 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 277 transitions, 3039 flow. Second operand has 8 states, 8 states have (on average 27.25) internal successors, (218), 8 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:57,113 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:52:57,113 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 93 [2021-03-26 07:52:57,113 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:52:57,419 INFO L129 PetriNetUnfolder]: 701/1233 cut-off events. [2021-03-26 07:52:57,419 INFO L130 PetriNetUnfolder]: For 13658/13673 co-relation queries the response was YES. [2021-03-26 07:52:57,424 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8859 conditions, 1233 events. 701/1233 cut-off events. For 13658/13673 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 6636 event pairs, 161 based on Foata normal form. 11/1241 useless extension candidates. Maximal degree in co-relation 8758. Up to 1027 conditions per place. [2021-03-26 07:52:57,429 INFO L132 encePairwiseOnDemand]: 72/93 looper letters, 223 selfloop transitions, 67 changer transitions 1/299 dead transitions. [2021-03-26 07:52:57,429 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 299 transitions, 3880 flow [2021-03-26 07:52:57,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 07:52:57,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 07:52:57,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 317 transitions. [2021-03-26 07:52:57,431 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.37873357228195936 [2021-03-26 07:52:57,431 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 317 transitions. [2021-03-26 07:52:57,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 317 transitions. [2021-03-26 07:52:57,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:52:57,431 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 317 transitions. [2021-03-26 07:52:57,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 35.22222222222222) internal successors, (317), 9 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:57,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 93.0) internal successors, (930), 10 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:57,432 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 93.0) internal successors, (930), 10 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:57,432 INFO L185 Difference]: Start difference. First operand has 165 places, 277 transitions, 3039 flow. Second operand 9 states and 317 transitions. [2021-03-26 07:52:57,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 299 transitions, 3880 flow [2021-03-26 07:52:57,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 299 transitions, 3763 flow, removed 1 selfloop flow, removed 7 redundant places. [2021-03-26 07:52:57,476 INFO L241 Difference]: Finished difference. Result has 168 places, 278 transitions, 3087 flow [2021-03-26 07:52:57,476 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=2922, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3087, PETRI_PLACES=168, PETRI_TRANSITIONS=278} [2021-03-26 07:52:57,476 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 129 predicate places. [2021-03-26 07:52:57,476 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:57,476 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 168 places, 278 transitions, 3087 flow [2021-03-26 07:52:57,476 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 168 places, 278 transitions, 3087 flow [2021-03-26 07:52:57,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 168 places, 278 transitions, 3087 flow [2021-03-26 07:52:57,530 INFO L129 PetriNetUnfolder]: 389/783 cut-off events. [2021-03-26 07:52:57,530 INFO L130 PetriNetUnfolder]: For 7820/7989 co-relation queries the response was YES. [2021-03-26 07:52:57,533 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5251 conditions, 783 events. 389/783 cut-off events. For 7820/7989 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4531 event pairs, 43 based on Foata normal form. 15/761 useless extension candidates. Maximal degree in co-relation 5161. Up to 438 conditions per place. [2021-03-26 07:52:57,538 INFO L142 LiptonReduction]: Number of co-enabled transitions 586 [2021-03-26 07:52:57,593 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-26 07:52:57,593 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:52:57,593 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 117 [2021-03-26 07:52:57,593 INFO L480 AbstractCegarLoop]: Abstraction has has 168 places, 278 transitions, 3091 flow [2021-03-26 07:52:57,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 27.25) internal successors, (218), 8 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:57,594 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:57,594 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:57,594 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-26 07:52:57,594 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:57,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:57,594 INFO L82 PathProgramCache]: Analyzing trace with hash -2125936943, now seen corresponding path program 1 times [2021-03-26 07:52:57,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:57,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270635928] [2021-03-26 07:52:57,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:57,605 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:52:57,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:57,609 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:52:57,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:57,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:57,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:57,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:57,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:52:57,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:57,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:57,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:57,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:57,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:57,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:52:57,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:57,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:57,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:57,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:57,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:57,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:57,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:52:57,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270635928] [2021-03-26 07:52:57,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:52:57,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 07:52:57,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064511737] [2021-03-26 07:52:57,666 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 07:52:57,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:52:57,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 07:52:57,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 07:52:57,667 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 94 [2021-03-26 07:52:57,667 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 278 transitions, 3091 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:57,667 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:52:57,667 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 94 [2021-03-26 07:52:57,667 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:52:58,174 INFO L129 PetriNetUnfolder]: 700/1239 cut-off events. [2021-03-26 07:52:58,174 INFO L130 PetriNetUnfolder]: For 13831/13846 co-relation queries the response was YES. [2021-03-26 07:52:58,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8908 conditions, 1239 events. 700/1239 cut-off events. For 13831/13846 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 6781 event pairs, 169 based on Foata normal form. 11/1247 useless extension candidates. Maximal degree in co-relation 8808. Up to 1032 conditions per place. [2021-03-26 07:52:58,184 INFO L132 encePairwiseOnDemand]: 74/94 looper letters, 230 selfloop transitions, 61 changer transitions 3/302 dead transitions. [2021-03-26 07:52:58,184 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 302 transitions, 3964 flow [2021-03-26 07:52:58,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 07:52:58,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 07:52:58,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 398 transitions. [2021-03-26 07:52:58,193 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3528368794326241 [2021-03-26 07:52:58,194 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 398 transitions. [2021-03-26 07:52:58,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 398 transitions. [2021-03-26 07:52:58,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:52:58,194 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 398 transitions. [2021-03-26 07:52:58,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 33.166666666666664) internal successors, (398), 12 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:58,195 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 94.0) internal successors, (1222), 13 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:58,195 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 94.0) internal successors, (1222), 13 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:58,195 INFO L185 Difference]: Start difference. First operand has 168 places, 278 transitions, 3091 flow. Second operand 12 states and 398 transitions. [2021-03-26 07:52:58,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 302 transitions, 3964 flow [2021-03-26 07:52:58,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 302 transitions, 3812 flow, removed 4 selfloop flow, removed 8 redundant places. [2021-03-26 07:52:58,239 INFO L241 Difference]: Finished difference. Result has 174 places, 279 transitions, 3112 flow [2021-03-26 07:52:58,239 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=2939, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=3112, PETRI_PLACES=174, PETRI_TRANSITIONS=279} [2021-03-26 07:52:58,239 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 135 predicate places. [2021-03-26 07:52:58,239 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:58,239 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 174 places, 279 transitions, 3112 flow [2021-03-26 07:52:58,239 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 174 places, 279 transitions, 3112 flow [2021-03-26 07:52:58,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 171 places, 279 transitions, 3112 flow [2021-03-26 07:52:58,293 INFO L129 PetriNetUnfolder]: 391/792 cut-off events. [2021-03-26 07:52:58,294 INFO L130 PetriNetUnfolder]: For 8464/8627 co-relation queries the response was YES. [2021-03-26 07:52:58,297 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5379 conditions, 792 events. 391/792 cut-off events. For 8464/8627 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4651 event pairs, 49 based on Foata normal form. 16/771 useless extension candidates. Maximal degree in co-relation 5308. Up to 442 conditions per place. [2021-03-26 07:52:58,302 INFO L142 LiptonReduction]: Number of co-enabled transitions 588 [2021-03-26 07:52:58,312 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 07:52:58,312 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:52:58,312 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 73 [2021-03-26 07:52:58,312 INFO L480 AbstractCegarLoop]: Abstraction has has 171 places, 279 transitions, 3112 flow [2021-03-26 07:52:58,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:58,313 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:58,313 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:58,313 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-26 07:52:58,313 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:58,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:58,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1497175088, now seen corresponding path program 1 times [2021-03-26 07:52:58,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:58,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837330453] [2021-03-26 07:52:58,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:58,324 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:52:58,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:58,328 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:52:58,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:58,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:58,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:58,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:58,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:52:58,350 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 07:52:58,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 07:52:58,363 INFO L142 QuantifierPusher]: treesize reduction 27, result has 47.1 percent of original size [2021-03-26 07:52:58,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 07:52:58,381 INFO L142 QuantifierPusher]: treesize reduction 27, result has 44.9 percent of original size [2021-03-26 07:52:58,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 07:52:58,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:58,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:52:58,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:58,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:58,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:52:58,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837330453] [2021-03-26 07:52:58,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:52:58,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 07:52:58,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405642828] [2021-03-26 07:52:58,393 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 07:52:58,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:52:58,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 07:52:58,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 07:52:58,394 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 94 [2021-03-26 07:52:58,394 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 279 transitions, 3112 flow. Second operand has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:58,394 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:52:58,394 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 94 [2021-03-26 07:52:58,394 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:52:58,792 INFO L129 PetriNetUnfolder]: 716/1258 cut-off events. [2021-03-26 07:52:58,792 INFO L130 PetriNetUnfolder]: For 14999/15014 co-relation queries the response was YES. [2021-03-26 07:52:58,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9208 conditions, 1258 events. 716/1258 cut-off events. For 14999/15014 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 6880 event pairs, 104 based on Foata normal form. 14/1269 useless extension candidates. Maximal degree in co-relation 9134. Up to 950 conditions per place. [2021-03-26 07:52:58,802 INFO L132 encePairwiseOnDemand]: 70/94 looper letters, 191 selfloop transitions, 116 changer transitions 1/316 dead transitions. [2021-03-26 07:52:58,802 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 316 transitions, 4188 flow [2021-03-26 07:52:58,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 07:52:58,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 07:52:58,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 422 transitions. [2021-03-26 07:52:58,803 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.374113475177305 [2021-03-26 07:52:58,803 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 422 transitions. [2021-03-26 07:52:58,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 422 transitions. [2021-03-26 07:52:58,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:52:58,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 422 transitions. [2021-03-26 07:52:58,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 35.166666666666664) internal successors, (422), 12 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:58,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 94.0) internal successors, (1222), 13 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:58,805 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 94.0) internal successors, (1222), 13 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:58,805 INFO L185 Difference]: Start difference. First operand has 171 places, 279 transitions, 3112 flow. Second operand 12 states and 422 transitions. [2021-03-26 07:52:58,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 316 transitions, 4188 flow [2021-03-26 07:52:58,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 316 transitions, 4043 flow, removed 23 selfloop flow, removed 8 redundant places. [2021-03-26 07:52:58,852 INFO L241 Difference]: Finished difference. Result has 176 places, 289 transitions, 3399 flow [2021-03-26 07:52:58,852 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=2971, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=3399, PETRI_PLACES=176, PETRI_TRANSITIONS=289} [2021-03-26 07:52:58,853 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 137 predicate places. [2021-03-26 07:52:58,853 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:58,853 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 176 places, 289 transitions, 3399 flow [2021-03-26 07:52:58,853 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 176 places, 289 transitions, 3399 flow [2021-03-26 07:52:58,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 176 places, 289 transitions, 3399 flow [2021-03-26 07:52:58,936 INFO L129 PetriNetUnfolder]: 402/807 cut-off events. [2021-03-26 07:52:58,936 INFO L130 PetriNetUnfolder]: For 9512/9669 co-relation queries the response was YES. [2021-03-26 07:52:58,939 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5679 conditions, 807 events. 402/807 cut-off events. For 9512/9669 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 4774 event pairs, 39 based on Foata normal form. 14/783 useless extension candidates. Maximal degree in co-relation 5575. Up to 453 conditions per place. [2021-03-26 07:52:58,944 INFO L142 LiptonReduction]: Number of co-enabled transitions 622 [2021-03-26 07:52:59,022 INFO L154 LiptonReduction]: Checked pairs total: 8 [2021-03-26 07:52:59,022 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 07:52:59,023 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 170 [2021-03-26 07:52:59,023 INFO L480 AbstractCegarLoop]: Abstraction has has 176 places, 289 transitions, 3417 flow [2021-03-26 07:52:59,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:59,023 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:59,023 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:59,023 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-26 07:52:59,023 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:59,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:59,024 INFO L82 PathProgramCache]: Analyzing trace with hash 305621825, now seen corresponding path program 1 times [2021-03-26 07:52:59,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:59,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699735218] [2021-03-26 07:52:59,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:59,034 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:52:59,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:59,038 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:52:59,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:59,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:59,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:59,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:59,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:52:59,061 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 07:52:59,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 07:52:59,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:59,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:52:59,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:59,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:52:59,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:59,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:59,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:59,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:59,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:59,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:59,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:52:59,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699735218] [2021-03-26 07:52:59,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:52:59,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:52:59,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715054948] [2021-03-26 07:52:59,105 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:52:59,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:52:59,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:52:59,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:52:59,106 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 96 [2021-03-26 07:52:59,106 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 289 transitions, 3417 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:59,106 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:52:59,106 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 96 [2021-03-26 07:52:59,106 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:52:59,565 INFO L129 PetriNetUnfolder]: 716/1262 cut-off events. [2021-03-26 07:52:59,565 INFO L130 PetriNetUnfolder]: For 16148/16175 co-relation queries the response was YES. [2021-03-26 07:52:59,571 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9541 conditions, 1262 events. 716/1262 cut-off events. For 16148/16175 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 6919 event pairs, 171 based on Foata normal form. 18/1277 useless extension candidates. Maximal degree in co-relation 9436. Up to 973 conditions per place. [2021-03-26 07:52:59,576 INFO L132 encePairwiseOnDemand]: 72/96 looper letters, 198 selfloop transitions, 108 changer transitions 5/319 dead transitions. [2021-03-26 07:52:59,576 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 319 transitions, 4437 flow [2021-03-26 07:52:59,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:52:59,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:52:59,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 442 transitions. [2021-03-26 07:52:59,577 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3541666666666667 [2021-03-26 07:52:59,577 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 442 transitions. [2021-03-26 07:52:59,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 442 transitions. [2021-03-26 07:52:59,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:52:59,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 442 transitions. [2021-03-26 07:52:59,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 34.0) internal successors, (442), 13 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:59,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 96.0) internal successors, (1344), 14 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:59,579 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 96.0) internal successors, (1344), 14 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:59,579 INFO L185 Difference]: Start difference. First operand has 176 places, 289 transitions, 3417 flow. Second operand 13 states and 442 transitions. [2021-03-26 07:52:59,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 319 transitions, 4437 flow [2021-03-26 07:52:59,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 319 transitions, 4170 flow, removed 65 selfloop flow, removed 6 redundant places. [2021-03-26 07:52:59,632 INFO L241 Difference]: Finished difference. Result has 186 places, 293 transitions, 3491 flow [2021-03-26 07:52:59,633 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=96, PETRI_DIFFERENCE_MINUEND_FLOW=3168, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=102, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3491, PETRI_PLACES=186, PETRI_TRANSITIONS=293} [2021-03-26 07:52:59,633 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 147 predicate places. [2021-03-26 07:52:59,633 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:59,633 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 186 places, 293 transitions, 3491 flow [2021-03-26 07:52:59,633 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 186 places, 293 transitions, 3491 flow [2021-03-26 07:52:59,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 183 places, 293 transitions, 3491 flow [2021-03-26 07:52:59,691 INFO L129 PetriNetUnfolder]: 396/806 cut-off events. [2021-03-26 07:52:59,692 INFO L130 PetriNetUnfolder]: For 9838/10027 co-relation queries the response was YES. [2021-03-26 07:52:59,695 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5782 conditions, 806 events. 396/806 cut-off events. For 9838/10027 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4793 event pairs, 37 based on Foata normal form. 17/784 useless extension candidates. Maximal degree in co-relation 5709. Up to 430 conditions per place. [2021-03-26 07:52:59,700 INFO L142 LiptonReduction]: Number of co-enabled transitions 620 [2021-03-26 07:52:59,742 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 07:52:59,743 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:52:59,743 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 110 [2021-03-26 07:52:59,743 INFO L480 AbstractCegarLoop]: Abstraction has has 183 places, 293 transitions, 3510 flow [2021-03-26 07:52:59,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:59,743 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:59,743 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:59,743 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-26 07:52:59,744 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:59,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:59,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1727764002, now seen corresponding path program 1 times [2021-03-26 07:52:59,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:59,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064522664] [2021-03-26 07:52:59,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:59,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:59,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-26 07:52:59,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:59,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 07:52:59,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:52:59,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064522664] [2021-03-26 07:52:59,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:52:59,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 07:52:59,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387859153] [2021-03-26 07:52:59,751 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 07:52:59,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:52:59,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 07:52:59,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 07:52:59,751 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 97 [2021-03-26 07:52:59,752 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 293 transitions, 3510 flow. Second operand has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:59,752 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:52:59,752 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 97 [2021-03-26 07:52:59,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:52:59,824 INFO L129 PetriNetUnfolder]: 304/638 cut-off events. [2021-03-26 07:52:59,824 INFO L130 PetriNetUnfolder]: For 9674/9802 co-relation queries the response was YES. [2021-03-26 07:52:59,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4832 conditions, 638 events. 304/638 cut-off events. For 9674/9802 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3563 event pairs, 37 based on Foata normal form. 34/644 useless extension candidates. Maximal degree in co-relation 4759. Up to 342 conditions per place. [2021-03-26 07:52:59,830 INFO L132 encePairwiseOnDemand]: 92/97 looper letters, 49 selfloop transitions, 21 changer transitions 0/242 dead transitions. [2021-03-26 07:52:59,830 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 242 transitions, 3171 flow [2021-03-26 07:52:59,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 07:52:59,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 07:52:59,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2021-03-26 07:52:59,831 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8419243986254296 [2021-03-26 07:52:59,831 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 245 transitions. [2021-03-26 07:52:59,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 245 transitions. [2021-03-26 07:52:59,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:52:59,831 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 245 transitions. [2021-03-26 07:52:59,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:59,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:59,832 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:59,832 INFO L185 Difference]: Start difference. First operand has 183 places, 293 transitions, 3510 flow. Second operand 3 states and 245 transitions. [2021-03-26 07:52:59,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 242 transitions, 3171 flow [2021-03-26 07:52:59,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 242 transitions, 2682 flow, removed 40 selfloop flow, removed 23 redundant places. [2021-03-26 07:52:59,866 INFO L241 Difference]: Finished difference. Result has 158 places, 242 transitions, 2611 flow [2021-03-26 07:52:59,866 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=2542, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2611, PETRI_PLACES=158, PETRI_TRANSITIONS=242} [2021-03-26 07:52:59,866 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 119 predicate places. [2021-03-26 07:52:59,866 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:52:59,866 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 158 places, 242 transitions, 2611 flow [2021-03-26 07:52:59,866 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 158 places, 242 transitions, 2611 flow [2021-03-26 07:52:59,868 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 158 places, 242 transitions, 2611 flow [2021-03-26 07:52:59,909 INFO L129 PetriNetUnfolder]: 286/626 cut-off events. [2021-03-26 07:52:59,909 INFO L130 PetriNetUnfolder]: For 7120/7300 co-relation queries the response was YES. [2021-03-26 07:52:59,912 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4128 conditions, 626 events. 286/626 cut-off events. For 7120/7300 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3607 event pairs, 13 based on Foata normal form. 15/613 useless extension candidates. Maximal degree in co-relation 4042. Up to 327 conditions per place. [2021-03-26 07:52:59,929 INFO L142 LiptonReduction]: Number of co-enabled transitions 394 [2021-03-26 07:52:59,964 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:52:59,965 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:52:59,965 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 99 [2021-03-26 07:52:59,965 INFO L480 AbstractCegarLoop]: Abstraction has has 158 places, 242 transitions, 2618 flow [2021-03-26 07:52:59,965 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:52:59,965 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:52:59,965 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:52:59,965 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-26 07:52:59,966 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:52:59,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:52:59,966 INFO L82 PathProgramCache]: Analyzing trace with hash 254555092, now seen corresponding path program 1 times [2021-03-26 07:52:59,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:52:59,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731890386] [2021-03-26 07:52:59,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:52:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:52:59,976 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:52:59,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:52:59,981 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:52:59,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:52:59,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:59,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:52:59,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:52:59,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:00,004 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:53:00,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:53:00,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:00,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:00,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:00,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:00,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:00,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:00,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:00,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:00,053 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:00,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:00,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:00,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731890386] [2021-03-26 07:53:00,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:00,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:53:00,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531397251] [2021-03-26 07:53:00,055 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:53:00,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:00,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:53:00,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:53:00,056 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 98 [2021-03-26 07:53:00,056 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 242 transitions, 2618 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:00,056 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:00,056 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 98 [2021-03-26 07:53:00,056 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:00,442 INFO L129 PetriNetUnfolder]: 460/867 cut-off events. [2021-03-26 07:53:00,442 INFO L130 PetriNetUnfolder]: For 10839/10854 co-relation queries the response was YES. [2021-03-26 07:53:00,446 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6432 conditions, 867 events. 460/867 cut-off events. For 10839/10854 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 4526 event pairs, 83 based on Foata normal form. 14/880 useless extension candidates. Maximal degree in co-relation 6329. Up to 658 conditions per place. [2021-03-26 07:53:00,449 INFO L132 encePairwiseOnDemand]: 73/98 looper letters, 160 selfloop transitions, 99 changer transitions 2/269 dead transitions. [2021-03-26 07:53:00,449 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 269 transitions, 3445 flow [2021-03-26 07:53:00,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:53:00,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:53:00,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 433 transitions. [2021-03-26 07:53:00,450 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33987441130298274 [2021-03-26 07:53:00,450 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 433 transitions. [2021-03-26 07:53:00,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 433 transitions. [2021-03-26 07:53:00,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:00,451 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 433 transitions. [2021-03-26 07:53:00,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 33.30769230769231) internal successors, (433), 13 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:00,452 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 98.0) internal successors, (1372), 14 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:00,452 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 98.0) internal successors, (1372), 14 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:00,452 INFO L185 Difference]: Start difference. First operand has 158 places, 242 transitions, 2618 flow. Second operand 13 states and 433 transitions. [2021-03-26 07:53:00,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 269 transitions, 3445 flow [2021-03-26 07:53:00,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 269 transitions, 3386 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-03-26 07:53:00,487 INFO L241 Difference]: Finished difference. Result has 172 places, 249 transitions, 2877 flow [2021-03-26 07:53:00,487 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=2567, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2877, PETRI_PLACES=172, PETRI_TRANSITIONS=249} [2021-03-26 07:53:00,487 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 133 predicate places. [2021-03-26 07:53:00,487 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:00,487 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 172 places, 249 transitions, 2877 flow [2021-03-26 07:53:00,488 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 172 places, 249 transitions, 2877 flow [2021-03-26 07:53:00,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 170 places, 249 transitions, 2877 flow [2021-03-26 07:53:00,531 INFO L129 PetriNetUnfolder]: 282/629 cut-off events. [2021-03-26 07:53:00,531 INFO L130 PetriNetUnfolder]: For 7205/7377 co-relation queries the response was YES. [2021-03-26 07:53:00,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4278 conditions, 629 events. 282/629 cut-off events. For 7205/7377 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3674 event pairs, 11 based on Foata normal form. 12/618 useless extension candidates. Maximal degree in co-relation 4211. Up to 328 conditions per place. [2021-03-26 07:53:00,538 INFO L142 LiptonReduction]: Number of co-enabled transitions 418 [2021-03-26 07:53:00,546 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:00,546 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:00,546 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 59 [2021-03-26 07:53:00,547 INFO L480 AbstractCegarLoop]: Abstraction has has 170 places, 249 transitions, 2877 flow [2021-03-26 07:53:00,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:00,547 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:00,547 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:00,547 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-26 07:53:00,547 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:00,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:00,547 INFO L82 PathProgramCache]: Analyzing trace with hash 380729311, now seen corresponding path program 2 times [2021-03-26 07:53:00,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:00,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595881254] [2021-03-26 07:53:00,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:00,558 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:00,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:00,562 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:00,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:00,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:00,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:00,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:00,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:00,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:00,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:00,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:00,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:00,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:00,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:00,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:00,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:00,617 INFO L142 QuantifierPusher]: treesize reduction 32, result has 39.6 percent of original size [2021-03-26 07:53:00,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:00,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:00,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:00,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:00,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595881254] [2021-03-26 07:53:00,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:00,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:53:00,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881972942] [2021-03-26 07:53:00,634 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:53:00,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:00,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:53:00,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:53:00,635 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 98 [2021-03-26 07:53:00,635 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 249 transitions, 2877 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:00,635 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:00,635 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 98 [2021-03-26 07:53:00,635 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:00,998 INFO L129 PetriNetUnfolder]: 460/862 cut-off events. [2021-03-26 07:53:00,998 INFO L130 PetriNetUnfolder]: For 11369/11407 co-relation queries the response was YES. [2021-03-26 07:53:01,002 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6581 conditions, 862 events. 460/862 cut-off events. For 11369/11407 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4538 event pairs, 113 based on Foata normal form. 23/883 useless extension candidates. Maximal degree in co-relation 6512. Up to 709 conditions per place. [2021-03-26 07:53:01,005 INFO L132 encePairwiseOnDemand]: 78/98 looper letters, 202 selfloop transitions, 59 changer transitions 2/271 dead transitions. [2021-03-26 07:53:01,005 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 271 transitions, 3681 flow [2021-03-26 07:53:01,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 07:53:01,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 07:53:01,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 401 transitions. [2021-03-26 07:53:01,006 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.34098639455782315 [2021-03-26 07:53:01,006 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 401 transitions. [2021-03-26 07:53:01,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 401 transitions. [2021-03-26 07:53:01,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:01,006 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 401 transitions. [2021-03-26 07:53:01,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 33.416666666666664) internal successors, (401), 12 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:01,008 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 98.0) internal successors, (1274), 13 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:01,008 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 98.0) internal successors, (1274), 13 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:01,008 INFO L185 Difference]: Start difference. First operand has 170 places, 249 transitions, 2877 flow. Second operand 12 states and 401 transitions. [2021-03-26 07:53:01,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 271 transitions, 3681 flow [2021-03-26 07:53:01,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 271 transitions, 3479 flow, removed 15 selfloop flow, removed 9 redundant places. [2021-03-26 07:53:01,044 INFO L241 Difference]: Finished difference. Result has 173 places, 247 transitions, 2790 flow [2021-03-26 07:53:01,044 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=2679, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2790, PETRI_PLACES=173, PETRI_TRANSITIONS=247} [2021-03-26 07:53:01,044 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 134 predicate places. [2021-03-26 07:53:01,044 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:01,045 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 173 places, 247 transitions, 2790 flow [2021-03-26 07:53:01,045 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 173 places, 247 transitions, 2790 flow [2021-03-26 07:53:01,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 171 places, 247 transitions, 2790 flow [2021-03-26 07:53:01,096 INFO L129 PetriNetUnfolder]: 295/632 cut-off events. [2021-03-26 07:53:01,097 INFO L130 PetriNetUnfolder]: For 7340/7512 co-relation queries the response was YES. [2021-03-26 07:53:01,099 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4340 conditions, 632 events. 295/632 cut-off events. For 7340/7512 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3590 event pairs, 17 based on Foata normal form. 13/617 useless extension candidates. Maximal degree in co-relation 4242. Up to 328 conditions per place. [2021-03-26 07:53:01,103 INFO L142 LiptonReduction]: Number of co-enabled transitions 418 [2021-03-26 07:53:01,111 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:01,111 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:01,111 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 67 [2021-03-26 07:53:01,112 INFO L480 AbstractCegarLoop]: Abstraction has has 171 places, 247 transitions, 2790 flow [2021-03-26 07:53:01,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:01,112 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:01,112 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:01,112 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-26 07:53:01,112 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:01,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:01,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1318925918, now seen corresponding path program 1 times [2021-03-26 07:53:01,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:01,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653733736] [2021-03-26 07:53:01,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:01,123 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:01,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:01,127 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:01,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:01,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:01,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:01,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:01,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:01,149 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:53:01,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:53:01,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:01,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:01,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:01,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:01,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:01,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:01,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:01,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:01,201 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:01,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:01,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:01,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653733736] [2021-03-26 07:53:01,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:01,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:53:01,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515015828] [2021-03-26 07:53:01,203 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:53:01,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:01,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:53:01,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:53:01,204 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 98 [2021-03-26 07:53:01,204 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 247 transitions, 2790 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:01,204 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:01,204 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 98 [2021-03-26 07:53:01,204 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:01,573 INFO L129 PetriNetUnfolder]: 468/889 cut-off events. [2021-03-26 07:53:01,573 INFO L130 PetriNetUnfolder]: For 11509/11524 co-relation queries the response was YES. [2021-03-26 07:53:01,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6732 conditions, 889 events. 468/889 cut-off events. For 11509/11524 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4805 event pairs, 95 based on Foata normal form. 12/900 useless extension candidates. Maximal degree in co-relation 6626. Up to 713 conditions per place. [2021-03-26 07:53:01,580 INFO L132 encePairwiseOnDemand]: 77/98 looper letters, 197 selfloop transitions, 77 changer transitions 4/286 dead transitions. [2021-03-26 07:53:01,580 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 286 transitions, 3862 flow [2021-03-26 07:53:01,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:53:01,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:53:01,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 458 transitions. [2021-03-26 07:53:01,582 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3338192419825073 [2021-03-26 07:53:01,582 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 458 transitions. [2021-03-26 07:53:01,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 458 transitions. [2021-03-26 07:53:01,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:01,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 458 transitions. [2021-03-26 07:53:01,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.714285714285715) internal successors, (458), 14 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:01,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 98.0) internal successors, (1470), 15 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:01,583 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 98.0) internal successors, (1470), 15 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:01,583 INFO L185 Difference]: Start difference. First operand has 171 places, 247 transitions, 2790 flow. Second operand 14 states and 458 transitions. [2021-03-26 07:53:01,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 286 transitions, 3862 flow [2021-03-26 07:53:01,618 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 286 transitions, 3713 flow, removed 9 selfloop flow, removed 12 redundant places. [2021-03-26 07:53:01,622 INFO L241 Difference]: Finished difference. Result has 178 places, 259 transitions, 3029 flow [2021-03-26 07:53:01,622 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=2655, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=3029, PETRI_PLACES=178, PETRI_TRANSITIONS=259} [2021-03-26 07:53:01,622 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 139 predicate places. [2021-03-26 07:53:01,622 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:01,622 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 178 places, 259 transitions, 3029 flow [2021-03-26 07:53:01,622 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 178 places, 259 transitions, 3029 flow [2021-03-26 07:53:01,623 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 176 places, 259 transitions, 3029 flow [2021-03-26 07:53:01,669 INFO L129 PetriNetUnfolder]: 299/647 cut-off events. [2021-03-26 07:53:01,669 INFO L130 PetriNetUnfolder]: For 7672/7802 co-relation queries the response was YES. [2021-03-26 07:53:01,672 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4519 conditions, 647 events. 299/647 cut-off events. For 7672/7802 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 3755 event pairs, 14 based on Foata normal form. 11/638 useless extension candidates. Maximal degree in co-relation 4448. Up to 342 conditions per place. [2021-03-26 07:53:01,676 INFO L142 LiptonReduction]: Number of co-enabled transitions 430 [2021-03-26 07:53:01,684 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:01,684 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:01,685 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 63 [2021-03-26 07:53:01,685 INFO L480 AbstractCegarLoop]: Abstraction has has 176 places, 259 transitions, 3029 flow [2021-03-26 07:53:01,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:01,685 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:01,685 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:01,685 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-26 07:53:01,685 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:01,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:01,685 INFO L82 PathProgramCache]: Analyzing trace with hash -1212424996, now seen corresponding path program 2 times [2021-03-26 07:53:01,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:01,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607688360] [2021-03-26 07:53:01,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:01,695 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:01,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:01,699 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:01,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:01,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:01,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:01,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:01,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:01,722 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:53:01,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:53:01,739 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:53:01,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:53:01,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:01,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:01,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:01,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:01,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:01,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:01,791 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:01,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:01,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:01,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607688360] [2021-03-26 07:53:01,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:01,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:01,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010087112] [2021-03-26 07:53:01,793 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:01,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:01,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:01,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:01,794 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 98 [2021-03-26 07:53:01,794 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 259 transitions, 3029 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:01,794 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:01,794 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 98 [2021-03-26 07:53:01,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:02,213 INFO L129 PetriNetUnfolder]: 476/901 cut-off events. [2021-03-26 07:53:02,213 INFO L130 PetriNetUnfolder]: For 12184/12199 co-relation queries the response was YES. [2021-03-26 07:53:02,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6982 conditions, 901 events. 476/901 cut-off events. For 12184/12199 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4884 event pairs, 74 based on Foata normal form. 11/911 useless extension candidates. Maximal degree in co-relation 6907. Up to 714 conditions per place. [2021-03-26 07:53:02,221 INFO L132 encePairwiseOnDemand]: 76/98 looper letters, 198 selfloop transitions, 85 changer transitions 2/293 dead transitions. [2021-03-26 07:53:02,221 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 293 transitions, 4113 flow [2021-03-26 07:53:02,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:53:02,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:53:02,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 512 transitions. [2021-03-26 07:53:02,222 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32653061224489793 [2021-03-26 07:53:02,222 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 512 transitions. [2021-03-26 07:53:02,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 512 transitions. [2021-03-26 07:53:02,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:02,222 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 512 transitions. [2021-03-26 07:53:02,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.0) internal successors, (512), 16 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:02,224 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 98.0) internal successors, (1666), 17 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:02,224 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 98.0) internal successors, (1666), 17 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:02,224 INFO L185 Difference]: Start difference. First operand has 176 places, 259 transitions, 3029 flow. Second operand 16 states and 512 transitions. [2021-03-26 07:53:02,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 293 transitions, 4113 flow [2021-03-26 07:53:02,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 293 transitions, 3930 flow, removed 24 selfloop flow, removed 9 redundant places. [2021-03-26 07:53:02,281 INFO L241 Difference]: Finished difference. Result has 186 places, 267 transitions, 3206 flow [2021-03-26 07:53:02,282 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=2848, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=3206, PETRI_PLACES=186, PETRI_TRANSITIONS=267} [2021-03-26 07:53:02,282 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 147 predicate places. [2021-03-26 07:53:02,282 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:02,282 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 186 places, 267 transitions, 3206 flow [2021-03-26 07:53:02,282 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 186 places, 267 transitions, 3206 flow [2021-03-26 07:53:02,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 184 places, 267 transitions, 3206 flow [2021-03-26 07:53:02,332 INFO L129 PetriNetUnfolder]: 298/651 cut-off events. [2021-03-26 07:53:02,332 INFO L130 PetriNetUnfolder]: For 8358/8470 co-relation queries the response was YES. [2021-03-26 07:53:02,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4635 conditions, 651 events. 298/651 cut-off events. For 8358/8470 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 3782 event pairs, 13 based on Foata normal form. 12/649 useless extension candidates. Maximal degree in co-relation 4563. Up to 346 conditions per place. [2021-03-26 07:53:02,340 INFO L142 LiptonReduction]: Number of co-enabled transitions 434 [2021-03-26 07:53:02,382 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 07:53:02,383 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:53:02,383 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 101 [2021-03-26 07:53:02,383 INFO L480 AbstractCegarLoop]: Abstraction has has 184 places, 267 transitions, 3207 flow [2021-03-26 07:53:02,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:02,383 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:02,383 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:02,383 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-26 07:53:02,383 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:02,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:02,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1568994048, now seen corresponding path program 1 times [2021-03-26 07:53:02,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:02,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485801606] [2021-03-26 07:53:02,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:02,394 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:02,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:02,398 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:02,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:02,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:02,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:02,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:02,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:02,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:02,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:02,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:02,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:02,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:02,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:02,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:02,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:02,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:02,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:02,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:02,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:02,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:02,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485801606] [2021-03-26 07:53:02,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:02,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:53:02,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547591741] [2021-03-26 07:53:02,464 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:53:02,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:02,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:53:02,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:53:02,464 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 99 [2021-03-26 07:53:02,464 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 267 transitions, 3207 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:02,464 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:02,464 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 99 [2021-03-26 07:53:02,464 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:02,844 INFO L129 PetriNetUnfolder]: 475/893 cut-off events. [2021-03-26 07:53:02,844 INFO L130 PetriNetUnfolder]: For 12749/12764 co-relation queries the response was YES. [2021-03-26 07:53:02,849 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7019 conditions, 893 events. 475/893 cut-off events. For 12749/12764 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4801 event pairs, 99 based on Foata normal form. 11/903 useless extension candidates. Maximal degree in co-relation 6945. Up to 741 conditions per place. [2021-03-26 07:53:02,852 INFO L132 encePairwiseOnDemand]: 80/99 looper letters, 220 selfloop transitions, 57 changer transitions 4/289 dead transitions. [2021-03-26 07:53:02,853 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 289 transitions, 4049 flow [2021-03-26 07:53:02,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:53:02,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:53:02,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 426 transitions. [2021-03-26 07:53:02,854 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.331002331002331 [2021-03-26 07:53:02,854 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 426 transitions. [2021-03-26 07:53:02,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 426 transitions. [2021-03-26 07:53:02,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:02,854 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 426 transitions. [2021-03-26 07:53:02,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.76923076923077) internal successors, (426), 13 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:02,855 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 99.0) internal successors, (1386), 14 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:02,855 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 99.0) internal successors, (1386), 14 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:02,855 INFO L185 Difference]: Start difference. First operand has 184 places, 267 transitions, 3207 flow. Second operand 13 states and 426 transitions. [2021-03-26 07:53:02,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 289 transitions, 4049 flow [2021-03-26 07:53:02,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 289 transitions, 3852 flow, removed 57 selfloop flow, removed 9 redundant places. [2021-03-26 07:53:02,904 INFO L241 Difference]: Finished difference. Result has 188 places, 263 transitions, 3076 flow [2021-03-26 07:53:02,904 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=3016, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3076, PETRI_PLACES=188, PETRI_TRANSITIONS=263} [2021-03-26 07:53:02,904 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 149 predicate places. [2021-03-26 07:53:02,904 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:02,905 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 188 places, 263 transitions, 3076 flow [2021-03-26 07:53:02,905 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 188 places, 263 transitions, 3076 flow [2021-03-26 07:53:02,906 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 184 places, 263 transitions, 3076 flow [2021-03-26 07:53:02,953 INFO L129 PetriNetUnfolder]: 310/657 cut-off events. [2021-03-26 07:53:02,953 INFO L130 PetriNetUnfolder]: For 8139/8270 co-relation queries the response was YES. [2021-03-26 07:53:02,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4713 conditions, 657 events. 310/657 cut-off events. For 8139/8270 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 3784 event pairs, 19 based on Foata normal form. 11/647 useless extension candidates. Maximal degree in co-relation 4643. Up to 343 conditions per place. [2021-03-26 07:53:02,960 INFO L142 LiptonReduction]: Number of co-enabled transitions 428 [2021-03-26 07:53:02,969 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:02,970 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:02,970 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 66 [2021-03-26 07:53:02,970 INFO L480 AbstractCegarLoop]: Abstraction has has 184 places, 263 transitions, 3076 flow [2021-03-26 07:53:02,970 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:02,970 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:02,970 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:02,970 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-26 07:53:02,971 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:02,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:02,971 INFO L82 PathProgramCache]: Analyzing trace with hash -2136429689, now seen corresponding path program 1 times [2021-03-26 07:53:02,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:02,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975039183] [2021-03-26 07:53:02,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:02,981 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:02,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:02,985 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:02,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:02,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:02,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:02,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:02,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:03,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:03,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:53:03,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:03,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:03,027 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 07:53:03,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 07:53:03,050 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 07:53:03,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:53:03,075 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-26 07:53:03,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 07:53:03,102 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:03,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:03,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:03,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975039183] [2021-03-26 07:53:03,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:03,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:03,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742389032] [2021-03-26 07:53:03,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:03,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:03,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:03,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:03,105 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 99 [2021-03-26 07:53:03,105 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 263 transitions, 3076 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:03,105 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:03,105 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 99 [2021-03-26 07:53:03,105 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:03,546 INFO L129 PetriNetUnfolder]: 473/892 cut-off events. [2021-03-26 07:53:03,547 INFO L130 PetriNetUnfolder]: For 11948/11986 co-relation queries the response was YES. [2021-03-26 07:53:03,551 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6963 conditions, 892 events. 473/892 cut-off events. For 11948/11986 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4815 event pairs, 86 based on Foata normal form. 25/916 useless extension candidates. Maximal degree in co-relation 6891. Up to 675 conditions per place. [2021-03-26 07:53:03,555 INFO L132 encePairwiseOnDemand]: 74/99 looper letters, 161 selfloop transitions, 110 changer transitions 2/281 dead transitions. [2021-03-26 07:53:03,555 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 281 transitions, 3840 flow [2021-03-26 07:53:03,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:53:03,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:53:03,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 433 transitions. [2021-03-26 07:53:03,556 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33644133644133645 [2021-03-26 07:53:03,556 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 433 transitions. [2021-03-26 07:53:03,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 433 transitions. [2021-03-26 07:53:03,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:03,556 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 433 transitions. [2021-03-26 07:53:03,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 33.30769230769231) internal successors, (433), 13 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:03,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 99.0) internal successors, (1386), 14 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:03,558 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 99.0) internal successors, (1386), 14 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:03,558 INFO L185 Difference]: Start difference. First operand has 184 places, 263 transitions, 3076 flow. Second operand 13 states and 433 transitions. [2021-03-26 07:53:03,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 281 transitions, 3840 flow [2021-03-26 07:53:03,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 281 transitions, 3709 flow, removed 2 selfloop flow, removed 14 redundant places. [2021-03-26 07:53:03,605 INFO L241 Difference]: Finished difference. Result has 185 places, 264 transitions, 3225 flow [2021-03-26 07:53:03,605 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=2945, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3225, PETRI_PLACES=185, PETRI_TRANSITIONS=264} [2021-03-26 07:53:03,605 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 146 predicate places. [2021-03-26 07:53:03,605 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:03,605 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 185 places, 264 transitions, 3225 flow [2021-03-26 07:53:03,605 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 185 places, 264 transitions, 3225 flow [2021-03-26 07:53:03,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 184 places, 264 transitions, 3225 flow [2021-03-26 07:53:03,661 INFO L129 PetriNetUnfolder]: 300/639 cut-off events. [2021-03-26 07:53:03,661 INFO L130 PetriNetUnfolder]: For 8444/8572 co-relation queries the response was YES. [2021-03-26 07:53:03,664 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4768 conditions, 639 events. 300/639 cut-off events. For 8444/8572 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 3698 event pairs, 15 based on Foata normal form. 13/627 useless extension candidates. Maximal degree in co-relation 4692. Up to 339 conditions per place. [2021-03-26 07:53:03,670 INFO L142 LiptonReduction]: Number of co-enabled transitions 428 [2021-03-26 07:53:03,680 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:03,680 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:03,680 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 75 [2021-03-26 07:53:03,680 INFO L480 AbstractCegarLoop]: Abstraction has has 184 places, 264 transitions, 3225 flow [2021-03-26 07:53:03,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:03,681 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:03,681 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:03,681 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-26 07:53:03,681 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:03,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:03,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1282312327, now seen corresponding path program 2 times [2021-03-26 07:53:03,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:03,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638414540] [2021-03-26 07:53:03,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:03,692 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:03,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:03,696 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:03,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:03,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:03,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:03,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:03,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:03,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:03,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:53:03,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:03,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:03,742 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 07:53:03,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 07:53:03,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:03,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:03,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:03,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:03,790 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:03,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:03,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:03,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638414540] [2021-03-26 07:53:03,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:03,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:03,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252927465] [2021-03-26 07:53:03,793 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:03,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:03,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:03,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:03,794 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 99 [2021-03-26 07:53:03,794 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 264 transitions, 3225 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:03,794 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:03,794 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 99 [2021-03-26 07:53:03,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:04,248 INFO L129 PetriNetUnfolder]: 473/893 cut-off events. [2021-03-26 07:53:04,248 INFO L130 PetriNetUnfolder]: For 13216/13231 co-relation queries the response was YES. [2021-03-26 07:53:04,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7191 conditions, 893 events. 473/893 cut-off events. For 13216/13231 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4805 event pairs, 98 based on Foata normal form. 11/903 useless extension candidates. Maximal degree in co-relation 7112. Up to 726 conditions per place. [2021-03-26 07:53:04,256 INFO L132 encePairwiseOnDemand]: 77/99 looper letters, 195 selfloop transitions, 80 changer transitions 3/286 dead transitions. [2021-03-26 07:53:04,256 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 286 transitions, 4061 flow [2021-03-26 07:53:04,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:53:04,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:53:04,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 505 transitions. [2021-03-26 07:53:04,257 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3188131313131313 [2021-03-26 07:53:04,257 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 505 transitions. [2021-03-26 07:53:04,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 505 transitions. [2021-03-26 07:53:04,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:04,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 505 transitions. [2021-03-26 07:53:04,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.5625) internal successors, (505), 16 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:04,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 99.0) internal successors, (1683), 17 states have internal predecessors, (1683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:04,259 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 99.0) internal successors, (1683), 17 states have internal predecessors, (1683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:04,259 INFO L185 Difference]: Start difference. First operand has 184 places, 264 transitions, 3225 flow. Second operand 16 states and 505 transitions. [2021-03-26 07:53:04,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 286 transitions, 4061 flow [2021-03-26 07:53:04,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 286 transitions, 3763 flow, removed 16 selfloop flow, removed 13 redundant places. [2021-03-26 07:53:04,306 INFO L241 Difference]: Finished difference. Result has 190 places, 268 transitions, 3155 flow [2021-03-26 07:53:04,306 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=2933, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=3155, PETRI_PLACES=190, PETRI_TRANSITIONS=268} [2021-03-26 07:53:04,306 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 151 predicate places. [2021-03-26 07:53:04,306 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:04,307 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 190 places, 268 transitions, 3155 flow [2021-03-26 07:53:04,307 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 190 places, 268 transitions, 3155 flow [2021-03-26 07:53:04,308 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 188 places, 268 transitions, 3155 flow [2021-03-26 07:53:04,353 INFO L129 PetriNetUnfolder]: 296/644 cut-off events. [2021-03-26 07:53:04,354 INFO L130 PetriNetUnfolder]: For 8619/8751 co-relation queries the response was YES. [2021-03-26 07:53:04,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4675 conditions, 644 events. 296/644 cut-off events. For 8619/8751 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3811 event pairs, 17 based on Foata normal form. 14/634 useless extension candidates. Maximal degree in co-relation 4602. Up to 332 conditions per place. [2021-03-26 07:53:04,361 INFO L142 LiptonReduction]: Number of co-enabled transitions 430 [2021-03-26 07:53:04,399 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:04,400 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:53:04,400 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 94 [2021-03-26 07:53:04,400 INFO L480 AbstractCegarLoop]: Abstraction has has 188 places, 268 transitions, 3174 flow [2021-03-26 07:53:04,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:04,400 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:04,400 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:04,400 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-26 07:53:04,400 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:04,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:04,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1319306334, now seen corresponding path program 3 times [2021-03-26 07:53:04,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:04,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816150738] [2021-03-26 07:53:04,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:04,410 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:04,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:04,414 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:04,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:04,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:04,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:04,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:04,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:04,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:04,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:04,446 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:53:04,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:53:04,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:04,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:04,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:04,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:04,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:04,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:04,497 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:04,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:04,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:04,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816150738] [2021-03-26 07:53:04,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:04,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:04,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901338426] [2021-03-26 07:53:04,499 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:04,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:04,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:04,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:04,500 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 100 [2021-03-26 07:53:04,500 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 268 transitions, 3174 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:04,500 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:04,500 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 100 [2021-03-26 07:53:04,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:04,951 INFO L129 PetriNetUnfolder]: 497/940 cut-off events. [2021-03-26 07:53:04,951 INFO L130 PetriNetUnfolder]: For 15151/15173 co-relation queries the response was YES. [2021-03-26 07:53:04,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7706 conditions, 940 events. 497/940 cut-off events. For 15151/15173 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 5195 event pairs, 81 based on Foata normal form. 18/957 useless extension candidates. Maximal degree in co-relation 7630. Up to 771 conditions per place. [2021-03-26 07:53:04,958 INFO L132 encePairwiseOnDemand]: 80/100 looper letters, 253 selfloop transitions, 60 changer transitions 3/324 dead transitions. [2021-03-26 07:53:04,959 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 324 transitions, 4707 flow [2021-03-26 07:53:04,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:53:04,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:53:04,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 480 transitions. [2021-03-26 07:53:04,960 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32 [2021-03-26 07:53:04,960 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 480 transitions. [2021-03-26 07:53:04,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 480 transitions. [2021-03-26 07:53:04,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:04,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 480 transitions. [2021-03-26 07:53:04,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.0) internal successors, (480), 15 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:04,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 100.0) internal successors, (1600), 16 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:04,961 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 100.0) internal successors, (1600), 16 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:04,961 INFO L185 Difference]: Start difference. First operand has 188 places, 268 transitions, 3174 flow. Second operand 15 states and 480 transitions. [2021-03-26 07:53:04,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 324 transitions, 4707 flow [2021-03-26 07:53:05,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 324 transitions, 4459 flow, removed 36 selfloop flow, removed 11 redundant places. [2021-03-26 07:53:05,011 INFO L241 Difference]: Finished difference. Result has 198 places, 291 transitions, 3559 flow [2021-03-26 07:53:05,011 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=2968, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=3559, PETRI_PLACES=198, PETRI_TRANSITIONS=291} [2021-03-26 07:53:05,011 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 159 predicate places. [2021-03-26 07:53:05,012 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:05,012 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 198 places, 291 transitions, 3559 flow [2021-03-26 07:53:05,012 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 198 places, 291 transitions, 3559 flow [2021-03-26 07:53:05,013 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 196 places, 291 transitions, 3559 flow [2021-03-26 07:53:05,068 INFO L129 PetriNetUnfolder]: 316/689 cut-off events. [2021-03-26 07:53:05,069 INFO L130 PetriNetUnfolder]: For 10994/11114 co-relation queries the response was YES. [2021-03-26 07:53:05,072 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5270 conditions, 689 events. 316/689 cut-off events. For 10994/11114 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4111 event pairs, 18 based on Foata normal form. 12/676 useless extension candidates. Maximal degree in co-relation 5192. Up to 362 conditions per place. [2021-03-26 07:53:05,077 INFO L142 LiptonReduction]: Number of co-enabled transitions 454 [2021-03-26 07:53:05,148 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 07:53:05,148 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 07:53:05,148 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 136 [2021-03-26 07:53:05,149 INFO L480 AbstractCegarLoop]: Abstraction has has 196 places, 291 transitions, 3571 flow [2021-03-26 07:53:05,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:05,149 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:05,149 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:05,149 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-03-26 07:53:05,149 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:05,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:05,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1724831999, now seen corresponding path program 1 times [2021-03-26 07:53:05,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:05,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779774564] [2021-03-26 07:53:05,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:05,159 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:05,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:05,163 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:05,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:05,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:05,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:05,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:05,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:05,186 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 07:53:05,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 07:53:05,199 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-26 07:53:05,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 07:53:05,214 INFO L142 QuantifierPusher]: treesize reduction 49, result has 36.4 percent of original size [2021-03-26 07:53:05,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 07:53:05,231 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 07:53:05,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:05,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:05,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:05,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:05,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:05,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:05,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779774564] [2021-03-26 07:53:05,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:05,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:53:05,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198651279] [2021-03-26 07:53:05,244 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:53:05,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:05,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:53:05,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:53:05,245 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 102 [2021-03-26 07:53:05,245 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 291 transitions, 3571 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:05,245 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:05,245 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 102 [2021-03-26 07:53:05,245 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:05,694 INFO L129 PetriNetUnfolder]: 544/1015 cut-off events. [2021-03-26 07:53:05,694 INFO L130 PetriNetUnfolder]: For 18282/18297 co-relation queries the response was YES. [2021-03-26 07:53:05,699 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8494 conditions, 1015 events. 544/1015 cut-off events. For 18282/18297 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5648 event pairs, 100 based on Foata normal form. 14/1027 useless extension candidates. Maximal degree in co-relation 8413. Up to 764 conditions per place. [2021-03-26 07:53:05,703 INFO L132 encePairwiseOnDemand]: 79/102 looper letters, 198 selfloop transitions, 135 changer transitions 2/343 dead transitions. [2021-03-26 07:53:05,703 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 343 transitions, 4951 flow [2021-03-26 07:53:05,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:53:05,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:53:05,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 493 transitions. [2021-03-26 07:53:05,704 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32222222222222224 [2021-03-26 07:53:05,704 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 493 transitions. [2021-03-26 07:53:05,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 493 transitions. [2021-03-26 07:53:05,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:05,704 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 493 transitions. [2021-03-26 07:53:05,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.86666666666667) internal successors, (493), 15 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:05,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 102.0) internal successors, (1632), 16 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:05,706 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 102.0) internal successors, (1632), 16 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:05,706 INFO L185 Difference]: Start difference. First operand has 196 places, 291 transitions, 3571 flow. Second operand 15 states and 493 transitions. [2021-03-26 07:53:05,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 343 transitions, 4951 flow [2021-03-26 07:53:05,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 343 transitions, 4785 flow, removed 71 selfloop flow, removed 5 redundant places. [2021-03-26 07:53:05,779 INFO L241 Difference]: Finished difference. Result has 210 places, 320 transitions, 4200 flow [2021-03-26 07:53:05,780 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=3407, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=4200, PETRI_PLACES=210, PETRI_TRANSITIONS=320} [2021-03-26 07:53:05,780 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 171 predicate places. [2021-03-26 07:53:05,780 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:05,780 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 210 places, 320 transitions, 4200 flow [2021-03-26 07:53:05,780 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 210 places, 320 transitions, 4200 flow [2021-03-26 07:53:05,782 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 210 places, 320 transitions, 4200 flow [2021-03-26 07:53:05,840 INFO L129 PetriNetUnfolder]: 334/723 cut-off events. [2021-03-26 07:53:05,841 INFO L130 PetriNetUnfolder]: For 12271/12382 co-relation queries the response was YES. [2021-03-26 07:53:05,845 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5828 conditions, 723 events. 334/723 cut-off events. For 12271/12382 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 4380 event pairs, 17 based on Foata normal form. 17/721 useless extension candidates. Maximal degree in co-relation 5733. Up to 378 conditions per place. [2021-03-26 07:53:05,849 INFO L142 LiptonReduction]: Number of co-enabled transitions 500 [2021-03-26 07:53:05,862 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:05,862 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:05,862 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 82 [2021-03-26 07:53:05,862 INFO L480 AbstractCegarLoop]: Abstraction has has 210 places, 320 transitions, 4200 flow [2021-03-26 07:53:05,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:05,863 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:05,863 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:05,863 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-26 07:53:05,863 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:05,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:05,863 INFO L82 PathProgramCache]: Analyzing trace with hash -100255853, now seen corresponding path program 1 times [2021-03-26 07:53:05,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:05,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44794232] [2021-03-26 07:53:05,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:05,873 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:05,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:05,877 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:05,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:05,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:05,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:05,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:05,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:05,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:05,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:05,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:05,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:05,917 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.9 percent of original size [2021-03-26 07:53:05,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 07:53:05,937 INFO L142 QuantifierPusher]: treesize reduction 23, result has 53.1 percent of original size [2021-03-26 07:53:05,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:53:05,958 INFO L142 QuantifierPusher]: treesize reduction 23, result has 53.1 percent of original size [2021-03-26 07:53:05,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:53:05,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:05,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:05,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:05,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44794232] [2021-03-26 07:53:05,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:05,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:05,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520525947] [2021-03-26 07:53:05,982 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:05,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:05,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:05,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:05,982 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 102 [2021-03-26 07:53:05,983 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 320 transitions, 4200 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:05,983 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:05,983 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 102 [2021-03-26 07:53:05,983 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:06,383 INFO L129 PetriNetUnfolder]: 556/1043 cut-off events. [2021-03-26 07:53:06,383 INFO L130 PetriNetUnfolder]: For 20051/20055 co-relation queries the response was YES. [2021-03-26 07:53:06,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9188 conditions, 1043 events. 556/1043 cut-off events. For 20051/20055 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 5876 event pairs, 115 based on Foata normal form. 5/1047 useless extension candidates. Maximal degree in co-relation 9089. Up to 881 conditions per place. [2021-03-26 07:53:06,392 INFO L132 encePairwiseOnDemand]: 85/102 looper letters, 282 selfloop transitions, 56 changer transitions 2/348 dead transitions. [2021-03-26 07:53:06,392 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 348 transitions, 5279 flow [2021-03-26 07:53:06,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:53:06,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:53:06,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 422 transitions. [2021-03-26 07:53:06,393 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31825037707390647 [2021-03-26 07:53:06,393 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 422 transitions. [2021-03-26 07:53:06,393 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 422 transitions. [2021-03-26 07:53:06,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:06,394 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 422 transitions. [2021-03-26 07:53:06,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.46153846153846) internal successors, (422), 13 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:06,395 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 102.0) internal successors, (1428), 14 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:06,395 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 102.0) internal successors, (1428), 14 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:06,395 INFO L185 Difference]: Start difference. First operand has 210 places, 320 transitions, 4200 flow. Second operand 13 states and 422 transitions. [2021-03-26 07:53:06,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 348 transitions, 5279 flow [2021-03-26 07:53:06,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 348 transitions, 5089 flow, removed 71 selfloop flow, removed 5 redundant places. [2021-03-26 07:53:06,467 INFO L241 Difference]: Finished difference. Result has 223 places, 328 transitions, 4291 flow [2021-03-26 07:53:06,467 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=4012, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=4291, PETRI_PLACES=223, PETRI_TRANSITIONS=328} [2021-03-26 07:53:06,467 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 184 predicate places. [2021-03-26 07:53:06,467 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:06,468 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 223 places, 328 transitions, 4291 flow [2021-03-26 07:53:06,468 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 223 places, 328 transitions, 4291 flow [2021-03-26 07:53:06,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 222 places, 328 transitions, 4291 flow [2021-03-26 07:53:06,531 INFO L129 PetriNetUnfolder]: 352/754 cut-off events. [2021-03-26 07:53:06,531 INFO L130 PetriNetUnfolder]: For 14249/14398 co-relation queries the response was YES. [2021-03-26 07:53:06,535 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6191 conditions, 754 events. 352/754 cut-off events. For 14249/14398 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 4609 event pairs, 22 based on Foata normal form. 12/741 useless extension candidates. Maximal degree in co-relation 6089. Up to 366 conditions per place. [2021-03-26 07:53:06,539 INFO L142 LiptonReduction]: Number of co-enabled transitions 510 [2021-03-26 07:53:06,553 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:06,553 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:06,553 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 86 [2021-03-26 07:53:06,553 INFO L480 AbstractCegarLoop]: Abstraction has has 222 places, 328 transitions, 4291 flow [2021-03-26 07:53:06,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:06,553 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:06,553 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:06,554 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-03-26 07:53:06,554 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:06,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:06,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1957567918, now seen corresponding path program 1 times [2021-03-26 07:53:06,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:06,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654703311] [2021-03-26 07:53:06,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:06,563 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:06,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:06,567 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:06,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:06,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:06,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:06,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:06,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:06,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:06,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:06,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:06,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:06,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:06,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:06,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:06,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:06,629 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:53:06,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:06,642 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:06,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:06,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:06,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654703311] [2021-03-26 07:53:06,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:06,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:06,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245960901] [2021-03-26 07:53:06,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:06,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:06,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:06,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:06,645 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 102 [2021-03-26 07:53:06,646 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 328 transitions, 4291 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:06,646 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:06,646 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 102 [2021-03-26 07:53:06,646 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:07,208 INFO L129 PetriNetUnfolder]: 557/1051 cut-off events. [2021-03-26 07:53:07,209 INFO L130 PetriNetUnfolder]: For 21372/21387 co-relation queries the response was YES. [2021-03-26 07:53:07,216 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9309 conditions, 1051 events. 557/1051 cut-off events. For 21372/21387 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 5968 event pairs, 53 based on Foata normal form. 14/1064 useless extension candidates. Maximal degree in co-relation 9203. Up to 755 conditions per place. [2021-03-26 07:53:07,220 INFO L132 encePairwiseOnDemand]: 81/102 looper letters, 216 selfloop transitions, 134 changer transitions 2/360 dead transitions. [2021-03-26 07:53:07,220 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 360 transitions, 5502 flow [2021-03-26 07:53:07,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 07:53:07,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 07:53:07,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 552 transitions. [2021-03-26 07:53:07,221 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31833910034602075 [2021-03-26 07:53:07,221 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 552 transitions. [2021-03-26 07:53:07,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 552 transitions. [2021-03-26 07:53:07,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:07,222 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 552 transitions. [2021-03-26 07:53:07,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.470588235294116) internal successors, (552), 17 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:07,223 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 102.0) internal successors, (1836), 18 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:07,223 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 102.0) internal successors, (1836), 18 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:07,223 INFO L185 Difference]: Start difference. First operand has 222 places, 328 transitions, 4291 flow. Second operand 17 states and 552 transitions. [2021-03-26 07:53:07,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 360 transitions, 5502 flow [2021-03-26 07:53:07,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 360 transitions, 5404 flow, removed 23 selfloop flow, removed 6 redundant places. [2021-03-26 07:53:07,315 INFO L241 Difference]: Finished difference. Result has 236 places, 333 transitions, 4597 flow [2021-03-26 07:53:07,316 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=4193, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=4597, PETRI_PLACES=236, PETRI_TRANSITIONS=333} [2021-03-26 07:53:07,316 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 197 predicate places. [2021-03-26 07:53:07,316 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:07,316 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 236 places, 333 transitions, 4597 flow [2021-03-26 07:53:07,316 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 236 places, 333 transitions, 4597 flow [2021-03-26 07:53:07,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 235 places, 333 transitions, 4597 flow [2021-03-26 07:53:07,387 INFO L129 PetriNetUnfolder]: 358/755 cut-off events. [2021-03-26 07:53:07,387 INFO L130 PetriNetUnfolder]: For 15461/15590 co-relation queries the response was YES. [2021-03-26 07:53:07,392 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6515 conditions, 755 events. 358/755 cut-off events. For 15461/15590 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 4568 event pairs, 21 based on Foata normal form. 14/744 useless extension candidates. Maximal degree in co-relation 6411. Up to 374 conditions per place. [2021-03-26 07:53:07,398 INFO L142 LiptonReduction]: Number of co-enabled transitions 510 [2021-03-26 07:53:07,446 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:07,446 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:53:07,446 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 130 [2021-03-26 07:53:07,447 INFO L480 AbstractCegarLoop]: Abstraction has has 235 places, 333 transitions, 4602 flow [2021-03-26 07:53:07,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:07,447 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:07,447 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:07,447 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-26 07:53:07,447 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:07,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:07,447 INFO L82 PathProgramCache]: Analyzing trace with hash -635705760, now seen corresponding path program 2 times [2021-03-26 07:53:07,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:07,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372638262] [2021-03-26 07:53:07,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:07,456 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:07,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:07,461 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:07,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:07,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:07,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:07,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:07,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:07,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:07,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:07,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:07,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:07,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:07,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:07,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:07,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:07,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:07,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:07,534 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:07,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:07,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:07,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372638262] [2021-03-26 07:53:07,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:07,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:07,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506144930] [2021-03-26 07:53:07,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:07,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:07,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:07,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:07,537 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 103 [2021-03-26 07:53:07,538 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 333 transitions, 4602 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:07,538 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:07,538 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 103 [2021-03-26 07:53:07,538 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:08,020 INFO L129 PetriNetUnfolder]: 564/1063 cut-off events. [2021-03-26 07:53:08,020 INFO L130 PetriNetUnfolder]: For 23975/23990 co-relation queries the response was YES. [2021-03-26 07:53:08,027 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9899 conditions, 1063 events. 564/1063 cut-off events. For 23975/23990 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 6036 event pairs, 128 based on Foata normal form. 11/1073 useless extension candidates. Maximal degree in co-relation 9791. Up to 900 conditions per place. [2021-03-26 07:53:08,031 INFO L132 encePairwiseOnDemand]: 82/103 looper letters, 284 selfloop transitions, 69 changer transitions 1/362 dead transitions. [2021-03-26 07:53:08,031 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 362 transitions, 5819 flow [2021-03-26 07:53:08,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:53:08,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:53:08,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 458 transitions. [2021-03-26 07:53:08,032 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31761442441054094 [2021-03-26 07:53:08,032 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 458 transitions. [2021-03-26 07:53:08,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 458 transitions. [2021-03-26 07:53:08,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:08,033 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 458 transitions. [2021-03-26 07:53:08,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.714285714285715) internal successors, (458), 14 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:08,034 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 103.0) internal successors, (1545), 15 states have internal predecessors, (1545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:08,034 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 103.0) internal successors, (1545), 15 states have internal predecessors, (1545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:08,034 INFO L185 Difference]: Start difference. First operand has 235 places, 333 transitions, 4602 flow. Second operand 14 states and 458 transitions. [2021-03-26 07:53:08,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 362 transitions, 5819 flow [2021-03-26 07:53:08,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 362 transitions, 5535 flow, removed 29 selfloop flow, removed 12 redundant places. [2021-03-26 07:53:08,126 INFO L241 Difference]: Finished difference. Result has 239 places, 346 transitions, 4810 flow [2021-03-26 07:53:08,127 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=4328, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=4810, PETRI_PLACES=239, PETRI_TRANSITIONS=346} [2021-03-26 07:53:08,127 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 200 predicate places. [2021-03-26 07:53:08,127 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:08,127 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 239 places, 346 transitions, 4810 flow [2021-03-26 07:53:08,127 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 239 places, 346 transitions, 4810 flow [2021-03-26 07:53:08,129 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 239 places, 346 transitions, 4810 flow [2021-03-26 07:53:08,202 INFO L129 PetriNetUnfolder]: 352/768 cut-off events. [2021-03-26 07:53:08,202 INFO L130 PetriNetUnfolder]: For 16911/17000 co-relation queries the response was YES. [2021-03-26 07:53:08,207 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6646 conditions, 768 events. 352/768 cut-off events. For 16911/17000 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 4735 event pairs, 22 based on Foata normal form. 15/763 useless extension candidates. Maximal degree in co-relation 6539. Up to 368 conditions per place. [2021-03-26 07:53:08,213 INFO L142 LiptonReduction]: Number of co-enabled transitions 514 [2021-03-26 07:53:08,264 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:08,264 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:53:08,264 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 137 [2021-03-26 07:53:08,265 INFO L480 AbstractCegarLoop]: Abstraction has has 239 places, 346 transitions, 4835 flow [2021-03-26 07:53:08,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:08,265 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:08,265 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:08,265 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-03-26 07:53:08,265 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:08,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:08,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1603473671, now seen corresponding path program 1 times [2021-03-26 07:53:08,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:08,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729599618] [2021-03-26 07:53:08,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:08,274 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:08,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:08,278 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:08,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:08,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:08,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:08,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:08,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:08,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:08,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:08,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:08,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:08,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:08,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:08,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:08,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:08,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:08,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:08,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:08,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729599618] [2021-03-26 07:53:08,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:08,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 07:53:08,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528277756] [2021-03-26 07:53:08,328 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 07:53:08,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:08,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 07:53:08,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 07:53:08,329 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 104 [2021-03-26 07:53:08,329 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 346 transitions, 4835 flow. Second operand has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:08,329 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:08,329 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 104 [2021-03-26 07:53:08,329 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:08,747 INFO L129 PetriNetUnfolder]: 562/1070 cut-off events. [2021-03-26 07:53:08,747 INFO L130 PetriNetUnfolder]: For 25807/25822 co-relation queries the response was YES. [2021-03-26 07:53:08,754 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9971 conditions, 1070 events. 562/1070 cut-off events. For 25807/25822 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 6173 event pairs, 108 based on Foata normal form. 11/1080 useless extension candidates. Maximal degree in co-relation 9860. Up to 915 conditions per place. [2021-03-26 07:53:08,759 INFO L132 encePairwiseOnDemand]: 83/104 looper letters, 303 selfloop transitions, 52 changer transitions 2/365 dead transitions. [2021-03-26 07:53:08,759 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 365 transitions, 5761 flow [2021-03-26 07:53:08,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 07:53:08,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 07:53:08,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 396 transitions. [2021-03-26 07:53:08,760 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3173076923076923 [2021-03-26 07:53:08,760 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 396 transitions. [2021-03-26 07:53:08,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 396 transitions. [2021-03-26 07:53:08,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:08,760 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 396 transitions. [2021-03-26 07:53:08,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 33.0) internal successors, (396), 12 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:08,761 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:08,762 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:08,762 INFO L185 Difference]: Start difference. First operand has 239 places, 346 transitions, 4835 flow. Second operand 12 states and 396 transitions. [2021-03-26 07:53:08,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 365 transitions, 5761 flow [2021-03-26 07:53:08,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 365 transitions, 5482 flow, removed 116 selfloop flow, removed 6 redundant places. [2021-03-26 07:53:08,866 INFO L241 Difference]: Finished difference. Result has 248 places, 348 transitions, 4693 flow [2021-03-26 07:53:08,866 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=4556, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=4693, PETRI_PLACES=248, PETRI_TRANSITIONS=348} [2021-03-26 07:53:08,866 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 209 predicate places. [2021-03-26 07:53:08,866 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:08,866 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 248 places, 348 transitions, 4693 flow [2021-03-26 07:53:08,866 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 248 places, 348 transitions, 4693 flow [2021-03-26 07:53:08,868 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 246 places, 348 transitions, 4693 flow [2021-03-26 07:53:08,962 INFO L129 PetriNetUnfolder]: 352/773 cut-off events. [2021-03-26 07:53:08,963 INFO L130 PetriNetUnfolder]: For 15914/16078 co-relation queries the response was YES. [2021-03-26 07:53:08,967 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6557 conditions, 773 events. 352/773 cut-off events. For 15914/16078 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 4839 event pairs, 22 based on Foata normal form. 14/762 useless extension candidates. Maximal degree in co-relation 6458. Up to 358 conditions per place. [2021-03-26 07:53:08,973 INFO L142 LiptonReduction]: Number of co-enabled transitions 522 [2021-03-26 07:53:08,988 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:08,988 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:08,988 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 122 [2021-03-26 07:53:08,989 INFO L480 AbstractCegarLoop]: Abstraction has has 246 places, 348 transitions, 4693 flow [2021-03-26 07:53:08,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:08,989 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:08,989 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:08,989 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-03-26 07:53:08,989 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:08,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:08,989 INFO L82 PathProgramCache]: Analyzing trace with hash -137970465, now seen corresponding path program 2 times [2021-03-26 07:53:08,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:08,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896466565] [2021-03-26 07:53:08,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:08,997 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:08,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:09,001 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:09,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:09,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:09,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:09,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:09,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:09,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:09,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:09,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:09,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:09,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:09,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:09,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:09,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:09,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:09,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:09,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:09,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896466565] [2021-03-26 07:53:09,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:09,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:53:09,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114364297] [2021-03-26 07:53:09,061 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:53:09,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:09,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:53:09,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:53:09,062 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 104 [2021-03-26 07:53:09,062 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 348 transitions, 4693 flow. Second operand has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:09,062 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:09,062 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 104 [2021-03-26 07:53:09,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:09,451 INFO L129 PetriNetUnfolder]: 573/1102 cut-off events. [2021-03-26 07:53:09,451 INFO L130 PetriNetUnfolder]: For 25070/25074 co-relation queries the response was YES. [2021-03-26 07:53:09,458 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10219 conditions, 1102 events. 573/1102 cut-off events. For 25070/25074 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 6408 event pairs, 122 based on Foata normal form. 5/1106 useless extension candidates. Maximal degree in co-relation 10118. Up to 947 conditions per place. [2021-03-26 07:53:09,462 INFO L132 encePairwiseOnDemand]: 88/104 looper letters, 331 selfloop transitions, 40 changer transitions 2/381 dead transitions. [2021-03-26 07:53:09,463 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 381 transitions, 5950 flow [2021-03-26 07:53:09,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:53:09,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:53:09,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 416 transitions. [2021-03-26 07:53:09,464 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3076923076923077 [2021-03-26 07:53:09,464 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 416 transitions. [2021-03-26 07:53:09,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 416 transitions. [2021-03-26 07:53:09,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:09,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 416 transitions. [2021-03-26 07:53:09,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.0) internal successors, (416), 13 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:09,466 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 104.0) internal successors, (1456), 14 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:09,466 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 104.0) internal successors, (1456), 14 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:09,466 INFO L185 Difference]: Start difference. First operand has 246 places, 348 transitions, 4693 flow. Second operand 13 states and 416 transitions. [2021-03-26 07:53:09,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 381 transitions, 5950 flow [2021-03-26 07:53:09,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 381 transitions, 5826 flow, removed 2 selfloop flow, removed 9 redundant places. [2021-03-26 07:53:09,567 INFO L241 Difference]: Finished difference. Result has 256 places, 359 transitions, 4913 flow [2021-03-26 07:53:09,567 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=4591, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=4913, PETRI_PLACES=256, PETRI_TRANSITIONS=359} [2021-03-26 07:53:09,567 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 217 predicate places. [2021-03-26 07:53:09,567 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:09,567 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 256 places, 359 transitions, 4913 flow [2021-03-26 07:53:09,567 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 256 places, 359 transitions, 4913 flow [2021-03-26 07:53:09,569 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 254 places, 359 transitions, 4913 flow [2021-03-26 07:53:09,646 INFO L129 PetriNetUnfolder]: 362/801 cut-off events. [2021-03-26 07:53:09,646 INFO L130 PetriNetUnfolder]: For 17206/17340 co-relation queries the response was YES. [2021-03-26 07:53:09,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6933 conditions, 801 events. 362/801 cut-off events. For 17206/17340 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 5084 event pairs, 28 based on Foata normal form. 16/793 useless extension candidates. Maximal degree in co-relation 6829. Up to 378 conditions per place. [2021-03-26 07:53:09,658 INFO L142 LiptonReduction]: Number of co-enabled transitions 530 [2021-03-26 07:53:09,673 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:09,673 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:09,673 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 106 [2021-03-26 07:53:09,673 INFO L480 AbstractCegarLoop]: Abstraction has has 254 places, 359 transitions, 4913 flow [2021-03-26 07:53:09,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:09,674 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:09,674 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:09,674 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-03-26 07:53:09,674 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:09,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:09,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1686797199, now seen corresponding path program 1 times [2021-03-26 07:53:09,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:09,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108167579] [2021-03-26 07:53:09,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:09,682 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:09,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:09,686 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:09,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:09,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:09,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:09,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:09,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:09,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:09,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:09,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:09,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:09,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:09,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:09,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:09,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:09,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:09,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:09,758 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:09,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:09,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:09,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108167579] [2021-03-26 07:53:09,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:09,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:09,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547850061] [2021-03-26 07:53:09,760 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:09,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:09,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:09,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:09,761 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 104 [2021-03-26 07:53:09,761 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 359 transitions, 4913 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:09,761 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:09,761 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 104 [2021-03-26 07:53:09,761 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:10,217 INFO L129 PetriNetUnfolder]: 572/1103 cut-off events. [2021-03-26 07:53:10,217 INFO L130 PetriNetUnfolder]: For 26975/26998 co-relation queries the response was YES. [2021-03-26 07:53:10,224 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10423 conditions, 1103 events. 572/1103 cut-off events. For 26975/26998 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 6477 event pairs, 121 based on Foata normal form. 16/1118 useless extension candidates. Maximal degree in co-relation 10317. Up to 968 conditions per place. [2021-03-26 07:53:10,228 INFO L132 encePairwiseOnDemand]: 89/104 looper letters, 330 selfloop transitions, 35 changer transitions 2/375 dead transitions. [2021-03-26 07:53:10,229 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 375 transitions, 5921 flow [2021-03-26 07:53:10,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:53:10,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:53:10,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 410 transitions. [2021-03-26 07:53:10,230 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3032544378698225 [2021-03-26 07:53:10,230 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 410 transitions. [2021-03-26 07:53:10,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 410 transitions. [2021-03-26 07:53:10,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:10,230 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 410 transitions. [2021-03-26 07:53:10,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.53846153846154) internal successors, (410), 13 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:10,231 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 104.0) internal successors, (1456), 14 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:10,232 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 104.0) internal successors, (1456), 14 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:10,232 INFO L185 Difference]: Start difference. First operand has 254 places, 359 transitions, 4913 flow. Second operand 13 states and 410 transitions. [2021-03-26 07:53:10,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 375 transitions, 5921 flow [2021-03-26 07:53:10,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 375 transitions, 5833 flow, removed 29 selfloop flow, removed 6 redundant places. [2021-03-26 07:53:10,337 INFO L241 Difference]: Finished difference. Result has 264 places, 363 transitions, 5012 flow [2021-03-26 07:53:10,337 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=4825, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=5012, PETRI_PLACES=264, PETRI_TRANSITIONS=363} [2021-03-26 07:53:10,337 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 225 predicate places. [2021-03-26 07:53:10,338 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:10,338 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 264 places, 363 transitions, 5012 flow [2021-03-26 07:53:10,338 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 264 places, 363 transitions, 5012 flow [2021-03-26 07:53:10,340 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 262 places, 363 transitions, 5012 flow [2021-03-26 07:53:10,429 INFO L129 PetriNetUnfolder]: 359/794 cut-off events. [2021-03-26 07:53:10,429 INFO L130 PetriNetUnfolder]: For 18253/18364 co-relation queries the response was YES. [2021-03-26 07:53:10,436 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6973 conditions, 794 events. 359/794 cut-off events. For 18253/18364 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 5036 event pairs, 24 based on Foata normal form. 18/794 useless extension candidates. Maximal degree in co-relation 6864. Up to 373 conditions per place. [2021-03-26 07:53:10,443 INFO L142 LiptonReduction]: Number of co-enabled transitions 528 [2021-03-26 07:53:10,460 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:10,460 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:10,460 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 122 [2021-03-26 07:53:10,461 INFO L480 AbstractCegarLoop]: Abstraction has has 262 places, 363 transitions, 5012 flow [2021-03-26 07:53:10,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:10,461 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:10,461 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:10,461 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-03-26 07:53:10,461 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:10,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:10,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1865007395, now seen corresponding path program 2 times [2021-03-26 07:53:10,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:10,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601797898] [2021-03-26 07:53:10,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:10,478 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:10,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:10,482 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:10,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:10,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:10,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:10,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:10,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:10,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:10,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:10,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:10,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:10,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:10,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:10,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:10,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:10,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:10,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:10,559 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:10,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:10,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:10,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601797898] [2021-03-26 07:53:10,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:10,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:10,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539795512] [2021-03-26 07:53:10,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:10,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:10,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:10,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:10,562 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 104 [2021-03-26 07:53:10,562 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 363 transitions, 5012 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:10,562 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:10,562 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 104 [2021-03-26 07:53:10,562 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:10,994 INFO L129 PetriNetUnfolder]: 571/1101 cut-off events. [2021-03-26 07:53:10,994 INFO L130 PetriNetUnfolder]: For 28214/28229 co-relation queries the response was YES. [2021-03-26 07:53:11,002 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10514 conditions, 1101 events. 571/1101 cut-off events. For 28214/28229 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 6462 event pairs, 120 based on Foata normal form. 11/1111 useless extension candidates. Maximal degree in co-relation 10402. Up to 964 conditions per place. [2021-03-26 07:53:11,006 INFO L132 encePairwiseOnDemand]: 89/104 looper letters, 329 selfloop transitions, 32 changer transitions 6/375 dead transitions. [2021-03-26 07:53:11,007 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 375 transitions, 5899 flow [2021-03-26 07:53:11,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:53:11,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:53:11,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 411 transitions. [2021-03-26 07:53:11,008 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3039940828402367 [2021-03-26 07:53:11,008 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 411 transitions. [2021-03-26 07:53:11,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 411 transitions. [2021-03-26 07:53:11,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:11,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 411 transitions. [2021-03-26 07:53:11,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.615384615384617) internal successors, (411), 13 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:11,010 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 104.0) internal successors, (1456), 14 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:11,010 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 104.0) internal successors, (1456), 14 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:11,010 INFO L185 Difference]: Start difference. First operand has 262 places, 363 transitions, 5012 flow. Second operand 13 states and 411 transitions. [2021-03-26 07:53:11,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 375 transitions, 5899 flow [2021-03-26 07:53:11,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 375 transitions, 5781 flow, removed 39 selfloop flow, removed 7 redundant places. [2021-03-26 07:53:11,127 INFO L241 Difference]: Finished difference. Result has 269 places, 359 transitions, 4912 flow [2021-03-26 07:53:11,128 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=4894, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=4912, PETRI_PLACES=269, PETRI_TRANSITIONS=359} [2021-03-26 07:53:11,128 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 230 predicate places. [2021-03-26 07:53:11,128 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:11,128 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 269 places, 359 transitions, 4912 flow [2021-03-26 07:53:11,128 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 269 places, 359 transitions, 4912 flow [2021-03-26 07:53:11,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 263 places, 359 transitions, 4912 flow [2021-03-26 07:53:11,211 INFO L129 PetriNetUnfolder]: 358/788 cut-off events. [2021-03-26 07:53:11,211 INFO L130 PetriNetUnfolder]: For 18559/18679 co-relation queries the response was YES. [2021-03-26 07:53:11,219 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6959 conditions, 788 events. 358/788 cut-off events. For 18559/18679 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 4970 event pairs, 25 based on Foata normal form. 16/786 useless extension candidates. Maximal degree in co-relation 6848. Up to 366 conditions per place. [2021-03-26 07:53:11,226 INFO L142 LiptonReduction]: Number of co-enabled transitions 528 [2021-03-26 07:53:11,282 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 07:53:11,282 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:53:11,282 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 154 [2021-03-26 07:53:11,283 INFO L480 AbstractCegarLoop]: Abstraction has has 263 places, 359 transitions, 4919 flow [2021-03-26 07:53:11,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:11,283 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:11,283 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:11,283 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-03-26 07:53:11,283 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:11,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:11,283 INFO L82 PathProgramCache]: Analyzing trace with hash -881287295, now seen corresponding path program 1 times [2021-03-26 07:53:11,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:11,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606158890] [2021-03-26 07:53:11,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:11,294 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:11,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:11,298 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:11,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:11,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:11,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:11,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:11,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:11,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:11,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:11,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:11,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:11,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:11,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:11,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:11,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:11,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:11,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:11,372 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:11,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:11,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:11,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606158890] [2021-03-26 07:53:11,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:11,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:11,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875503666] [2021-03-26 07:53:11,375 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:11,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:11,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:11,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:11,375 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 105 [2021-03-26 07:53:11,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 359 transitions, 4919 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:11,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:11,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 105 [2021-03-26 07:53:11,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:11,863 INFO L129 PetriNetUnfolder]: 569/1095 cut-off events. [2021-03-26 07:53:11,864 INFO L130 PetriNetUnfolder]: For 28983/29006 co-relation queries the response was YES. [2021-03-26 07:53:11,870 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10542 conditions, 1095 events. 569/1095 cut-off events. For 28983/29006 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 6409 event pairs, 119 based on Foata normal form. 16/1110 useless extension candidates. Maximal degree in co-relation 10429. Up to 944 conditions per place. [2021-03-26 07:53:11,874 INFO L132 encePairwiseOnDemand]: 89/105 looper letters, 328 selfloop transitions, 40 changer transitions 3/379 dead transitions. [2021-03-26 07:53:11,874 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 379 transitions, 5962 flow [2021-03-26 07:53:11,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:53:11,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:53:11,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 443 transitions. [2021-03-26 07:53:11,875 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3013605442176871 [2021-03-26 07:53:11,875 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 443 transitions. [2021-03-26 07:53:11,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 443 transitions. [2021-03-26 07:53:11,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:11,875 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 443 transitions. [2021-03-26 07:53:11,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.642857142857142) internal successors, (443), 14 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:11,877 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 105.0) internal successors, (1575), 15 states have internal predecessors, (1575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:11,877 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 105.0) internal successors, (1575), 15 states have internal predecessors, (1575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:11,877 INFO L185 Difference]: Start difference. First operand has 263 places, 359 transitions, 4919 flow. Second operand 14 states and 443 transitions. [2021-03-26 07:53:11,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 379 transitions, 5962 flow [2021-03-26 07:53:11,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 379 transitions, 5819 flow, removed 38 selfloop flow, removed 13 redundant places. [2021-03-26 07:53:11,984 INFO L241 Difference]: Finished difference. Result has 266 places, 360 transitions, 4898 flow [2021-03-26 07:53:11,984 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=4794, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=4898, PETRI_PLACES=266, PETRI_TRANSITIONS=360} [2021-03-26 07:53:11,985 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 227 predicate places. [2021-03-26 07:53:11,985 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:11,985 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 266 places, 360 transitions, 4898 flow [2021-03-26 07:53:11,985 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 266 places, 360 transitions, 4898 flow [2021-03-26 07:53:11,987 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 264 places, 360 transitions, 4898 flow [2021-03-26 07:53:12,063 INFO L129 PetriNetUnfolder]: 358/788 cut-off events. [2021-03-26 07:53:12,063 INFO L130 PetriNetUnfolder]: For 17308/17423 co-relation queries the response was YES. [2021-03-26 07:53:12,069 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6822 conditions, 788 events. 358/788 cut-off events. For 17308/17423 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 4995 event pairs, 28 based on Foata normal form. 20/787 useless extension candidates. Maximal degree in co-relation 6713. Up to 363 conditions per place. [2021-03-26 07:53:12,075 INFO L142 LiptonReduction]: Number of co-enabled transitions 526 [2021-03-26 07:53:12,090 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:12,090 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:12,091 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 106 [2021-03-26 07:53:12,091 INFO L480 AbstractCegarLoop]: Abstraction has has 264 places, 360 transitions, 4898 flow [2021-03-26 07:53:12,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:12,091 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:12,091 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:12,091 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-03-26 07:53:12,091 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:12,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:12,092 INFO L82 PathProgramCache]: Analyzing trace with hash 753861509, now seen corresponding path program 2 times [2021-03-26 07:53:12,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:12,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567312269] [2021-03-26 07:53:12,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:12,101 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:12,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:12,105 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:12,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:12,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:12,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:12,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:12,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:12,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:12,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:12,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:12,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:12,145 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.9 percent of original size [2021-03-26 07:53:12,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 07:53:12,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:12,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:12,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:12,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:12,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:12,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:12,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:12,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567312269] [2021-03-26 07:53:12,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:12,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:12,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148796203] [2021-03-26 07:53:12,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:12,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:12,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:12,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:12,185 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 105 [2021-03-26 07:53:12,185 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 360 transitions, 4898 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:12,185 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:12,185 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 105 [2021-03-26 07:53:12,185 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:12,665 INFO L129 PetriNetUnfolder]: 569/1100 cut-off events. [2021-03-26 07:53:12,666 INFO L130 PetriNetUnfolder]: For 27753/27775 co-relation queries the response was YES. [2021-03-26 07:53:12,673 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10416 conditions, 1100 events. 569/1100 cut-off events. For 27753/27775 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 6472 event pairs, 127 based on Foata normal form. 18/1117 useless extension candidates. Maximal degree in co-relation 10304. Up to 936 conditions per place. [2021-03-26 07:53:12,677 INFO L132 encePairwiseOnDemand]: 88/105 looper letters, 313 selfloop transitions, 58 changer transitions 5/384 dead transitions. [2021-03-26 07:53:12,677 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 384 transitions, 6061 flow [2021-03-26 07:53:12,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:53:12,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:53:12,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 503 transitions. [2021-03-26 07:53:12,678 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2994047619047619 [2021-03-26 07:53:12,678 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 503 transitions. [2021-03-26 07:53:12,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 503 transitions. [2021-03-26 07:53:12,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:12,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 503 transitions. [2021-03-26 07:53:12,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.4375) internal successors, (503), 16 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:12,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 105.0) internal successors, (1785), 17 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:12,681 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 105.0) internal successors, (1785), 17 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:12,681 INFO L185 Difference]: Start difference. First operand has 264 places, 360 transitions, 4898 flow. Second operand 16 states and 503 transitions. [2021-03-26 07:53:12,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 384 transitions, 6061 flow [2021-03-26 07:53:12,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 384 transitions, 5957 flow, removed 12 selfloop flow, removed 12 redundant places. [2021-03-26 07:53:12,797 INFO L241 Difference]: Finished difference. Result has 273 places, 366 transitions, 5060 flow [2021-03-26 07:53:12,797 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=4804, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=5060, PETRI_PLACES=273, PETRI_TRANSITIONS=366} [2021-03-26 07:53:12,797 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 234 predicate places. [2021-03-26 07:53:12,797 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:12,797 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 273 places, 366 transitions, 5060 flow [2021-03-26 07:53:12,798 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 273 places, 366 transitions, 5060 flow [2021-03-26 07:53:12,799 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 271 places, 366 transitions, 5060 flow [2021-03-26 07:53:12,878 INFO L129 PetriNetUnfolder]: 358/792 cut-off events. [2021-03-26 07:53:12,878 INFO L130 PetriNetUnfolder]: For 18125/18231 co-relation queries the response was YES. [2021-03-26 07:53:12,883 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6940 conditions, 792 events. 358/792 cut-off events. For 18125/18231 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 5054 event pairs, 25 based on Foata normal form. 14/787 useless extension candidates. Maximal degree in co-relation 6827. Up to 365 conditions per place. [2021-03-26 07:53:12,889 INFO L142 LiptonReduction]: Number of co-enabled transitions 530 [2021-03-26 07:53:12,942 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:12,942 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:53:12,942 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 145 [2021-03-26 07:53:12,943 INFO L480 AbstractCegarLoop]: Abstraction has has 271 places, 366 transitions, 5090 flow [2021-03-26 07:53:12,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:12,943 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:12,943 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:12,943 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-03-26 07:53:12,943 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:12,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:12,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1894730099, now seen corresponding path program 3 times [2021-03-26 07:53:12,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:12,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781491552] [2021-03-26 07:53:12,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:12,952 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:12,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:12,956 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:12,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:12,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:12,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:12,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:12,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:12,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:12,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:12,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:12,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:12,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:12,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:13,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:13,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:13,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:13,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:13,027 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:13,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:13,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:13,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781491552] [2021-03-26 07:53:13,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:13,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:13,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822633266] [2021-03-26 07:53:13,029 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:13,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:13,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:13,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:13,030 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 106 [2021-03-26 07:53:13,030 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 366 transitions, 5090 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:13,030 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:13,030 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 106 [2021-03-26 07:53:13,030 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:13,499 INFO L129 PetriNetUnfolder]: 567/1097 cut-off events. [2021-03-26 07:53:13,499 INFO L130 PetriNetUnfolder]: For 28797/28801 co-relation queries the response was YES. [2021-03-26 07:53:13,506 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10518 conditions, 1097 events. 567/1097 cut-off events. For 28797/28801 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 6373 event pairs, 122 based on Foata normal form. 5/1101 useless extension candidates. Maximal degree in co-relation 10399. Up to 959 conditions per place. [2021-03-26 07:53:13,510 INFO L132 encePairwiseOnDemand]: 91/106 looper letters, 333 selfloop transitions, 34 changer transitions 3/378 dead transitions. [2021-03-26 07:53:13,510 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 378 transitions, 5961 flow [2021-03-26 07:53:13,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:53:13,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:53:13,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 438 transitions. [2021-03-26 07:53:13,511 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29514824797843664 [2021-03-26 07:53:13,511 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 438 transitions. [2021-03-26 07:53:13,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 438 transitions. [2021-03-26 07:53:13,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:13,511 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 438 transitions. [2021-03-26 07:53:13,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.285714285714285) internal successors, (438), 14 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:13,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 106.0) internal successors, (1590), 15 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:13,513 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 106.0) internal successors, (1590), 15 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:13,513 INFO L185 Difference]: Start difference. First operand has 271 places, 366 transitions, 5090 flow. Second operand 14 states and 438 transitions. [2021-03-26 07:53:13,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 378 transitions, 5961 flow [2021-03-26 07:53:13,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 378 transitions, 5741 flow, removed 56 selfloop flow, removed 11 redundant places. [2021-03-26 07:53:13,627 INFO L241 Difference]: Finished difference. Result has 275 places, 365 transitions, 4965 flow [2021-03-26 07:53:13,628 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=4876, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=4965, PETRI_PLACES=275, PETRI_TRANSITIONS=365} [2021-03-26 07:53:13,628 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 236 predicate places. [2021-03-26 07:53:13,628 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:13,628 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 275 places, 365 transitions, 4965 flow [2021-03-26 07:53:13,628 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 275 places, 365 transitions, 4965 flow [2021-03-26 07:53:13,630 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 273 places, 365 transitions, 4965 flow [2021-03-26 07:53:13,706 INFO L129 PetriNetUnfolder]: 355/790 cut-off events. [2021-03-26 07:53:13,707 INFO L130 PetriNetUnfolder]: For 17966/18065 co-relation queries the response was YES. [2021-03-26 07:53:13,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6844 conditions, 790 events. 355/790 cut-off events. For 17966/18065 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 4996 event pairs, 25 based on Foata normal form. 22/793 useless extension candidates. Maximal degree in co-relation 6728. Up to 363 conditions per place. [2021-03-26 07:53:13,718 INFO L142 LiptonReduction]: Number of co-enabled transitions 530 [2021-03-26 07:53:13,821 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:13,821 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 07:53:13,821 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 193 [2021-03-26 07:53:13,821 INFO L480 AbstractCegarLoop]: Abstraction has has 270 places, 363 transitions, 4953 flow [2021-03-26 07:53:13,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:13,822 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:13,822 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:13,822 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-03-26 07:53:13,822 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:13,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:13,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1004271153, now seen corresponding path program 2 times [2021-03-26 07:53:13,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:13,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65062489] [2021-03-26 07:53:13,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:13,831 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:13,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:13,835 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:13,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:13,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:13,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:13,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:13,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:13,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:13,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:13,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:13,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:13,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:13,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:13,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:13,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:13,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:13,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:13,898 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:13,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:13,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:13,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65062489] [2021-03-26 07:53:13,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:13,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:53:13,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479801230] [2021-03-26 07:53:13,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:53:13,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:13,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:53:13,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:53:13,901 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 108 [2021-03-26 07:53:13,901 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 363 transitions, 4953 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:13,901 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:13,901 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 108 [2021-03-26 07:53:13,901 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:14,402 INFO L129 PetriNetUnfolder]: 566/1091 cut-off events. [2021-03-26 07:53:14,402 INFO L130 PetriNetUnfolder]: For 28219/28233 co-relation queries the response was YES. [2021-03-26 07:53:14,411 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10403 conditions, 1091 events. 566/1091 cut-off events. For 28219/28233 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 6313 event pairs, 115 based on Foata normal form. 10/1099 useless extension candidates. Maximal degree in co-relation 10283. Up to 922 conditions per place. [2021-03-26 07:53:14,415 INFO L132 encePairwiseOnDemand]: 87/108 looper letters, 307 selfloop transitions, 57 changer transitions 4/376 dead transitions. [2021-03-26 07:53:14,415 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 376 transitions, 5840 flow [2021-03-26 07:53:14,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:53:14,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:53:14,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 421 transitions. [2021-03-26 07:53:14,416 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29985754985754987 [2021-03-26 07:53:14,416 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 421 transitions. [2021-03-26 07:53:14,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 421 transitions. [2021-03-26 07:53:14,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:14,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 421 transitions. [2021-03-26 07:53:14,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.38461538461539) internal successors, (421), 13 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:14,418 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 108.0) internal successors, (1512), 14 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:14,418 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 108.0) internal successors, (1512), 14 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:14,418 INFO L185 Difference]: Start difference. First operand has 270 places, 363 transitions, 4953 flow. Second operand 13 states and 421 transitions. [2021-03-26 07:53:14,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 376 transitions, 5840 flow [2021-03-26 07:53:14,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 376 transitions, 5725 flow, removed 26 selfloop flow, removed 13 redundant places. [2021-03-26 07:53:14,551 INFO L241 Difference]: Finished difference. Result has 270 places, 360 transitions, 4936 flow [2021-03-26 07:53:14,551 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=4846, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=4936, PETRI_PLACES=270, PETRI_TRANSITIONS=360} [2021-03-26 07:53:14,552 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 231 predicate places. [2021-03-26 07:53:14,552 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:14,552 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 270 places, 360 transitions, 4936 flow [2021-03-26 07:53:14,552 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 270 places, 360 transitions, 4936 flow [2021-03-26 07:53:14,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 266 places, 360 transitions, 4936 flow [2021-03-26 07:53:14,636 INFO L129 PetriNetUnfolder]: 359/788 cut-off events. [2021-03-26 07:53:14,636 INFO L130 PetriNetUnfolder]: For 16704/16810 co-relation queries the response was YES. [2021-03-26 07:53:14,642 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6829 conditions, 788 events. 359/788 cut-off events. For 16704/16810 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 4984 event pairs, 23 based on Foata normal form. 16/784 useless extension candidates. Maximal degree in co-relation 6716. Up to 367 conditions per place. [2021-03-26 07:53:14,648 INFO L142 LiptonReduction]: Number of co-enabled transitions 526 [2021-03-26 07:53:14,663 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:14,663 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:14,663 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 111 [2021-03-26 07:53:14,664 INFO L480 AbstractCegarLoop]: Abstraction has has 266 places, 360 transitions, 4936 flow [2021-03-26 07:53:14,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:14,664 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:14,664 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:14,664 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-03-26 07:53:14,664 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:14,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:14,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1071593845, now seen corresponding path program 1 times [2021-03-26 07:53:14,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:14,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403284616] [2021-03-26 07:53:14,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:14,673 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:14,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:14,677 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:14,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:14,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:14,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:14,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:14,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:14,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:14,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:14,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:14,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:14,718 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:53:14,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:14,728 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:14,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:14,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:14,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403284616] [2021-03-26 07:53:14,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:14,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 07:53:14,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132153275] [2021-03-26 07:53:14,731 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 07:53:14,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:14,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 07:53:14,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 07:53:14,731 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 108 [2021-03-26 07:53:14,731 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 360 transitions, 4936 flow. Second operand has 9 states, 9 states have (on average 27.0) internal successors, (243), 9 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:14,731 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:14,731 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 108 [2021-03-26 07:53:14,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:15,154 INFO L129 PetriNetUnfolder]: 566/1080 cut-off events. [2021-03-26 07:53:15,154 INFO L130 PetriNetUnfolder]: For 25945/25960 co-relation queries the response was YES. [2021-03-26 07:53:15,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10251 conditions, 1080 events. 566/1080 cut-off events. For 25945/25960 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 6217 event pairs, 136 based on Foata normal form. 14/1093 useless extension candidates. Maximal degree in co-relation 10138. Up to 926 conditions per place. [2021-03-26 07:53:15,167 INFO L132 encePairwiseOnDemand]: 94/108 looper letters, 308 selfloop transitions, 49 changer transitions 4/369 dead transitions. [2021-03-26 07:53:15,167 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 369 transitions, 5762 flow [2021-03-26 07:53:15,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 07:53:15,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 07:53:15,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 389 transitions. [2021-03-26 07:53:15,168 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3001543209876543 [2021-03-26 07:53:15,168 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 389 transitions. [2021-03-26 07:53:15,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 389 transitions. [2021-03-26 07:53:15,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:15,168 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 389 transitions. [2021-03-26 07:53:15,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 32.416666666666664) internal successors, (389), 12 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:15,169 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 108.0) internal successors, (1404), 13 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:15,169 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 108.0) internal successors, (1404), 13 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:15,169 INFO L185 Difference]: Start difference. First operand has 266 places, 360 transitions, 4936 flow. Second operand 12 states and 389 transitions. [2021-03-26 07:53:15,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 369 transitions, 5762 flow [2021-03-26 07:53:15,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 369 transitions, 5624 flow, removed 5 selfloop flow, removed 13 redundant places. [2021-03-26 07:53:15,289 INFO L241 Difference]: Finished difference. Result has 266 places, 358 transitions, 4874 flow [2021-03-26 07:53:15,290 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=4800, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=4874, PETRI_PLACES=266, PETRI_TRANSITIONS=358} [2021-03-26 07:53:15,290 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 227 predicate places. [2021-03-26 07:53:15,290 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:15,290 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 266 places, 358 transitions, 4874 flow [2021-03-26 07:53:15,290 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 266 places, 358 transitions, 4874 flow [2021-03-26 07:53:15,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 260 places, 358 transitions, 4874 flow [2021-03-26 07:53:15,370 INFO L129 PetriNetUnfolder]: 357/778 cut-off events. [2021-03-26 07:53:15,370 INFO L130 PetriNetUnfolder]: For 15895/16006 co-relation queries the response was YES. [2021-03-26 07:53:15,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6699 conditions, 778 events. 357/778 cut-off events. For 15895/16006 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 4828 event pairs, 23 based on Foata normal form. 17/777 useless extension candidates. Maximal degree in co-relation 6579. Up to 361 conditions per place. [2021-03-26 07:53:15,382 INFO L142 LiptonReduction]: Number of co-enabled transitions 524 [2021-03-26 07:53:15,397 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:15,397 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:15,397 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 107 [2021-03-26 07:53:15,398 INFO L480 AbstractCegarLoop]: Abstraction has has 260 places, 358 transitions, 4874 flow [2021-03-26 07:53:15,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.0) internal successors, (243), 9 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:15,398 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:15,398 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:15,398 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-03-26 07:53:15,398 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:15,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:15,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1883910899, now seen corresponding path program 1 times [2021-03-26 07:53:15,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:15,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739622028] [2021-03-26 07:53:15,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:15,407 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:15,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:15,411 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:15,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:15,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:15,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:15,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:15,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:15,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:15,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:15,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:15,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:15,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:15,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:15,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:15,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:15,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:15,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:15,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:15,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:15,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:15,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739622028] [2021-03-26 07:53:15,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:15,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:53:15,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299181079] [2021-03-26 07:53:15,478 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:53:15,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:15,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:53:15,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:53:15,479 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 108 [2021-03-26 07:53:15,479 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 358 transitions, 4874 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:15,479 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:15,479 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 108 [2021-03-26 07:53:15,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:15,887 INFO L129 PetriNetUnfolder]: 574/1100 cut-off events. [2021-03-26 07:53:15,887 INFO L130 PetriNetUnfolder]: For 25592/25607 co-relation queries the response was YES. [2021-03-26 07:53:15,895 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10395 conditions, 1100 events. 574/1100 cut-off events. For 25592/25607 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 6391 event pairs, 123 based on Foata normal form. 11/1110 useless extension candidates. Maximal degree in co-relation 10273. Up to 943 conditions per place. [2021-03-26 07:53:15,900 INFO L132 encePairwiseOnDemand]: 90/108 looper letters, 327 selfloop transitions, 46 changer transitions 4/385 dead transitions. [2021-03-26 07:53:15,900 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 385 transitions, 6057 flow [2021-03-26 07:53:15,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:53:15,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:53:15,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 421 transitions. [2021-03-26 07:53:15,901 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29985754985754987 [2021-03-26 07:53:15,901 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 421 transitions. [2021-03-26 07:53:15,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 421 transitions. [2021-03-26 07:53:15,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:15,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 421 transitions. [2021-03-26 07:53:15,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.38461538461539) internal successors, (421), 13 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:15,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 108.0) internal successors, (1512), 14 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:15,902 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 108.0) internal successors, (1512), 14 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:15,902 INFO L185 Difference]: Start difference. First operand has 260 places, 358 transitions, 4874 flow. Second operand 13 states and 421 transitions. [2021-03-26 07:53:15,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 385 transitions, 6057 flow [2021-03-26 07:53:16,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 385 transitions, 5898 flow, removed 15 selfloop flow, removed 11 redundant places. [2021-03-26 07:53:16,007 INFO L241 Difference]: Finished difference. Result has 265 places, 361 transitions, 4933 flow [2021-03-26 07:53:16,007 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=4721, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=4933, PETRI_PLACES=265, PETRI_TRANSITIONS=361} [2021-03-26 07:53:16,007 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 226 predicate places. [2021-03-26 07:53:16,007 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:16,007 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 265 places, 361 transitions, 4933 flow [2021-03-26 07:53:16,008 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 265 places, 361 transitions, 4933 flow [2021-03-26 07:53:16,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 262 places, 361 transitions, 4933 flow [2021-03-26 07:53:16,085 INFO L129 PetriNetUnfolder]: 363/795 cut-off events. [2021-03-26 07:53:16,085 INFO L130 PetriNetUnfolder]: For 17232/17355 co-relation queries the response was YES. [2021-03-26 07:53:16,090 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6939 conditions, 795 events. 363/795 cut-off events. For 17232/17355 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 5043 event pairs, 17 based on Foata normal form. 17/787 useless extension candidates. Maximal degree in co-relation 6829. Up to 379 conditions per place. [2021-03-26 07:53:16,096 INFO L142 LiptonReduction]: Number of co-enabled transitions 528 [2021-03-26 07:53:16,111 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:16,112 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:16,112 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 105 [2021-03-26 07:53:16,112 INFO L480 AbstractCegarLoop]: Abstraction has has 262 places, 361 transitions, 4933 flow [2021-03-26 07:53:16,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:16,112 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:16,112 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:16,112 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-03-26 07:53:16,112 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:16,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:16,113 INFO L82 PathProgramCache]: Analyzing trace with hash 238034920, now seen corresponding path program 3 times [2021-03-26 07:53:16,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:16,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535144396] [2021-03-26 07:53:16,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:16,121 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:16,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:16,124 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:16,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:16,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:16,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:16,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:16,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:16,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:16,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:16,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:16,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:16,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:16,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:16,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:16,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:16,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:16,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:16,196 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:16,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:16,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:16,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535144396] [2021-03-26 07:53:16,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:16,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:16,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764266702] [2021-03-26 07:53:16,199 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:16,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:16,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:16,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:16,200 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 108 [2021-03-26 07:53:16,200 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 361 transitions, 4933 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:16,200 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:16,200 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 108 [2021-03-26 07:53:16,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:16,681 INFO L129 PetriNetUnfolder]: 573/1097 cut-off events. [2021-03-26 07:53:16,681 INFO L130 PetriNetUnfolder]: For 26487/26517 co-relation queries the response was YES. [2021-03-26 07:53:16,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10358 conditions, 1097 events. 573/1097 cut-off events. For 26487/26517 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 6366 event pairs, 109 based on Foata normal form. 23/1119 useless extension candidates. Maximal degree in co-relation 10245. Up to 927 conditions per place. [2021-03-26 07:53:16,694 INFO L132 encePairwiseOnDemand]: 89/108 looper letters, 299 selfloop transitions, 60 changer transitions 6/373 dead transitions. [2021-03-26 07:53:16,694 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 373 transitions, 5798 flow [2021-03-26 07:53:16,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:53:16,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:53:16,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 420 transitions. [2021-03-26 07:53:16,695 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29914529914529914 [2021-03-26 07:53:16,695 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 420 transitions. [2021-03-26 07:53:16,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 420 transitions. [2021-03-26 07:53:16,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:16,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 420 transitions. [2021-03-26 07:53:16,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.30769230769231) internal successors, (420), 13 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:16,697 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 108.0) internal successors, (1512), 14 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:16,697 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 108.0) internal successors, (1512), 14 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:16,697 INFO L185 Difference]: Start difference. First operand has 262 places, 361 transitions, 4933 flow. Second operand 13 states and 420 transitions. [2021-03-26 07:53:16,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 373 transitions, 5798 flow [2021-03-26 07:53:16,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 373 transitions, 5666 flow, removed 30 selfloop flow, removed 10 redundant places. [2021-03-26 07:53:16,801 INFO L241 Difference]: Finished difference. Result has 266 places, 356 transitions, 4864 flow [2021-03-26 07:53:16,801 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=4805, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=4864, PETRI_PLACES=266, PETRI_TRANSITIONS=356} [2021-03-26 07:53:16,801 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 227 predicate places. [2021-03-26 07:53:16,802 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:16,802 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 266 places, 356 transitions, 4864 flow [2021-03-26 07:53:16,802 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 266 places, 356 transitions, 4864 flow [2021-03-26 07:53:16,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 262 places, 356 transitions, 4864 flow [2021-03-26 07:53:16,886 INFO L129 PetriNetUnfolder]: 350/779 cut-off events. [2021-03-26 07:53:16,886 INFO L130 PetriNetUnfolder]: For 16318/16418 co-relation queries the response was YES. [2021-03-26 07:53:16,892 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6682 conditions, 779 events. 350/779 cut-off events. For 16318/16418 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 4960 event pairs, 15 based on Foata normal form. 23/789 useless extension candidates. Maximal degree in co-relation 6576. Up to 364 conditions per place. [2021-03-26 07:53:16,898 INFO L142 LiptonReduction]: Number of co-enabled transitions 528 [2021-03-26 07:53:16,914 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:16,914 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:16,914 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 112 [2021-03-26 07:53:16,914 INFO L480 AbstractCegarLoop]: Abstraction has has 262 places, 356 transitions, 4864 flow [2021-03-26 07:53:16,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:16,915 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:16,915 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:16,915 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-03-26 07:53:16,915 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:16,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:16,915 INFO L82 PathProgramCache]: Analyzing trace with hash -739420639, now seen corresponding path program 3 times [2021-03-26 07:53:16,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:16,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325551427] [2021-03-26 07:53:16,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:16,924 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:16,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:16,928 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:16,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:16,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:16,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:16,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:16,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:16,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:16,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:16,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:16,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:16,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:16,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:16,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:16,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:16,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:16,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:17,003 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:17,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:17,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:17,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325551427] [2021-03-26 07:53:17,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:17,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:17,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535712687] [2021-03-26 07:53:17,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:17,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:17,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:17,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:17,006 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 108 [2021-03-26 07:53:17,007 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 356 transitions, 4864 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:17,007 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:17,007 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 108 [2021-03-26 07:53:17,007 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:17,472 INFO L129 PetriNetUnfolder]: 572/1083 cut-off events. [2021-03-26 07:53:17,473 INFO L130 PetriNetUnfolder]: For 24533/24548 co-relation queries the response was YES. [2021-03-26 07:53:17,481 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10158 conditions, 1083 events. 572/1083 cut-off events. For 24533/24548 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 6200 event pairs, 135 based on Foata normal form. 11/1093 useless extension candidates. Maximal degree in co-relation 10050. Up to 947 conditions per place. [2021-03-26 07:53:17,486 INFO L132 encePairwiseOnDemand]: 93/108 looper letters, 326 selfloop transitions, 32 changer transitions 4/370 dead transitions. [2021-03-26 07:53:17,486 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 370 transitions, 5784 flow [2021-03-26 07:53:17,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:53:17,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:53:17,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 438 transitions. [2021-03-26 07:53:17,487 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2896825396825397 [2021-03-26 07:53:17,488 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 438 transitions. [2021-03-26 07:53:17,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 438 transitions. [2021-03-26 07:53:17,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:17,488 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 438 transitions. [2021-03-26 07:53:17,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.285714285714285) internal successors, (438), 14 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:17,489 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 108.0) internal successors, (1620), 15 states have internal predecessors, (1620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:17,489 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 108.0) internal successors, (1620), 15 states have internal predecessors, (1620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:17,489 INFO L185 Difference]: Start difference. First operand has 262 places, 356 transitions, 4864 flow. Second operand 14 states and 438 transitions. [2021-03-26 07:53:17,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 370 transitions, 5784 flow [2021-03-26 07:53:17,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 370 transitions, 5640 flow, removed 7 selfloop flow, removed 12 redundant places. [2021-03-26 07:53:17,598 INFO L241 Difference]: Finished difference. Result has 265 places, 353 transitions, 4759 flow [2021-03-26 07:53:17,599 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=4730, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=4759, PETRI_PLACES=265, PETRI_TRANSITIONS=353} [2021-03-26 07:53:17,599 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 226 predicate places. [2021-03-26 07:53:17,599 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:17,599 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 265 places, 353 transitions, 4759 flow [2021-03-26 07:53:17,599 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 265 places, 353 transitions, 4759 flow [2021-03-26 07:53:17,601 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 259 places, 353 transitions, 4759 flow [2021-03-26 07:53:17,682 INFO L129 PetriNetUnfolder]: 348/773 cut-off events. [2021-03-26 07:53:17,683 INFO L130 PetriNetUnfolder]: For 15457/15559 co-relation queries the response was YES. [2021-03-26 07:53:17,688 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6549 conditions, 773 events. 348/773 cut-off events. For 15457/15559 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 4861 event pairs, 15 based on Foata normal form. 20/777 useless extension candidates. Maximal degree in co-relation 6442. Up to 364 conditions per place. [2021-03-26 07:53:17,695 INFO L142 LiptonReduction]: Number of co-enabled transitions 528 [2021-03-26 07:53:17,710 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:17,710 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:17,710 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 111 [2021-03-26 07:53:17,710 INFO L480 AbstractCegarLoop]: Abstraction has has 259 places, 353 transitions, 4759 flow [2021-03-26 07:53:17,710 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:17,710 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:17,710 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:17,711 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-03-26 07:53:17,711 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:17,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:17,711 INFO L82 PathProgramCache]: Analyzing trace with hash 920176351, now seen corresponding path program 2 times [2021-03-26 07:53:17,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:17,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8261906] [2021-03-26 07:53:17,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:17,720 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:17,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:17,725 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:17,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:17,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:17,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:17,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:17,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:17,748 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 07:53:17,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 07:53:17,762 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-26 07:53:17,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 07:53:17,778 INFO L142 QuantifierPusher]: treesize reduction 49, result has 36.4 percent of original size [2021-03-26 07:53:17,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 07:53:17,796 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 07:53:17,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:17,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:17,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:17,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:17,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:17,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:17,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8261906] [2021-03-26 07:53:17,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:17,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:53:17,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795111841] [2021-03-26 07:53:17,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:53:17,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:17,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:53:17,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:53:17,811 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 108 [2021-03-26 07:53:17,811 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 353 transitions, 4759 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:17,811 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:17,811 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 108 [2021-03-26 07:53:17,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:18,313 INFO L129 PetriNetUnfolder]: 571/1082 cut-off events. [2021-03-26 07:53:18,313 INFO L130 PetriNetUnfolder]: For 23425/23440 co-relation queries the response was YES. [2021-03-26 07:53:18,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9994 conditions, 1082 events. 571/1082 cut-off events. For 23425/23440 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 6130 event pairs, 88 based on Foata normal form. 14/1095 useless extension candidates. Maximal degree in co-relation 9884. Up to 849 conditions per place. [2021-03-26 07:53:18,327 INFO L132 encePairwiseOnDemand]: 82/108 looper letters, 233 selfloop transitions, 125 changer transitions 3/369 dead transitions. [2021-03-26 07:53:18,327 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 369 transitions, 5697 flow [2021-03-26 07:53:18,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:53:18,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:53:18,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 437 transitions. [2021-03-26 07:53:18,328 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31125356125356124 [2021-03-26 07:53:18,328 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 437 transitions. [2021-03-26 07:53:18,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 437 transitions. [2021-03-26 07:53:18,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:18,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 437 transitions. [2021-03-26 07:53:18,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 33.61538461538461) internal successors, (437), 13 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:18,329 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 108.0) internal successors, (1512), 14 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:18,329 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 108.0) internal successors, (1512), 14 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:18,329 INFO L185 Difference]: Start difference. First operand has 259 places, 353 transitions, 4759 flow. Second operand 13 states and 437 transitions. [2021-03-26 07:53:18,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 369 transitions, 5697 flow [2021-03-26 07:53:18,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 369 transitions, 5623 flow, removed 5 selfloop flow, removed 13 redundant places. [2021-03-26 07:53:18,440 INFO L241 Difference]: Finished difference. Result has 260 places, 351 transitions, 4988 flow [2021-03-26 07:53:18,440 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=4685, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=125, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=4988, PETRI_PLACES=260, PETRI_TRANSITIONS=351} [2021-03-26 07:53:18,440 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 221 predicate places. [2021-03-26 07:53:18,440 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:18,440 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 260 places, 351 transitions, 4988 flow [2021-03-26 07:53:18,440 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 260 places, 351 transitions, 4988 flow [2021-03-26 07:53:18,442 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 258 places, 351 transitions, 4988 flow [2021-03-26 07:53:18,550 INFO L129 PetriNetUnfolder]: 349/777 cut-off events. [2021-03-26 07:53:18,550 INFO L130 PetriNetUnfolder]: For 15697/15811 co-relation queries the response was YES. [2021-03-26 07:53:18,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6706 conditions, 777 events. 349/777 cut-off events. For 15697/15811 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 4824 event pairs, 14 based on Foata normal form. 23/785 useless extension candidates. Maximal degree in co-relation 6593. Up to 367 conditions per place. [2021-03-26 07:53:18,561 INFO L142 LiptonReduction]: Number of co-enabled transitions 526 [2021-03-26 07:53:18,575 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:18,575 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:18,575 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 135 [2021-03-26 07:53:18,577 INFO L480 AbstractCegarLoop]: Abstraction has has 258 places, 351 transitions, 4988 flow [2021-03-26 07:53:18,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:18,577 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:18,577 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:18,577 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-03-26 07:53:18,577 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:18,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:18,577 INFO L82 PathProgramCache]: Analyzing trace with hash 2141434242, now seen corresponding path program 1 times [2021-03-26 07:53:18,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:18,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531772515] [2021-03-26 07:53:18,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:18,592 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:18,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:18,596 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:18,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:18,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:18,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:18,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:18,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:18,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:18,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:18,628 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 07:53:18,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:53:18,641 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 07:53:18,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:53:18,655 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 07:53:18,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:18,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:18,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:18,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:18,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:18,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:18,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531772515] [2021-03-26 07:53:18,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:18,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:53:18,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483285523] [2021-03-26 07:53:18,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:53:18,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:18,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:53:18,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:53:18,668 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 108 [2021-03-26 07:53:18,669 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 351 transitions, 4988 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:18,669 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:18,669 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 108 [2021-03-26 07:53:18,669 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:19,101 INFO L129 PetriNetUnfolder]: 570/1078 cut-off events. [2021-03-26 07:53:19,101 INFO L130 PetriNetUnfolder]: For 23503/23518 co-relation queries the response was YES. [2021-03-26 07:53:19,109 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10185 conditions, 1078 events. 570/1078 cut-off events. For 23503/23518 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 6201 event pairs, 96 based on Foata normal form. 14/1091 useless extension candidates. Maximal degree in co-relation 10068. Up to 903 conditions per place. [2021-03-26 07:53:19,114 INFO L132 encePairwiseOnDemand]: 92/108 looper letters, 291 selfloop transitions, 66 changer transitions 4/369 dead transitions. [2021-03-26 07:53:19,114 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 369 transitions, 5972 flow [2021-03-26 07:53:19,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 07:53:19,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 07:53:19,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 398 transitions. [2021-03-26 07:53:19,115 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30709876543209874 [2021-03-26 07:53:19,115 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 398 transitions. [2021-03-26 07:53:19,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 398 transitions. [2021-03-26 07:53:19,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:19,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 398 transitions. [2021-03-26 07:53:19,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 33.166666666666664) internal successors, (398), 12 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:19,116 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 108.0) internal successors, (1404), 13 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:19,116 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 108.0) internal successors, (1404), 13 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:19,116 INFO L185 Difference]: Start difference. First operand has 258 places, 351 transitions, 4988 flow. Second operand 12 states and 398 transitions. [2021-03-26 07:53:19,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 369 transitions, 5972 flow [2021-03-26 07:53:19,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 369 transitions, 5644 flow, removed 3 selfloop flow, removed 14 redundant places. [2021-03-26 07:53:19,227 INFO L241 Difference]: Finished difference. Result has 257 places, 350 transitions, 4805 flow [2021-03-26 07:53:19,228 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=4662, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=4805, PETRI_PLACES=257, PETRI_TRANSITIONS=350} [2021-03-26 07:53:19,228 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 218 predicate places. [2021-03-26 07:53:19,228 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:19,228 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 257 places, 350 transitions, 4805 flow [2021-03-26 07:53:19,228 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 257 places, 350 transitions, 4805 flow [2021-03-26 07:53:19,230 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 257 places, 350 transitions, 4805 flow [2021-03-26 07:53:19,312 INFO L129 PetriNetUnfolder]: 356/780 cut-off events. [2021-03-26 07:53:19,312 INFO L130 PetriNetUnfolder]: For 15662/15750 co-relation queries the response was YES. [2021-03-26 07:53:19,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6683 conditions, 780 events. 356/780 cut-off events. For 15662/15750 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 4846 event pairs, 21 based on Foata normal form. 21/783 useless extension candidates. Maximal degree in co-relation 6569. Up to 373 conditions per place. [2021-03-26 07:53:19,325 INFO L142 LiptonReduction]: Number of co-enabled transitions 524 [2021-03-26 07:53:19,340 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:19,340 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:19,340 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 112 [2021-03-26 07:53:19,340 INFO L480 AbstractCegarLoop]: Abstraction has has 257 places, 350 transitions, 4805 flow [2021-03-26 07:53:19,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:19,340 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:19,341 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:19,341 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-03-26 07:53:19,341 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:19,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:19,341 INFO L82 PathProgramCache]: Analyzing trace with hash -808956626, now seen corresponding path program 1 times [2021-03-26 07:53:19,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:19,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99568118] [2021-03-26 07:53:19,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:19,350 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:19,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:19,354 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:19,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:19,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:19,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:19,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:19,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:19,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:19,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:19,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:19,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:19,395 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 07:53:19,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:53:19,409 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 07:53:19,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:19,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:19,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:19,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:19,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:19,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:19,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99568118] [2021-03-26 07:53:19,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:19,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:53:19,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606187382] [2021-03-26 07:53:19,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:53:19,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:19,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:53:19,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:53:19,423 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 108 [2021-03-26 07:53:19,423 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 350 transitions, 4805 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:19,423 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:19,423 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 108 [2021-03-26 07:53:19,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:19,844 INFO L129 PetriNetUnfolder]: 569/1078 cut-off events. [2021-03-26 07:53:19,845 INFO L130 PetriNetUnfolder]: For 23041/23056 co-relation queries the response was YES. [2021-03-26 07:53:19,852 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10042 conditions, 1078 events. 569/1078 cut-off events. For 23041/23056 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 6163 event pairs, 110 based on Foata normal form. 14/1091 useless extension candidates. Maximal degree in co-relation 9924. Up to 917 conditions per place. [2021-03-26 07:53:19,856 INFO L132 encePairwiseOnDemand]: 92/108 looper letters, 292 selfloop transitions, 60 changer transitions 2/362 dead transitions. [2021-03-26 07:53:19,857 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 362 transitions, 5647 flow [2021-03-26 07:53:19,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 07:53:19,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 07:53:19,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 395 transitions. [2021-03-26 07:53:19,858 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30478395061728397 [2021-03-26 07:53:19,858 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 395 transitions. [2021-03-26 07:53:19,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 395 transitions. [2021-03-26 07:53:19,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:19,858 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 395 transitions. [2021-03-26 07:53:19,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 32.916666666666664) internal successors, (395), 12 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:19,859 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 108.0) internal successors, (1404), 13 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:19,859 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 108.0) internal successors, (1404), 13 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:19,859 INFO L185 Difference]: Start difference. First operand has 257 places, 350 transitions, 4805 flow. Second operand 12 states and 395 transitions. [2021-03-26 07:53:19,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 362 transitions, 5647 flow [2021-03-26 07:53:19,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 362 transitions, 5494 flow, removed 3 selfloop flow, removed 13 redundant places. [2021-03-26 07:53:19,957 INFO L241 Difference]: Finished difference. Result has 257 places, 349 transitions, 4783 flow [2021-03-26 07:53:19,958 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=4654, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=4783, PETRI_PLACES=257, PETRI_TRANSITIONS=349} [2021-03-26 07:53:19,958 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 218 predicate places. [2021-03-26 07:53:19,958 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:19,958 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 257 places, 349 transitions, 4783 flow [2021-03-26 07:53:19,958 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 257 places, 349 transitions, 4783 flow [2021-03-26 07:53:19,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 257 places, 349 transitions, 4783 flow [2021-03-26 07:53:20,035 INFO L129 PetriNetUnfolder]: 361/785 cut-off events. [2021-03-26 07:53:20,035 INFO L130 PetriNetUnfolder]: For 15917/16080 co-relation queries the response was YES. [2021-03-26 07:53:20,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6742 conditions, 785 events. 361/785 cut-off events. For 15917/16080 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 4839 event pairs, 24 based on Foata normal form. 22/779 useless extension candidates. Maximal degree in co-relation 6629. Up to 381 conditions per place. [2021-03-26 07:53:20,046 INFO L142 LiptonReduction]: Number of co-enabled transitions 522 [2021-03-26 07:53:20,061 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:20,061 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:20,061 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 103 [2021-03-26 07:53:20,062 INFO L480 AbstractCegarLoop]: Abstraction has has 257 places, 349 transitions, 4783 flow [2021-03-26 07:53:20,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:20,062 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:20,062 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:20,062 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-03-26 07:53:20,062 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:20,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:20,062 INFO L82 PathProgramCache]: Analyzing trace with hash -435189348, now seen corresponding path program 2 times [2021-03-26 07:53:20,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:20,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193421423] [2021-03-26 07:53:20,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:20,074 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:20,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:20,078 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:20,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:20,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:20,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:20,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:20,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:20,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:20,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:20,110 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 07:53:20,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:53:20,123 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 07:53:20,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:53:20,137 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 07:53:20,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:20,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:20,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:20,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:20,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:20,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:20,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193421423] [2021-03-26 07:53:20,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:20,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:53:20,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434960283] [2021-03-26 07:53:20,153 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:53:20,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:20,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:53:20,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:53:20,154 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 108 [2021-03-26 07:53:20,154 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 349 transitions, 4783 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:20,154 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:20,154 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 108 [2021-03-26 07:53:20,154 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:20,708 INFO L129 PetriNetUnfolder]: 568/1075 cut-off events. [2021-03-26 07:53:20,708 INFO L130 PetriNetUnfolder]: For 23449/23464 co-relation queries the response was YES. [2021-03-26 07:53:20,716 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10019 conditions, 1075 events. 568/1075 cut-off events. For 23449/23464 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 6090 event pairs, 113 based on Foata normal form. 10/1083 useless extension candidates. Maximal degree in co-relation 9902. Up to 843 conditions per place. [2021-03-26 07:53:20,720 INFO L132 encePairwiseOnDemand]: 89/108 looper letters, 259 selfloop transitions, 102 changer transitions 5/374 dead transitions. [2021-03-26 07:53:20,720 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 374 transitions, 5972 flow [2021-03-26 07:53:20,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:53:20,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:53:20,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 522 transitions. [2021-03-26 07:53:20,721 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3020833333333333 [2021-03-26 07:53:20,721 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 522 transitions. [2021-03-26 07:53:20,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 522 transitions. [2021-03-26 07:53:20,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:20,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 522 transitions. [2021-03-26 07:53:20,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.625) internal successors, (522), 16 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:20,723 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 108.0) internal successors, (1836), 17 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:20,724 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 108.0) internal successors, (1836), 17 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:20,724 INFO L185 Difference]: Start difference. First operand has 257 places, 349 transitions, 4783 flow. Second operand 16 states and 522 transitions. [2021-03-26 07:53:20,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 374 transitions, 5972 flow [2021-03-26 07:53:20,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 374 transitions, 5838 flow, removed 2 selfloop flow, removed 13 redundant places. [2021-03-26 07:53:20,825 INFO L241 Difference]: Finished difference. Result has 260 places, 347 transitions, 4870 flow [2021-03-26 07:53:20,826 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=4652, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=102, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=4870, PETRI_PLACES=260, PETRI_TRANSITIONS=347} [2021-03-26 07:53:20,826 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 221 predicate places. [2021-03-26 07:53:20,826 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:20,826 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 260 places, 347 transitions, 4870 flow [2021-03-26 07:53:20,826 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 260 places, 347 transitions, 4870 flow [2021-03-26 07:53:20,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 257 places, 347 transitions, 4870 flow [2021-03-26 07:53:20,903 INFO L129 PetriNetUnfolder]: 348/770 cut-off events. [2021-03-26 07:53:20,904 INFO L130 PetriNetUnfolder]: For 14723/14791 co-relation queries the response was YES. [2021-03-26 07:53:20,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6607 conditions, 770 events. 348/770 cut-off events. For 14723/14791 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 4844 event pairs, 18 based on Foata normal form. 13/768 useless extension candidates. Maximal degree in co-relation 6494. Up to 366 conditions per place. [2021-03-26 07:53:20,914 INFO L142 LiptonReduction]: Number of co-enabled transitions 520 [2021-03-26 07:53:20,928 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:20,928 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:20,929 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 103 [2021-03-26 07:53:20,929 INFO L480 AbstractCegarLoop]: Abstraction has has 257 places, 347 transitions, 4870 flow [2021-03-26 07:53:20,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:20,929 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:20,929 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:20,929 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-03-26 07:53:20,929 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:20,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:20,929 INFO L82 PathProgramCache]: Analyzing trace with hash -101445145, now seen corresponding path program 3 times [2021-03-26 07:53:20,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:20,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271426435] [2021-03-26 07:53:20,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:20,938 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:20,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:20,942 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:20,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:20,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:20,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:20,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:20,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:20,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:20,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:20,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:20,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:20,983 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.9 percent of original size [2021-03-26 07:53:20,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 07:53:21,003 INFO L142 QuantifierPusher]: treesize reduction 23, result has 53.1 percent of original size [2021-03-26 07:53:21,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:53:21,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:21,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:21,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:21,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:21,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:21,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271426435] [2021-03-26 07:53:21,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:21,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:21,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001109819] [2021-03-26 07:53:21,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:21,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:21,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:21,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:21,037 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 108 [2021-03-26 07:53:21,038 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 347 transitions, 4870 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:21,038 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:21,038 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 108 [2021-03-26 07:53:21,038 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:21,482 INFO L129 PetriNetUnfolder]: 567/1074 cut-off events. [2021-03-26 07:53:21,482 INFO L130 PetriNetUnfolder]: For 23140/23144 co-relation queries the response was YES. [2021-03-26 07:53:21,489 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10097 conditions, 1074 events. 567/1074 cut-off events. For 23140/23144 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 6085 event pairs, 123 based on Foata normal form. 5/1078 useless extension candidates. Maximal degree in co-relation 9980. Up to 924 conditions per place. [2021-03-26 07:53:21,494 INFO L132 encePairwiseOnDemand]: 92/108 looper letters, 299 selfloop transitions, 49 changer transitions 6/362 dead transitions. [2021-03-26 07:53:21,494 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 362 transitions, 5804 flow [2021-03-26 07:53:21,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:53:21,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:53:21,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 414 transitions. [2021-03-26 07:53:21,495 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2948717948717949 [2021-03-26 07:53:21,495 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 414 transitions. [2021-03-26 07:53:21,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 414 transitions. [2021-03-26 07:53:21,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:21,495 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 414 transitions. [2021-03-26 07:53:21,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.846153846153847) internal successors, (414), 13 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:21,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 108.0) internal successors, (1512), 14 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:21,496 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 108.0) internal successors, (1512), 14 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:21,496 INFO L185 Difference]: Start difference. First operand has 257 places, 347 transitions, 4870 flow. Second operand 13 states and 414 transitions. [2021-03-26 07:53:21,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 362 transitions, 5804 flow [2021-03-26 07:53:21,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 362 transitions, 5619 flow, removed 2 selfloop flow, removed 11 redundant places. [2021-03-26 07:53:21,607 INFO L241 Difference]: Finished difference. Result has 259 places, 343 transitions, 4747 flow [2021-03-26 07:53:21,607 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=4687, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=4747, PETRI_PLACES=259, PETRI_TRANSITIONS=343} [2021-03-26 07:53:21,607 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 220 predicate places. [2021-03-26 07:53:21,607 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:21,607 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 259 places, 343 transitions, 4747 flow [2021-03-26 07:53:21,607 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 259 places, 343 transitions, 4747 flow [2021-03-26 07:53:21,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 252 places, 343 transitions, 4747 flow [2021-03-26 07:53:21,685 INFO L129 PetriNetUnfolder]: 346/768 cut-off events. [2021-03-26 07:53:21,685 INFO L130 PetriNetUnfolder]: For 15430/15530 co-relation queries the response was YES. [2021-03-26 07:53:21,690 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6528 conditions, 768 events. 346/768 cut-off events. For 15430/15530 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 4815 event pairs, 16 based on Foata normal form. 14/768 useless extension candidates. Maximal degree in co-relation 6424. Up to 366 conditions per place. [2021-03-26 07:53:21,696 INFO L142 LiptonReduction]: Number of co-enabled transitions 520 [2021-03-26 07:53:21,710 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:21,710 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:21,711 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 104 [2021-03-26 07:53:21,711 INFO L480 AbstractCegarLoop]: Abstraction has has 252 places, 343 transitions, 4747 flow [2021-03-26 07:53:21,711 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:21,711 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:21,711 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:21,711 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-03-26 07:53:21,711 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:21,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:21,712 INFO L82 PathProgramCache]: Analyzing trace with hash -244763668, now seen corresponding path program 2 times [2021-03-26 07:53:21,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:21,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591869926] [2021-03-26 07:53:21,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:21,720 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:21,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:21,724 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:21,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:21,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:21,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:21,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:21,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:21,748 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:53:21,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:53:21,765 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:53:21,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:53:21,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:21,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:21,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:21,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:21,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:21,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:21,822 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:21,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:21,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:21,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591869926] [2021-03-26 07:53:21,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:21,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:21,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296706096] [2021-03-26 07:53:21,825 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:21,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:21,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:21,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:21,825 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 108 [2021-03-26 07:53:21,826 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 343 transitions, 4747 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:21,826 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:21,826 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 108 [2021-03-26 07:53:21,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:22,396 INFO L129 PetriNetUnfolder]: 568/1084 cut-off events. [2021-03-26 07:53:22,396 INFO L130 PetriNetUnfolder]: For 23919/23934 co-relation queries the response was YES. [2021-03-26 07:53:22,403 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10093 conditions, 1084 events. 568/1084 cut-off events. For 23919/23934 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 6241 event pairs, 106 based on Foata normal form. 11/1094 useless extension candidates. Maximal degree in co-relation 9986. Up to 826 conditions per place. [2021-03-26 07:53:22,408 INFO L132 encePairwiseOnDemand]: 84/108 looper letters, 245 selfloop transitions, 121 changer transitions 5/379 dead transitions. [2021-03-26 07:53:22,408 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 379 transitions, 6157 flow [2021-03-26 07:53:22,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 07:53:22,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 07:53:22,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 550 transitions. [2021-03-26 07:53:22,409 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2995642701525055 [2021-03-26 07:53:22,409 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 550 transitions. [2021-03-26 07:53:22,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 550 transitions. [2021-03-26 07:53:22,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:22,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 550 transitions. [2021-03-26 07:53:22,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.35294117647059) internal successors, (550), 17 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:22,411 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 108.0) internal successors, (1944), 18 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:22,411 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 108.0) internal successors, (1944), 18 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:22,411 INFO L185 Difference]: Start difference. First operand has 252 places, 343 transitions, 4747 flow. Second operand 17 states and 550 transitions. [2021-03-26 07:53:22,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 379 transitions, 6157 flow [2021-03-26 07:53:22,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 379 transitions, 5992 flow, removed 15 selfloop flow, removed 13 redundant places. [2021-03-26 07:53:22,513 INFO L241 Difference]: Finished difference. Result has 259 places, 348 transitions, 5006 flow [2021-03-26 07:53:22,513 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=4602, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=5006, PETRI_PLACES=259, PETRI_TRANSITIONS=348} [2021-03-26 07:53:22,513 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 220 predicate places. [2021-03-26 07:53:22,513 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:22,513 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 259 places, 348 transitions, 5006 flow [2021-03-26 07:53:22,513 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 259 places, 348 transitions, 5006 flow [2021-03-26 07:53:22,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 257 places, 348 transitions, 5006 flow [2021-03-26 07:53:22,610 INFO L129 PetriNetUnfolder]: 360/790 cut-off events. [2021-03-26 07:53:22,610 INFO L130 PetriNetUnfolder]: For 16373/16480 co-relation queries the response was YES. [2021-03-26 07:53:22,615 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6841 conditions, 790 events. 360/790 cut-off events. For 16373/16480 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 4926 event pairs, 22 based on Foata normal form. 13/782 useless extension candidates. Maximal degree in co-relation 6739. Up to 385 conditions per place. [2021-03-26 07:53:22,621 INFO L142 LiptonReduction]: Number of co-enabled transitions 528 [2021-03-26 07:53:22,635 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:22,635 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:22,635 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 122 [2021-03-26 07:53:22,635 INFO L480 AbstractCegarLoop]: Abstraction has has 257 places, 348 transitions, 5006 flow [2021-03-26 07:53:22,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:22,636 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:22,636 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:22,636 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-03-26 07:53:22,636 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:22,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:22,636 INFO L82 PathProgramCache]: Analyzing trace with hash 127415486, now seen corresponding path program 2 times [2021-03-26 07:53:22,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:22,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254985350] [2021-03-26 07:53:22,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:22,644 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:22,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:22,648 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:22,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:22,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:22,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:22,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:22,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:22,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:22,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:22,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:22,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:22,690 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 07:53:22,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:53:22,704 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 07:53:22,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:22,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:22,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:22,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:22,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:22,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:22,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254985350] [2021-03-26 07:53:22,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:22,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:53:22,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214462242] [2021-03-26 07:53:22,717 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:53:22,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:22,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:53:22,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:53:22,717 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 108 [2021-03-26 07:53:22,717 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 348 transitions, 5006 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:22,717 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:22,717 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 108 [2021-03-26 07:53:22,718 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:23,253 INFO L129 PetriNetUnfolder]: 580/1113 cut-off events. [2021-03-26 07:53:23,253 INFO L130 PetriNetUnfolder]: For 26010/26014 co-relation queries the response was YES. [2021-03-26 07:53:23,260 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10520 conditions, 1113 events. 580/1113 cut-off events. For 26010/26014 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 6408 event pairs, 92 based on Foata normal form. 5/1117 useless extension candidates. Maximal degree in co-relation 10416. Up to 810 conditions per place. [2021-03-26 07:53:23,265 INFO L132 encePairwiseOnDemand]: 87/108 looper letters, 223 selfloop transitions, 151 changer transitions 3/385 dead transitions. [2021-03-26 07:53:23,265 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 385 transitions, 6438 flow [2021-03-26 07:53:23,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:53:23,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:53:23,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 468 transitions. [2021-03-26 07:53:23,266 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30952380952380953 [2021-03-26 07:53:23,266 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 468 transitions. [2021-03-26 07:53:23,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 468 transitions. [2021-03-26 07:53:23,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:23,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 468 transitions. [2021-03-26 07:53:23,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 33.42857142857143) internal successors, (468), 14 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:23,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 108.0) internal successors, (1620), 15 states have internal predecessors, (1620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:23,267 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 108.0) internal successors, (1620), 15 states have internal predecessors, (1620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:23,267 INFO L185 Difference]: Start difference. First operand has 257 places, 348 transitions, 5006 flow. Second operand 14 states and 468 transitions. [2021-03-26 07:53:23,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 385 transitions, 6438 flow [2021-03-26 07:53:23,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 385 transitions, 6246 flow, removed 50 selfloop flow, removed 7 redundant places. [2021-03-26 07:53:23,376 INFO L241 Difference]: Finished difference. Result has 267 places, 360 transitions, 5572 flow [2021-03-26 07:53:23,376 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=4834, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=5572, PETRI_PLACES=267, PETRI_TRANSITIONS=360} [2021-03-26 07:53:23,376 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 228 predicate places. [2021-03-26 07:53:23,377 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:23,377 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 267 places, 360 transitions, 5572 flow [2021-03-26 07:53:23,377 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 267 places, 360 transitions, 5572 flow [2021-03-26 07:53:23,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 266 places, 360 transitions, 5572 flow [2021-03-26 07:53:23,462 INFO L129 PetriNetUnfolder]: 370/800 cut-off events. [2021-03-26 07:53:23,462 INFO L130 PetriNetUnfolder]: For 17797/17896 co-relation queries the response was YES. [2021-03-26 07:53:23,467 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7300 conditions, 800 events. 370/800 cut-off events. For 17797/17896 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 5005 event pairs, 21 based on Foata normal form. 15/789 useless extension candidates. Maximal degree in co-relation 7185. Up to 402 conditions per place. [2021-03-26 07:53:23,473 INFO L142 LiptonReduction]: Number of co-enabled transitions 538 [2021-03-26 07:53:23,488 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:23,489 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:23,489 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 112 [2021-03-26 07:53:23,489 INFO L480 AbstractCegarLoop]: Abstraction has has 266 places, 360 transitions, 5572 flow [2021-03-26 07:53:23,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:23,489 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:23,489 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:23,489 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-03-26 07:53:23,489 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:23,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:23,490 INFO L82 PathProgramCache]: Analyzing trace with hash 967924907, now seen corresponding path program 3 times [2021-03-26 07:53:23,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:23,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20265337] [2021-03-26 07:53:23,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:23,498 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:23,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:23,502 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:23,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:23,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:23,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:23,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:23,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:23,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:23,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 07:53:23,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:23,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:23,545 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 07:53:23,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 07:53:23,569 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 07:53:23,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:53:23,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:23,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:23,605 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:23,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:23,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:23,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20265337] [2021-03-26 07:53:23,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:23,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:23,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373330643] [2021-03-26 07:53:23,608 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:23,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:23,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:23,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:23,609 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 108 [2021-03-26 07:53:23,609 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 360 transitions, 5572 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:23,609 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:23,609 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 108 [2021-03-26 07:53:23,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:24,087 INFO L129 PetriNetUnfolder]: 579/1105 cut-off events. [2021-03-26 07:53:24,087 INFO L130 PetriNetUnfolder]: For 26800/26821 co-relation queries the response was YES. [2021-03-26 07:53:24,095 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10821 conditions, 1105 events. 579/1105 cut-off events. For 26800/26821 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 6413 event pairs, 122 based on Foata normal form. 11/1115 useless extension candidates. Maximal degree in co-relation 10702. Up to 925 conditions per place. [2021-03-26 07:53:24,100 INFO L132 encePairwiseOnDemand]: 87/108 looper letters, 277 selfloop transitions, 85 changer transitions 4/374 dead transitions. [2021-03-26 07:53:24,100 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 374 transitions, 6499 flow [2021-03-26 07:53:24,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:53:24,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:53:24,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 420 transitions. [2021-03-26 07:53:24,101 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29914529914529914 [2021-03-26 07:53:24,101 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 420 transitions. [2021-03-26 07:53:24,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 420 transitions. [2021-03-26 07:53:24,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:24,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 420 transitions. [2021-03-26 07:53:24,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.30769230769231) internal successors, (420), 13 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:24,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 108.0) internal successors, (1512), 14 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:24,102 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 108.0) internal successors, (1512), 14 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:24,102 INFO L185 Difference]: Start difference. First operand has 266 places, 360 transitions, 5572 flow. Second operand 13 states and 420 transitions. [2021-03-26 07:53:24,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 374 transitions, 6499 flow [2021-03-26 07:53:24,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 374 transitions, 6231 flow, removed 58 selfloop flow, removed 11 redundant places. [2021-03-26 07:53:24,218 INFO L241 Difference]: Finished difference. Result has 268 places, 356 transitions, 5452 flow [2021-03-26 07:53:24,218 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=5310, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=85, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=5452, PETRI_PLACES=268, PETRI_TRANSITIONS=356} [2021-03-26 07:53:24,219 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 229 predicate places. [2021-03-26 07:53:24,219 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:24,219 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 268 places, 356 transitions, 5452 flow [2021-03-26 07:53:24,219 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 268 places, 356 transitions, 5452 flow [2021-03-26 07:53:24,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 261 places, 356 transitions, 5452 flow [2021-03-26 07:53:24,302 INFO L129 PetriNetUnfolder]: 363/792 cut-off events. [2021-03-26 07:53:24,302 INFO L130 PetriNetUnfolder]: For 16066/16156 co-relation queries the response was YES. [2021-03-26 07:53:24,307 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7049 conditions, 792 events. 363/792 cut-off events. For 16066/16156 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 5017 event pairs, 20 based on Foata normal form. 15/789 useless extension candidates. Maximal degree in co-relation 6947. Up to 394 conditions per place. [2021-03-26 07:53:24,314 INFO L142 LiptonReduction]: Number of co-enabled transitions 538 [2021-03-26 07:53:24,329 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:24,329 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:24,329 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 110 [2021-03-26 07:53:24,330 INFO L480 AbstractCegarLoop]: Abstraction has has 261 places, 356 transitions, 5452 flow [2021-03-26 07:53:24,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:24,330 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:24,330 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:24,330 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-03-26 07:53:24,330 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:24,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:24,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1582102564, now seen corresponding path program 4 times [2021-03-26 07:53:24,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:24,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175757164] [2021-03-26 07:53:24,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:24,346 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:24,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:24,350 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:24,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:24,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:24,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:24,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:24,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:24,374 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:53:24,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:53:24,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:24,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:24,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:24,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:24,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:24,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:24,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:24,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:24,435 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:24,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:24,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:24,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175757164] [2021-03-26 07:53:24,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:24,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:24,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730097486] [2021-03-26 07:53:24,438 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:24,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:24,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:24,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:24,438 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 108 [2021-03-26 07:53:24,439 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 356 transitions, 5452 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:24,439 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:24,439 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 108 [2021-03-26 07:53:24,439 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:24,951 INFO L129 PetriNetUnfolder]: 578/1100 cut-off events. [2021-03-26 07:53:24,951 INFO L130 PetriNetUnfolder]: For 25262/25276 co-relation queries the response was YES. [2021-03-26 07:53:24,959 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10660 conditions, 1100 events. 578/1100 cut-off events. For 25262/25276 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 6301 event pairs, 130 based on Foata normal form. 11/1110 useless extension candidates. Maximal degree in co-relation 10558. Up to 871 conditions per place. [2021-03-26 07:53:24,964 INFO L132 encePairwiseOnDemand]: 84/108 looper letters, 240 selfloop transitions, 125 changer transitions 5/378 dead transitions. [2021-03-26 07:53:24,964 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 378 transitions, 6516 flow [2021-03-26 07:53:24,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:53:24,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:53:24,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 487 transitions. [2021-03-26 07:53:24,965 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30061728395061726 [2021-03-26 07:53:24,965 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 487 transitions. [2021-03-26 07:53:24,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 487 transitions. [2021-03-26 07:53:24,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:24,965 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 487 transitions. [2021-03-26 07:53:24,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.46666666666667) internal successors, (487), 15 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:24,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 108.0) internal successors, (1728), 16 states have internal predecessors, (1728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:24,966 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 108.0) internal successors, (1728), 16 states have internal predecessors, (1728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:24,966 INFO L185 Difference]: Start difference. First operand has 261 places, 356 transitions, 5452 flow. Second operand 15 states and 487 transitions. [2021-03-26 07:53:24,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 378 transitions, 6516 flow [2021-03-26 07:53:25,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 378 transitions, 6324 flow, removed 8 selfloop flow, removed 12 redundant places. [2021-03-26 07:53:25,072 INFO L241 Difference]: Finished difference. Result has 265 places, 356 transitions, 5548 flow [2021-03-26 07:53:25,073 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=5268, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=5548, PETRI_PLACES=265, PETRI_TRANSITIONS=356} [2021-03-26 07:53:25,073 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 226 predicate places. [2021-03-26 07:53:25,073 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:25,073 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 265 places, 356 transitions, 5548 flow [2021-03-26 07:53:25,073 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 265 places, 356 transitions, 5548 flow [2021-03-26 07:53:25,075 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 259 places, 356 transitions, 5548 flow [2021-03-26 07:53:25,156 INFO L129 PetriNetUnfolder]: 361/783 cut-off events. [2021-03-26 07:53:25,156 INFO L130 PetriNetUnfolder]: For 16062/16171 co-relation queries the response was YES. [2021-03-26 07:53:25,161 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7035 conditions, 783 events. 361/783 cut-off events. For 16062/16171 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 4919 event pairs, 20 based on Foata normal form. 15/776 useless extension candidates. Maximal degree in co-relation 6938. Up to 394 conditions per place. [2021-03-26 07:53:25,166 INFO L142 LiptonReduction]: Number of co-enabled transitions 530 [2021-03-26 07:53:25,181 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:25,181 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:25,181 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 108 [2021-03-26 07:53:25,182 INFO L480 AbstractCegarLoop]: Abstraction has has 259 places, 356 transitions, 5548 flow [2021-03-26 07:53:25,182 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:25,182 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:25,182 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:25,182 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-03-26 07:53:25,182 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:25,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:25,182 INFO L82 PathProgramCache]: Analyzing trace with hash -439080673, now seen corresponding path program 2 times [2021-03-26 07:53:25,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:25,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351741599] [2021-03-26 07:53:25,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:25,190 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:25,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:25,194 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:25,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:25,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:25,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:25,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:25,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:25,217 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 07:53:25,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 07:53:25,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:25,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:25,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:25,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:25,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:25,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:25,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:25,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:25,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:25,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:25,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:25,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351741599] [2021-03-26 07:53:25,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:25,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:25,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200729171] [2021-03-26 07:53:25,277 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:25,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:25,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:25,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:25,278 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 108 [2021-03-26 07:53:25,278 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 356 transitions, 5548 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:25,278 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:25,278 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 108 [2021-03-26 07:53:25,278 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:25,815 INFO L129 PetriNetUnfolder]: 577/1096 cut-off events. [2021-03-26 07:53:25,815 INFO L130 PetriNetUnfolder]: For 24516/24537 co-relation queries the response was YES. [2021-03-26 07:53:25,823 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10592 conditions, 1096 events. 577/1096 cut-off events. For 24516/24537 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 6267 event pairs, 98 based on Foata normal form. 14/1109 useless extension candidates. Maximal degree in co-relation 10493. Up to 864 conditions per place. [2021-03-26 07:53:25,827 INFO L132 encePairwiseOnDemand]: 86/108 looper letters, 239 selfloop transitions, 127 changer transitions 5/379 dead transitions. [2021-03-26 07:53:25,828 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 379 transitions, 6603 flow [2021-03-26 07:53:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:53:25,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:53:25,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 485 transitions. [2021-03-26 07:53:25,829 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2993827160493827 [2021-03-26 07:53:25,829 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 485 transitions. [2021-03-26 07:53:25,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 485 transitions. [2021-03-26 07:53:25,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:25,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 485 transitions. [2021-03-26 07:53:25,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.333333333333336) internal successors, (485), 15 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:25,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 108.0) internal successors, (1728), 16 states have internal predecessors, (1728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:25,830 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 108.0) internal successors, (1728), 16 states have internal predecessors, (1728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:25,830 INFO L185 Difference]: Start difference. First operand has 259 places, 356 transitions, 5548 flow. Second operand 15 states and 485 transitions. [2021-03-26 07:53:25,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 379 transitions, 6603 flow [2021-03-26 07:53:25,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 379 transitions, 6341 flow, removed 29 selfloop flow, removed 11 redundant places. [2021-03-26 07:53:25,942 INFO L241 Difference]: Finished difference. Result has 264 places, 357 transitions, 5587 flow [2021-03-26 07:53:25,942 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=5297, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=124, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=5587, PETRI_PLACES=264, PETRI_TRANSITIONS=357} [2021-03-26 07:53:25,942 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 225 predicate places. [2021-03-26 07:53:25,942 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:25,942 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 264 places, 357 transitions, 5587 flow [2021-03-26 07:53:25,943 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 264 places, 357 transitions, 5587 flow [2021-03-26 07:53:25,945 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 261 places, 357 transitions, 5587 flow [2021-03-26 07:53:26,026 INFO L129 PetriNetUnfolder]: 355/773 cut-off events. [2021-03-26 07:53:26,027 INFO L130 PetriNetUnfolder]: For 15773/15845 co-relation queries the response was YES. [2021-03-26 07:53:26,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6981 conditions, 773 events. 355/773 cut-off events. For 15773/15845 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 4860 event pairs, 18 based on Foata normal form. 11/766 useless extension candidates. Maximal degree in co-relation 6884. Up to 383 conditions per place. [2021-03-26 07:53:26,038 INFO L142 LiptonReduction]: Number of co-enabled transitions 534 [2021-03-26 07:53:26,054 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:26,054 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:26,054 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 112 [2021-03-26 07:53:26,054 INFO L480 AbstractCegarLoop]: Abstraction has has 261 places, 357 transitions, 5587 flow [2021-03-26 07:53:26,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:26,054 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:26,054 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:26,054 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-03-26 07:53:26,054 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:26,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:26,055 INFO L82 PathProgramCache]: Analyzing trace with hash -1962525218, now seen corresponding path program 1 times [2021-03-26 07:53:26,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:26,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268678333] [2021-03-26 07:53:26,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:26,063 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:26,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:26,068 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:26,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:26,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:26,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:26,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:26,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:26,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:26,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:26,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:26,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:26,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:26,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:26,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:26,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:26,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:26,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:26,145 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:26,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:26,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:26,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268678333] [2021-03-26 07:53:26,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:26,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:26,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926576953] [2021-03-26 07:53:26,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:26,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:26,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:26,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:26,149 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 108 [2021-03-26 07:53:26,149 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 357 transitions, 5587 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:26,149 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:26,149 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 108 [2021-03-26 07:53:26,149 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:26,692 INFO L129 PetriNetUnfolder]: 608/1150 cut-off events. [2021-03-26 07:53:26,692 INFO L130 PetriNetUnfolder]: For 25628/25642 co-relation queries the response was YES. [2021-03-26 07:53:26,699 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11131 conditions, 1150 events. 608/1150 cut-off events. For 25628/25642 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 6675 event pairs, 153 based on Foata normal form. 6/1152 useless extension candidates. Maximal degree in co-relation 11032. Up to 983 conditions per place. [2021-03-26 07:53:26,703 INFO L132 encePairwiseOnDemand]: 90/108 looper letters, 327 selfloop transitions, 62 changer transitions 3/400 dead transitions. [2021-03-26 07:53:26,703 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 400 transitions, 7029 flow [2021-03-26 07:53:26,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:53:26,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:53:26,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 448 transitions. [2021-03-26 07:53:26,704 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2962962962962963 [2021-03-26 07:53:26,704 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 448 transitions. [2021-03-26 07:53:26,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 448 transitions. [2021-03-26 07:53:26,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:26,704 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 448 transitions. [2021-03-26 07:53:26,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.0) internal successors, (448), 14 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:26,705 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 108.0) internal successors, (1620), 15 states have internal predecessors, (1620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:26,705 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 108.0) internal successors, (1620), 15 states have internal predecessors, (1620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:26,705 INFO L185 Difference]: Start difference. First operand has 261 places, 357 transitions, 5587 flow. Second operand 14 states and 448 transitions. [2021-03-26 07:53:26,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 400 transitions, 7029 flow [2021-03-26 07:53:26,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 400 transitions, 6795 flow, removed 16 selfloop flow, removed 10 redundant places. [2021-03-26 07:53:26,807 INFO L241 Difference]: Finished difference. Result has 273 places, 378 transitions, 5864 flow [2021-03-26 07:53:26,807 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=5353, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=5864, PETRI_PLACES=273, PETRI_TRANSITIONS=378} [2021-03-26 07:53:26,807 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 234 predicate places. [2021-03-26 07:53:26,807 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:26,807 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 273 places, 378 transitions, 5864 flow [2021-03-26 07:53:26,807 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 273 places, 378 transitions, 5864 flow [2021-03-26 07:53:26,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 270 places, 378 transitions, 5864 flow [2021-03-26 07:53:26,897 INFO L129 PetriNetUnfolder]: 387/829 cut-off events. [2021-03-26 07:53:26,897 INFO L130 PetriNetUnfolder]: For 18494/18624 co-relation queries the response was YES. [2021-03-26 07:53:26,903 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7602 conditions, 829 events. 387/829 cut-off events. For 18494/18624 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 5253 event pairs, 32 based on Foata normal form. 28/826 useless extension candidates. Maximal degree in co-relation 7497. Up to 420 conditions per place. [2021-03-26 07:53:26,910 INFO L142 LiptonReduction]: Number of co-enabled transitions 556 [2021-03-26 07:53:26,963 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 07:53:26,963 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:53:26,963 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 156 [2021-03-26 07:53:26,963 INFO L480 AbstractCegarLoop]: Abstraction has has 270 places, 378 transitions, 5867 flow [2021-03-26 07:53:26,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:26,963 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:26,963 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:26,963 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-03-26 07:53:26,964 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:26,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:26,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1039427760, now seen corresponding path program 2 times [2021-03-26 07:53:26,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:26,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414360614] [2021-03-26 07:53:26,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:26,988 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:26,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:26,992 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:26,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:26,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:26,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:27,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:27,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:27,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:27,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:27,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:27,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:27,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:27,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:27,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:27,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:27,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:27,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:27,100 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:27,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:27,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:27,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414360614] [2021-03-26 07:53:27,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:27,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:27,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531428036] [2021-03-26 07:53:27,103 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:27,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:27,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:27,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:27,104 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-26 07:53:27,104 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 378 transitions, 5867 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:27,104 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:27,104 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-26 07:53:27,104 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:27,779 INFO L129 PetriNetUnfolder]: 607/1153 cut-off events. [2021-03-26 07:53:27,779 INFO L130 PetriNetUnfolder]: For 27003/27024 co-relation queries the response was YES. [2021-03-26 07:53:27,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11317 conditions, 1153 events. 607/1153 cut-off events. For 27003/27024 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 6660 event pairs, 106 based on Foata normal form. 10/1160 useless extension candidates. Maximal degree in co-relation 11210. Up to 940 conditions per place. [2021-03-26 07:53:27,793 INFO L132 encePairwiseOnDemand]: 86/109 looper letters, 294 selfloop transitions, 101 changer transitions 3/406 dead transitions. [2021-03-26 07:53:27,793 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 406 transitions, 7181 flow [2021-03-26 07:53:27,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:53:27,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:53:27,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 482 transitions. [2021-03-26 07:53:27,794 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2948012232415902 [2021-03-26 07:53:27,794 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 482 transitions. [2021-03-26 07:53:27,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 482 transitions. [2021-03-26 07:53:27,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:27,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 482 transitions. [2021-03-26 07:53:27,795 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.13333333333333) internal successors, (482), 15 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:27,796 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 109.0) internal successors, (1744), 16 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:27,796 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 109.0) internal successors, (1744), 16 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:27,796 INFO L185 Difference]: Start difference. First operand has 270 places, 378 transitions, 5867 flow. Second operand 15 states and 482 transitions. [2021-03-26 07:53:27,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 406 transitions, 7181 flow [2021-03-26 07:53:27,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 406 transitions, 7060 flow, removed 37 selfloop flow, removed 5 redundant places. [2021-03-26 07:53:27,923 INFO L241 Difference]: Finished difference. Result has 284 places, 379 transitions, 6009 flow [2021-03-26 07:53:27,923 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=5764, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=99, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6009, PETRI_PLACES=284, PETRI_TRANSITIONS=379} [2021-03-26 07:53:27,923 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 245 predicate places. [2021-03-26 07:53:27,923 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:27,923 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 284 places, 379 transitions, 6009 flow [2021-03-26 07:53:27,923 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 284 places, 379 transitions, 6009 flow [2021-03-26 07:53:27,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 282 places, 379 transitions, 6009 flow [2021-03-26 07:53:28,017 INFO L129 PetriNetUnfolder]: 388/828 cut-off events. [2021-03-26 07:53:28,017 INFO L130 PetriNetUnfolder]: For 19456/19616 co-relation queries the response was YES. [2021-03-26 07:53:28,023 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7739 conditions, 828 events. 388/828 cut-off events. For 19456/19616 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 5260 event pairs, 24 based on Foata normal form. 20/811 useless extension candidates. Maximal degree in co-relation 7633. Up to 425 conditions per place. [2021-03-26 07:53:28,030 INFO L142 LiptonReduction]: Number of co-enabled transitions 556 [2021-03-26 07:53:28,047 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:28,047 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:28,048 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 125 [2021-03-26 07:53:28,048 INFO L480 AbstractCegarLoop]: Abstraction has has 282 places, 379 transitions, 6009 flow [2021-03-26 07:53:28,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:28,048 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:28,048 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:28,048 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-03-26 07:53:28,048 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:28,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:28,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1073774041, now seen corresponding path program 1 times [2021-03-26 07:53:28,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:28,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67749403] [2021-03-26 07:53:28,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:28,057 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:28,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:28,061 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:28,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:28,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:28,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:28,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:28,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:28,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:28,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:28,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:28,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:28,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:28,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:28,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:28,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:28,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:28,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:28,138 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:53:28,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:28,153 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:28,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:28,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:28,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67749403] [2021-03-26 07:53:28,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:28,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:53:28,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205248255] [2021-03-26 07:53:28,156 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:53:28,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:28,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:53:28,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:53:28,157 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-26 07:53:28,157 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 379 transitions, 6009 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:28,157 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:28,157 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-26 07:53:28,157 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:28,763 INFO L129 PetriNetUnfolder]: 610/1159 cut-off events. [2021-03-26 07:53:28,763 INFO L130 PetriNetUnfolder]: For 28155/28176 co-relation queries the response was YES. [2021-03-26 07:53:28,772 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11484 conditions, 1159 events. 610/1159 cut-off events. For 28155/28176 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 6746 event pairs, 94 based on Foata normal form. 14/1172 useless extension candidates. Maximal degree in co-relation 11376. Up to 990 conditions per place. [2021-03-26 07:53:28,776 INFO L132 encePairwiseOnDemand]: 91/109 looper letters, 316 selfloop transitions, 75 changer transitions 2/401 dead transitions. [2021-03-26 07:53:28,776 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 401 transitions, 7192 flow [2021-03-26 07:53:28,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 07:53:28,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 07:53:28,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 525 transitions. [2021-03-26 07:53:28,777 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28332433890987585 [2021-03-26 07:53:28,777 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 525 transitions. [2021-03-26 07:53:28,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 525 transitions. [2021-03-26 07:53:28,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:28,778 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 525 transitions. [2021-03-26 07:53:28,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 30.88235294117647) internal successors, (525), 17 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:28,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 109.0) internal successors, (1962), 18 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:28,820 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 109.0) internal successors, (1962), 18 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:28,820 INFO L185 Difference]: Start difference. First operand has 282 places, 379 transitions, 6009 flow. Second operand 17 states and 525 transitions. [2021-03-26 07:53:28,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 401 transitions, 7192 flow [2021-03-26 07:53:28,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 401 transitions, 6843 flow, removed 57 selfloop flow, removed 15 redundant places. [2021-03-26 07:53:28,935 INFO L241 Difference]: Finished difference. Result has 288 places, 386 transitions, 5972 flow [2021-03-26 07:53:28,935 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=5674, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=5972, PETRI_PLACES=288, PETRI_TRANSITIONS=386} [2021-03-26 07:53:28,935 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 249 predicate places. [2021-03-26 07:53:28,935 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:28,935 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 288 places, 386 transitions, 5972 flow [2021-03-26 07:53:28,935 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 288 places, 386 transitions, 5972 flow [2021-03-26 07:53:28,938 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 287 places, 386 transitions, 5972 flow [2021-03-26 07:53:29,025 INFO L129 PetriNetUnfolder]: 378/831 cut-off events. [2021-03-26 07:53:29,025 INFO L130 PetriNetUnfolder]: For 18605/18676 co-relation queries the response was YES. [2021-03-26 07:53:29,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7544 conditions, 831 events. 378/831 cut-off events. For 18605/18676 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 5314 event pairs, 25 based on Foata normal form. 12/825 useless extension candidates. Maximal degree in co-relation 7417. Up to 417 conditions per place. [2021-03-26 07:53:29,039 INFO L142 LiptonReduction]: Number of co-enabled transitions 564 [2021-03-26 07:53:29,102 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:29,102 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:53:29,102 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 167 [2021-03-26 07:53:29,102 INFO L480 AbstractCegarLoop]: Abstraction has has 287 places, 386 transitions, 5979 flow [2021-03-26 07:53:29,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:29,102 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:29,102 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:29,102 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-03-26 07:53:29,103 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:29,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:29,103 INFO L82 PathProgramCache]: Analyzing trace with hash -2061853741, now seen corresponding path program 2 times [2021-03-26 07:53:29,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:29,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342561733] [2021-03-26 07:53:29,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:29,132 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:29,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:29,136 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:29,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:29,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:29,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:29,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:29,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:29,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:29,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:29,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:29,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:29,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:29,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:29,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:29,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:29,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:29,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:29,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:29,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:29,225 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:29,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:29,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:29,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342561733] [2021-03-26 07:53:29,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:29,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:53:29,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322457972] [2021-03-26 07:53:29,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:53:29,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:29,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:53:29,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:53:29,228 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 110 [2021-03-26 07:53:29,228 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 386 transitions, 5979 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:29,228 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:29,228 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 110 [2021-03-26 07:53:29,228 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:29,763 INFO L129 PetriNetUnfolder]: 620/1190 cut-off events. [2021-03-26 07:53:29,764 INFO L130 PetriNetUnfolder]: For 29670/29691 co-relation queries the response was YES. [2021-03-26 07:53:29,772 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11677 conditions, 1190 events. 620/1190 cut-off events. For 29670/29691 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 7002 event pairs, 143 based on Foata normal form. 11/1200 useless extension candidates. Maximal degree in co-relation 11557. Up to 1047 conditions per place. [2021-03-26 07:53:29,777 INFO L132 encePairwiseOnDemand]: 95/110 looper letters, 358 selfloop transitions, 42 changer transitions 1/409 dead transitions. [2021-03-26 07:53:29,777 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 409 transitions, 7196 flow [2021-03-26 07:53:29,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:53:29,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:53:29,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 488 transitions. [2021-03-26 07:53:29,778 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2772727272727273 [2021-03-26 07:53:29,778 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 488 transitions. [2021-03-26 07:53:29,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 488 transitions. [2021-03-26 07:53:29,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:29,778 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 488 transitions. [2021-03-26 07:53:29,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 30.5) internal successors, (488), 16 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:29,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 110.0) internal successors, (1870), 17 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:29,779 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 110.0) internal successors, (1870), 17 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:29,779 INFO L185 Difference]: Start difference. First operand has 287 places, 386 transitions, 5979 flow. Second operand 16 states and 488 transitions. [2021-03-26 07:53:29,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 409 transitions, 7196 flow [2021-03-26 07:53:29,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 409 transitions, 6962 flow, removed 35 selfloop flow, removed 13 redundant places. [2021-03-26 07:53:29,902 INFO L241 Difference]: Finished difference. Result has 293 places, 397 transitions, 6126 flow [2021-03-26 07:53:29,902 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=5767, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=6126, PETRI_PLACES=293, PETRI_TRANSITIONS=397} [2021-03-26 07:53:29,902 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 254 predicate places. [2021-03-26 07:53:29,902 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:29,902 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 293 places, 397 transitions, 6126 flow [2021-03-26 07:53:29,902 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 293 places, 397 transitions, 6126 flow [2021-03-26 07:53:29,905 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 292 places, 397 transitions, 6126 flow [2021-03-26 07:53:29,993 INFO L129 PetriNetUnfolder]: 386/863 cut-off events. [2021-03-26 07:53:29,993 INFO L130 PetriNetUnfolder]: For 21687/21791 co-relation queries the response was YES. [2021-03-26 07:53:30,000 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7921 conditions, 863 events. 386/863 cut-off events. For 21687/21791 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 5617 event pairs, 25 based on Foata normal form. 15/856 useless extension candidates. Maximal degree in co-relation 7814. Up to 433 conditions per place. [2021-03-26 07:53:30,006 INFO L142 LiptonReduction]: Number of co-enabled transitions 566 [2021-03-26 07:53:30,066 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 07:53:30,066 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:53:30,066 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 164 [2021-03-26 07:53:30,067 INFO L480 AbstractCegarLoop]: Abstraction has has 291 places, 396 transitions, 6120 flow [2021-03-26 07:53:30,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:30,067 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:30,067 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:30,067 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-03-26 07:53:30,067 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:30,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:30,067 INFO L82 PathProgramCache]: Analyzing trace with hash -343449579, now seen corresponding path program 1 times [2021-03-26 07:53:30,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:30,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194638425] [2021-03-26 07:53:30,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:30,075 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:30,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:30,079 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:30,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:30,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:30,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:30,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:30,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:30,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:30,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:30,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:30,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:30,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:30,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:30,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:30,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:30,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:30,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:30,152 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:30,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:30,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:30,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194638425] [2021-03-26 07:53:30,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:30,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:30,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421385533] [2021-03-26 07:53:30,155 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:30,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:30,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:30,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:30,155 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-26 07:53:30,156 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 396 transitions, 6120 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:30,156 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:30,156 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-26 07:53:30,156 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:30,625 INFO L129 PetriNetUnfolder]: 618/1187 cut-off events. [2021-03-26 07:53:30,625 INFO L130 PetriNetUnfolder]: For 32323/32344 co-relation queries the response was YES. [2021-03-26 07:53:30,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11759 conditions, 1187 events. 618/1187 cut-off events. For 32323/32344 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 7012 event pairs, 144 based on Foata normal form. 11/1197 useless extension candidates. Maximal degree in co-relation 11649. Up to 1039 conditions per place. [2021-03-26 07:53:30,640 INFO L132 encePairwiseOnDemand]: 96/111 looper letters, 357 selfloop transitions, 42 changer transitions 3/410 dead transitions. [2021-03-26 07:53:30,641 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 410 transitions, 7250 flow [2021-03-26 07:53:30,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:53:30,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:53:30,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 433 transitions. [2021-03-26 07:53:30,642 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27863577863577865 [2021-03-26 07:53:30,642 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 433 transitions. [2021-03-26 07:53:30,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 433 transitions. [2021-03-26 07:53:30,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:30,642 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 433 transitions. [2021-03-26 07:53:30,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 30.928571428571427) internal successors, (433), 14 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:30,643 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 111.0) internal successors, (1665), 15 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:30,643 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 111.0) internal successors, (1665), 15 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:30,643 INFO L185 Difference]: Start difference. First operand has 291 places, 396 transitions, 6120 flow. Second operand 14 states and 433 transitions. [2021-03-26 07:53:30,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 410 transitions, 7250 flow [2021-03-26 07:53:30,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 410 transitions, 7027 flow, removed 89 selfloop flow, removed 8 redundant places. [2021-03-26 07:53:30,833 INFO L241 Difference]: Finished difference. Result has 299 places, 395 transitions, 6010 flow [2021-03-26 07:53:30,834 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=5931, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=6010, PETRI_PLACES=299, PETRI_TRANSITIONS=395} [2021-03-26 07:53:30,834 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 260 predicate places. [2021-03-26 07:53:30,834 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:30,834 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 299 places, 395 transitions, 6010 flow [2021-03-26 07:53:30,834 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 299 places, 395 transitions, 6010 flow [2021-03-26 07:53:30,836 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 296 places, 395 transitions, 6010 flow [2021-03-26 07:53:30,942 INFO L129 PetriNetUnfolder]: 383/855 cut-off events. [2021-03-26 07:53:30,943 INFO L130 PetriNetUnfolder]: For 22044/22125 co-relation queries the response was YES. [2021-03-26 07:53:30,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7898 conditions, 855 events. 383/855 cut-off events. For 22044/22125 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 5612 event pairs, 27 based on Foata normal form. 18/850 useless extension candidates. Maximal degree in co-relation 7788. Up to 428 conditions per place. [2021-03-26 07:53:30,959 INFO L142 LiptonReduction]: Number of co-enabled transitions 564 [2021-03-26 07:53:30,977 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:30,977 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:30,977 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 143 [2021-03-26 07:53:30,978 INFO L480 AbstractCegarLoop]: Abstraction has has 296 places, 395 transitions, 6010 flow [2021-03-26 07:53:30,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:30,978 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:30,978 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:30,978 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-03-26 07:53:30,978 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:30,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:30,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1353677073, now seen corresponding path program 1 times [2021-03-26 07:53:30,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:30,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815006046] [2021-03-26 07:53:30,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:30,987 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:30,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:30,991 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:30,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:30,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:30,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:31,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:31,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:31,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:31,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:31,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:31,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:31,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:31,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:31,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:31,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:31,056 INFO L142 QuantifierPusher]: treesize reduction 25, result has 52.8 percent of original size [2021-03-26 07:53:31,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 07:53:31,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:31,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:31,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:31,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815006046] [2021-03-26 07:53:31,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:31,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:31,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728456041] [2021-03-26 07:53:31,080 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:31,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:31,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:31,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:31,081 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-26 07:53:31,081 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 395 transitions, 6010 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:31,081 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:31,081 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-26 07:53:31,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:31,573 INFO L129 PetriNetUnfolder]: 617/1187 cut-off events. [2021-03-26 07:53:31,573 INFO L130 PetriNetUnfolder]: For 32406/32427 co-relation queries the response was YES. [2021-03-26 07:53:31,582 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11782 conditions, 1187 events. 617/1187 cut-off events. For 32406/32427 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 7025 event pairs, 146 based on Foata normal form. 11/1197 useless extension candidates. Maximal degree in co-relation 11669. Up to 1050 conditions per place. [2021-03-26 07:53:31,587 INFO L132 encePairwiseOnDemand]: 96/111 looper letters, 354 selfloop transitions, 43 changer transitions 1/406 dead transitions. [2021-03-26 07:53:31,587 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 406 transitions, 6942 flow [2021-03-26 07:53:31,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:53:31,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:53:31,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 433 transitions. [2021-03-26 07:53:31,588 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27863577863577865 [2021-03-26 07:53:31,588 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 433 transitions. [2021-03-26 07:53:31,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 433 transitions. [2021-03-26 07:53:31,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:31,588 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 433 transitions. [2021-03-26 07:53:31,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 30.928571428571427) internal successors, (433), 14 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:31,589 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 111.0) internal successors, (1665), 15 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:31,589 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 111.0) internal successors, (1665), 15 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:31,589 INFO L185 Difference]: Start difference. First operand has 296 places, 395 transitions, 6010 flow. Second operand 14 states and 433 transitions. [2021-03-26 07:53:31,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 406 transitions, 6942 flow [2021-03-26 07:53:31,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 406 transitions, 6846 flow, removed 5 selfloop flow, removed 13 redundant places. [2021-03-26 07:53:31,730 INFO L241 Difference]: Finished difference. Result has 298 places, 397 transitions, 6049 flow [2021-03-26 07:53:31,731 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=5920, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=6049, PETRI_PLACES=298, PETRI_TRANSITIONS=397} [2021-03-26 07:53:31,731 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 259 predicate places. [2021-03-26 07:53:31,731 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:31,731 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 298 places, 397 transitions, 6049 flow [2021-03-26 07:53:31,731 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 298 places, 397 transitions, 6049 flow [2021-03-26 07:53:31,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 298 places, 397 transitions, 6049 flow [2021-03-26 07:53:31,828 INFO L129 PetriNetUnfolder]: 392/867 cut-off events. [2021-03-26 07:53:31,828 INFO L130 PetriNetUnfolder]: For 21119/21268 co-relation queries the response was YES. [2021-03-26 07:53:31,835 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8003 conditions, 867 events. 392/867 cut-off events. For 21119/21268 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 5620 event pairs, 27 based on Foata normal form. 14/851 useless extension candidates. Maximal degree in co-relation 7871. Up to 441 conditions per place. [2021-03-26 07:53:31,841 INFO L142 LiptonReduction]: Number of co-enabled transitions 564 [2021-03-26 07:53:31,859 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:31,860 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:31,860 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 129 [2021-03-26 07:53:31,860 INFO L480 AbstractCegarLoop]: Abstraction has has 298 places, 397 transitions, 6049 flow [2021-03-26 07:53:31,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:31,860 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:31,860 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:31,860 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-03-26 07:53:31,860 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:31,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:31,861 INFO L82 PathProgramCache]: Analyzing trace with hash -2124155055, now seen corresponding path program 2 times [2021-03-26 07:53:31,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:31,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858221147] [2021-03-26 07:53:31,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:31,869 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:31,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:31,873 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:31,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:31,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:31,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:31,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:31,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:31,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:31,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:31,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:31,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:31,913 INFO L142 QuantifierPusher]: treesize reduction 25, result has 54.5 percent of original size [2021-03-26 07:53:31,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:53:31,934 INFO L142 QuantifierPusher]: treesize reduction 25, result has 54.5 percent of original size [2021-03-26 07:53:31,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:53:31,958 INFO L142 QuantifierPusher]: treesize reduction 25, result has 52.8 percent of original size [2021-03-26 07:53:31,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 07:53:31,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:31,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:31,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:31,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858221147] [2021-03-26 07:53:31,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:31,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:31,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227629989] [2021-03-26 07:53:31,983 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:31,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:31,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:31,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:31,984 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-26 07:53:31,984 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 397 transitions, 6049 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:31,984 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:31,984 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-26 07:53:31,984 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:32,448 INFO L129 PetriNetUnfolder]: 616/1188 cut-off events. [2021-03-26 07:53:32,448 INFO L130 PetriNetUnfolder]: For 30444/30465 co-relation queries the response was YES. [2021-03-26 07:53:32,457 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11686 conditions, 1188 events. 616/1188 cut-off events. For 30444/30465 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 7005 event pairs, 162 based on Foata normal form. 11/1198 useless extension candidates. Maximal degree in co-relation 11561. Up to 1062 conditions per place. [2021-03-26 07:53:32,462 INFO L132 encePairwiseOnDemand]: 96/111 looper letters, 361 selfloop transitions, 37 changer transitions 1/407 dead transitions. [2021-03-26 07:53:32,462 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 407 transitions, 6958 flow [2021-03-26 07:53:32,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:53:32,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:53:32,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 404 transitions. [2021-03-26 07:53:32,463 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27997227997227997 [2021-03-26 07:53:32,463 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 404 transitions. [2021-03-26 07:53:32,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 404 transitions. [2021-03-26 07:53:32,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:32,464 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 404 transitions. [2021-03-26 07:53:32,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.076923076923077) internal successors, (404), 13 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:32,465 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 111.0) internal successors, (1554), 14 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:32,465 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 111.0) internal successors, (1554), 14 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:32,465 INFO L185 Difference]: Start difference. First operand has 298 places, 397 transitions, 6049 flow. Second operand 13 states and 404 transitions. [2021-03-26 07:53:32,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 407 transitions, 6958 flow [2021-03-26 07:53:32,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 407 transitions, 6832 flow, removed 15 selfloop flow, removed 13 redundant places. [2021-03-26 07:53:32,597 INFO L241 Difference]: Finished difference. Result has 300 places, 399 transitions, 6043 flow [2021-03-26 07:53:32,597 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=5933, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=6043, PETRI_PLACES=300, PETRI_TRANSITIONS=399} [2021-03-26 07:53:32,598 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 261 predicate places. [2021-03-26 07:53:32,598 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:32,598 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 300 places, 399 transitions, 6043 flow [2021-03-26 07:53:32,598 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 300 places, 399 transitions, 6043 flow [2021-03-26 07:53:32,600 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 300 places, 399 transitions, 6043 flow [2021-03-26 07:53:32,694 INFO L129 PetriNetUnfolder]: 380/859 cut-off events. [2021-03-26 07:53:32,695 INFO L130 PetriNetUnfolder]: For 20716/20793 co-relation queries the response was YES. [2021-03-26 07:53:32,701 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7830 conditions, 859 events. 380/859 cut-off events. For 20716/20793 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 5657 event pairs, 26 based on Foata normal form. 16/855 useless extension candidates. Maximal degree in co-relation 7696. Up to 423 conditions per place. [2021-03-26 07:53:32,709 INFO L142 LiptonReduction]: Number of co-enabled transitions 564 [2021-03-26 07:53:32,727 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:32,727 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:32,727 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 129 [2021-03-26 07:53:32,727 INFO L480 AbstractCegarLoop]: Abstraction has has 300 places, 399 transitions, 6043 flow [2021-03-26 07:53:32,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:32,728 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:32,728 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:32,728 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-03-26 07:53:32,728 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:32,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:32,728 INFO L82 PathProgramCache]: Analyzing trace with hash -461502367, now seen corresponding path program 3 times [2021-03-26 07:53:32,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:32,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987912726] [2021-03-26 07:53:32,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:32,736 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:32,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:32,740 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:32,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:32,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:32,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:32,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:32,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:32,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:32,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:32,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:32,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:32,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:32,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:32,792 INFO L142 QuantifierPusher]: treesize reduction 25, result has 54.5 percent of original size [2021-03-26 07:53:32,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:53:32,815 INFO L142 QuantifierPusher]: treesize reduction 25, result has 52.8 percent of original size [2021-03-26 07:53:32,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 07:53:32,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:32,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:32,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:32,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987912726] [2021-03-26 07:53:32,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:32,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:32,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413422390] [2021-03-26 07:53:32,841 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:32,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:32,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:32,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:32,841 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-26 07:53:32,842 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 399 transitions, 6043 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:32,842 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:32,842 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-26 07:53:32,842 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:33,342 INFO L129 PetriNetUnfolder]: 616/1182 cut-off events. [2021-03-26 07:53:33,342 INFO L130 PetriNetUnfolder]: For 30443/30464 co-relation queries the response was YES. [2021-03-26 07:53:33,351 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11648 conditions, 1182 events. 616/1182 cut-off events. For 30443/30464 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 7015 event pairs, 145 based on Foata normal form. 11/1192 useless extension candidates. Maximal degree in co-relation 11521. Up to 1055 conditions per place. [2021-03-26 07:53:33,355 INFO L132 encePairwiseOnDemand]: 96/111 looper letters, 358 selfloop transitions, 42 changer transitions 2/410 dead transitions. [2021-03-26 07:53:33,355 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 410 transitions, 6987 flow [2021-03-26 07:53:33,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:53:33,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:53:33,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 434 transitions. [2021-03-26 07:53:33,356 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27927927927927926 [2021-03-26 07:53:33,356 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 434 transitions. [2021-03-26 07:53:33,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 434 transitions. [2021-03-26 07:53:33,356 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:33,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 434 transitions. [2021-03-26 07:53:33,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.0) internal successors, (434), 14 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:33,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 111.0) internal successors, (1665), 15 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:33,358 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 111.0) internal successors, (1665), 15 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:33,358 INFO L185 Difference]: Start difference. First operand has 300 places, 399 transitions, 6043 flow. Second operand 14 states and 434 transitions. [2021-03-26 07:53:33,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 410 transitions, 6987 flow [2021-03-26 07:53:33,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 410 transitions, 6900 flow, removed 6 selfloop flow, removed 11 redundant places. [2021-03-26 07:53:33,499 INFO L241 Difference]: Finished difference. Result has 305 places, 400 transitions, 6078 flow [2021-03-26 07:53:33,499 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=5956, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=6078, PETRI_PLACES=305, PETRI_TRANSITIONS=400} [2021-03-26 07:53:33,499 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 266 predicate places. [2021-03-26 07:53:33,499 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:33,499 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 305 places, 400 transitions, 6078 flow [2021-03-26 07:53:33,499 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 305 places, 400 transitions, 6078 flow [2021-03-26 07:53:33,502 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 304 places, 400 transitions, 6078 flow [2021-03-26 07:53:33,593 INFO L129 PetriNetUnfolder]: 383/852 cut-off events. [2021-03-26 07:53:33,594 INFO L130 PetriNetUnfolder]: For 20831/20930 co-relation queries the response was YES. [2021-03-26 07:53:33,600 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7859 conditions, 852 events. 383/852 cut-off events. For 20831/20930 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 5596 event pairs, 28 based on Foata normal form. 15/845 useless extension candidates. Maximal degree in co-relation 7723. Up to 424 conditions per place. [2021-03-26 07:53:33,607 INFO L142 LiptonReduction]: Number of co-enabled transitions 566 [2021-03-26 07:53:33,626 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:33,626 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:33,626 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 127 [2021-03-26 07:53:33,626 INFO L480 AbstractCegarLoop]: Abstraction has has 304 places, 400 transitions, 6078 flow [2021-03-26 07:53:33,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:33,626 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:33,626 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:33,626 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-03-26 07:53:33,627 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:33,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:33,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1744243113, now seen corresponding path program 3 times [2021-03-26 07:53:33,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:33,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138279544] [2021-03-26 07:53:33,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:33,634 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:33,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:33,638 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:33,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:33,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:33,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:33,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:33,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:33,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:33,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:33,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:33,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:33,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:33,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:33,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:33,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:33,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:33,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:33,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:33,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:33,727 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:33,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:33,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:33,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138279544] [2021-03-26 07:53:33,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:33,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:53:33,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873766050] [2021-03-26 07:53:33,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:53:33,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:33,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:53:33,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:53:33,730 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-26 07:53:33,730 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 400 transitions, 6078 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:33,730 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:33,730 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-26 07:53:33,730 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:34,368 INFO L129 PetriNetUnfolder]: 633/1217 cut-off events. [2021-03-26 07:53:34,368 INFO L130 PetriNetUnfolder]: For 31627/31648 co-relation queries the response was YES. [2021-03-26 07:53:34,378 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12054 conditions, 1217 events. 633/1217 cut-off events. For 31627/31648 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 7290 event pairs, 154 based on Foata normal form. 14/1230 useless extension candidates. Maximal degree in co-relation 11925. Up to 1035 conditions per place. [2021-03-26 07:53:34,382 INFO L132 encePairwiseOnDemand]: 95/111 looper letters, 347 selfloop transitions, 84 changer transitions 4/443 dead transitions. [2021-03-26 07:53:34,382 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 443 transitions, 7667 flow [2021-03-26 07:53:34,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 07:53:34,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 07:53:34,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 558 transitions. [2021-03-26 07:53:34,383 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27927927927927926 [2021-03-26 07:53:34,384 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 558 transitions. [2021-03-26 07:53:34,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 558 transitions. [2021-03-26 07:53:34,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:34,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 558 transitions. [2021-03-26 07:53:34,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 31.0) internal successors, (558), 18 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:34,385 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 111.0) internal successors, (2109), 19 states have internal predecessors, (2109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:34,385 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 111.0) internal successors, (2109), 19 states have internal predecessors, (2109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:34,385 INFO L185 Difference]: Start difference. First operand has 304 places, 400 transitions, 6078 flow. Second operand 18 states and 558 transitions. [2021-03-26 07:53:34,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 443 transitions, 7667 flow [2021-03-26 07:53:34,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 443 transitions, 7542 flow, removed 17 selfloop flow, removed 14 redundant places. [2021-03-26 07:53:34,536 INFO L241 Difference]: Finished difference. Result has 314 places, 425 transitions, 6700 flow [2021-03-26 07:53:34,536 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=5969, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=6700, PETRI_PLACES=314, PETRI_TRANSITIONS=425} [2021-03-26 07:53:34,536 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 275 predicate places. [2021-03-26 07:53:34,537 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:34,537 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 314 places, 425 transitions, 6700 flow [2021-03-26 07:53:34,537 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 314 places, 425 transitions, 6700 flow [2021-03-26 07:53:34,539 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 312 places, 425 transitions, 6700 flow [2021-03-26 07:53:34,639 INFO L129 PetriNetUnfolder]: 400/888 cut-off events. [2021-03-26 07:53:34,639 INFO L130 PetriNetUnfolder]: For 24818/24971 co-relation queries the response was YES. [2021-03-26 07:53:34,646 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8480 conditions, 888 events. 400/888 cut-off events. For 24818/24971 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 5863 event pairs, 25 based on Foata normal form. 23/888 useless extension candidates. Maximal degree in co-relation 8365. Up to 436 conditions per place. [2021-03-26 07:53:34,653 INFO L142 LiptonReduction]: Number of co-enabled transitions 586 [2021-03-26 07:53:34,719 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 07:53:34,719 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:53:34,719 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 183 [2021-03-26 07:53:34,720 INFO L480 AbstractCegarLoop]: Abstraction has has 312 places, 425 transitions, 6726 flow [2021-03-26 07:53:34,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:34,720 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:34,720 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:34,720 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-03-26 07:53:34,720 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:34,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:34,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1953900659, now seen corresponding path program 1 times [2021-03-26 07:53:34,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:34,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842552118] [2021-03-26 07:53:34,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:34,729 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:34,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:34,733 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:34,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:34,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:34,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:34,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:34,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:34,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:34,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:34,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:34,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:53:34,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:34,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:53:34,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:34,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:53:34,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:34,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:34,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:34,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:34,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:34,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:34,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:34,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842552118] [2021-03-26 07:53:34,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:34,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:53:34,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983119433] [2021-03-26 07:53:34,820 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:53:34,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:34,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:53:34,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:53:34,820 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 112 [2021-03-26 07:53:34,821 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 425 transitions, 6726 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:34,821 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:34,821 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 112 [2021-03-26 07:53:34,821 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:35,646 INFO L129 PetriNetUnfolder]: 641/1230 cut-off events. [2021-03-26 07:53:35,647 INFO L130 PetriNetUnfolder]: For 38118/38122 co-relation queries the response was YES. [2021-03-26 07:53:35,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12757 conditions, 1230 events. 641/1230 cut-off events. For 38118/38122 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 7423 event pairs, 88 based on Foata normal form. 5/1234 useless extension candidates. Maximal degree in co-relation 12640. Up to 943 conditions per place. [2021-03-26 07:53:35,660 INFO L132 encePairwiseOnDemand]: 91/112 looper letters, 292 selfloop transitions, 154 changer transitions 2/456 dead transitions. [2021-03-26 07:53:35,660 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 456 transitions, 8179 flow [2021-03-26 07:53:35,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 07:53:35,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 07:53:35,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 571 transitions. [2021-03-26 07:53:35,661 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.283234126984127 [2021-03-26 07:53:35,661 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 571 transitions. [2021-03-26 07:53:35,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 571 transitions. [2021-03-26 07:53:35,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:35,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 571 transitions. [2021-03-26 07:53:35,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 31.72222222222222) internal successors, (571), 18 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:35,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 112.0) internal successors, (2128), 19 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:35,663 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 112.0) internal successors, (2128), 19 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:35,663 INFO L185 Difference]: Start difference. First operand has 312 places, 425 transitions, 6726 flow. Second operand 18 states and 571 transitions. [2021-03-26 07:53:35,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 456 transitions, 8179 flow [2021-03-26 07:53:35,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 456 transitions, 7912 flow, removed 110 selfloop flow, removed 8 redundant places. [2021-03-26 07:53:35,824 INFO L241 Difference]: Finished difference. Result has 325 places, 437 transitions, 7093 flow [2021-03-26 07:53:35,824 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=6459, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=145, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=7093, PETRI_PLACES=325, PETRI_TRANSITIONS=437} [2021-03-26 07:53:35,824 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 286 predicate places. [2021-03-26 07:53:35,824 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:35,824 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 325 places, 437 transitions, 7093 flow [2021-03-26 07:53:35,824 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 325 places, 437 transitions, 7093 flow [2021-03-26 07:53:35,827 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 324 places, 437 transitions, 7093 flow [2021-03-26 07:53:35,934 INFO L129 PetriNetUnfolder]: 399/891 cut-off events. [2021-03-26 07:53:35,935 INFO L130 PetriNetUnfolder]: For 27131/27227 co-relation queries the response was YES. [2021-03-26 07:53:35,942 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8835 conditions, 891 events. 399/891 cut-off events. For 27131/27227 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 5926 event pairs, 29 based on Foata normal form. 24/886 useless extension candidates. Maximal degree in co-relation 8693. Up to 418 conditions per place. [2021-03-26 07:53:35,950 INFO L142 LiptonReduction]: Number of co-enabled transitions 586 [2021-03-26 07:53:36,017 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 07:53:36,018 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:53:36,018 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 194 [2021-03-26 07:53:36,018 INFO L480 AbstractCegarLoop]: Abstraction has has 324 places, 437 transitions, 7097 flow [2021-03-26 07:53:36,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:36,018 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:36,018 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:36,018 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-03-26 07:53:36,018 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:36,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:36,019 INFO L82 PathProgramCache]: Analyzing trace with hash -99868038, now seen corresponding path program 1 times [2021-03-26 07:53:36,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:36,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406229536] [2021-03-26 07:53:36,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:36,026 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:36,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:36,031 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:36,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:36,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:36,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:36,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:36,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:36,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:36,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:36,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:36,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:36,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:36,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:53:36,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:36,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:36,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:36,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:36,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:36,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:36,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:36,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406229536] [2021-03-26 07:53:36,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:36,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:36,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71312504] [2021-03-26 07:53:36,106 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:36,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:36,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:36,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:36,107 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 113 [2021-03-26 07:53:36,107 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 437 transitions, 7097 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:36,107 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:36,107 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 113 [2021-03-26 07:53:36,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:36,772 INFO L129 PetriNetUnfolder]: 640/1232 cut-off events. [2021-03-26 07:53:36,773 INFO L130 PetriNetUnfolder]: For 40254/40289 co-relation queries the response was YES. [2021-03-26 07:53:36,783 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13122 conditions, 1232 events. 640/1232 cut-off events. For 40254/40289 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 7440 event pairs, 154 based on Foata normal form. 19/1249 useless extension candidates. Maximal degree in co-relation 12987. Up to 1056 conditions per place. [2021-03-26 07:53:36,789 INFO L132 encePairwiseOnDemand]: 96/113 looper letters, 356 selfloop transitions, 86 changer transitions 3/453 dead transitions. [2021-03-26 07:53:36,789 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 453 transitions, 8196 flow [2021-03-26 07:53:36,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:53:36,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:53:36,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 472 transitions. [2021-03-26 07:53:36,790 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2784660766961652 [2021-03-26 07:53:36,790 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 472 transitions. [2021-03-26 07:53:36,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 472 transitions. [2021-03-26 07:53:36,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:36,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 472 transitions. [2021-03-26 07:53:36,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.466666666666665) internal successors, (472), 15 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:36,792 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 113.0) internal successors, (1808), 16 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:36,792 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 113.0) internal successors, (1808), 16 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:36,792 INFO L185 Difference]: Start difference. First operand has 324 places, 437 transitions, 7097 flow. Second operand 15 states and 472 transitions. [2021-03-26 07:53:36,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 453 transitions, 8196 flow [2021-03-26 07:53:36,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 453 transitions, 7950 flow, removed 66 selfloop flow, removed 7 redundant places. [2021-03-26 07:53:36,986 INFO L241 Difference]: Finished difference. Result has 333 places, 440 transitions, 7102 flow [2021-03-26 07:53:36,986 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=6855, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=7102, PETRI_PLACES=333, PETRI_TRANSITIONS=440} [2021-03-26 07:53:36,986 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 294 predicate places. [2021-03-26 07:53:36,986 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:36,987 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 333 places, 440 transitions, 7102 flow [2021-03-26 07:53:36,987 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 333 places, 440 transitions, 7102 flow [2021-03-26 07:53:36,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 331 places, 440 transitions, 7102 flow [2021-03-26 07:53:37,100 INFO L129 PetriNetUnfolder]: 406/893 cut-off events. [2021-03-26 07:53:37,101 INFO L130 PetriNetUnfolder]: For 27077/27213 co-relation queries the response was YES. [2021-03-26 07:53:37,108 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8940 conditions, 893 events. 406/893 cut-off events. For 27077/27213 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 5891 event pairs, 30 based on Foata normal form. 25/882 useless extension candidates. Maximal degree in co-relation 8820. Up to 417 conditions per place. [2021-03-26 07:53:37,116 INFO L142 LiptonReduction]: Number of co-enabled transitions 588 [2021-03-26 07:53:37,138 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:37,139 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:37,139 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 153 [2021-03-26 07:53:37,139 INFO L480 AbstractCegarLoop]: Abstraction has has 331 places, 440 transitions, 7102 flow [2021-03-26 07:53:37,139 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:37,139 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:37,139 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:37,139 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-03-26 07:53:37,139 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:37,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:37,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1785232722, now seen corresponding path program 2 times [2021-03-26 07:53:37,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:37,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359019364] [2021-03-26 07:53:37,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:37,148 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:37,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:37,152 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:37,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:37,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:37,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:37,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:37,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:37,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:37,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:37,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:37,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:37,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:37,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:37,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:37,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:37,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:37,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:37,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:37,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:37,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:37,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359019364] [2021-03-26 07:53:37,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:37,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:53:37,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949239387] [2021-03-26 07:53:37,225 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:53:37,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:37,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:53:37,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:53:37,225 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 113 [2021-03-26 07:53:37,225 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 440 transitions, 7102 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:37,225 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:37,225 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 113 [2021-03-26 07:53:37,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:37,822 INFO L129 PetriNetUnfolder]: 642/1237 cut-off events. [2021-03-26 07:53:37,822 INFO L130 PetriNetUnfolder]: For 40896/40918 co-relation queries the response was YES. [2021-03-26 07:53:37,834 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13249 conditions, 1237 events. 642/1237 cut-off events. For 40896/40918 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 7441 event pairs, 145 based on Foata normal form. 14/1250 useless extension candidates. Maximal degree in co-relation 13127. Up to 1064 conditions per place. [2021-03-26 07:53:37,840 INFO L132 encePairwiseOnDemand]: 96/113 looper letters, 364 selfloop transitions, 82 changer transitions 2/456 dead transitions. [2021-03-26 07:53:37,840 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 456 transitions, 8246 flow [2021-03-26 07:53:37,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:53:37,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:53:37,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 447 transitions. [2021-03-26 07:53:37,841 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28255372945638435 [2021-03-26 07:53:37,841 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 447 transitions. [2021-03-26 07:53:37,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 447 transitions. [2021-03-26 07:53:37,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:37,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 447 transitions. [2021-03-26 07:53:37,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.928571428571427) internal successors, (447), 14 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:37,842 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 113.0) internal successors, (1695), 15 states have internal predecessors, (1695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:37,842 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 113.0) internal successors, (1695), 15 states have internal predecessors, (1695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:37,842 INFO L185 Difference]: Start difference. First operand has 331 places, 440 transitions, 7102 flow. Second operand 14 states and 447 transitions. [2021-03-26 07:53:37,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 456 transitions, 8246 flow [2021-03-26 07:53:38,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 456 transitions, 8044 flow, removed 14 selfloop flow, removed 13 redundant places. [2021-03-26 07:53:38,033 INFO L241 Difference]: Finished difference. Result has 336 places, 445 transitions, 7234 flow [2021-03-26 07:53:38,033 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=6909, PETRI_DIFFERENCE_MINUEND_PLACES=318, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=7234, PETRI_PLACES=336, PETRI_TRANSITIONS=445} [2021-03-26 07:53:38,033 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 297 predicate places. [2021-03-26 07:53:38,033 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:38,034 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 336 places, 445 transitions, 7234 flow [2021-03-26 07:53:38,034 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 336 places, 445 transitions, 7234 flow [2021-03-26 07:53:38,036 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 335 places, 445 transitions, 7234 flow [2021-03-26 07:53:38,177 INFO L129 PetriNetUnfolder]: 399/889 cut-off events. [2021-03-26 07:53:38,177 INFO L130 PetriNetUnfolder]: For 27428/27529 co-relation queries the response was YES. [2021-03-26 07:53:38,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8889 conditions, 889 events. 399/889 cut-off events. For 27428/27529 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 5933 event pairs, 31 based on Foata normal form. 25/882 useless extension candidates. Maximal degree in co-relation 8749. Up to 397 conditions per place. [2021-03-26 07:53:38,192 INFO L142 LiptonReduction]: Number of co-enabled transitions 592 [2021-03-26 07:53:38,278 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 07:53:38,279 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 07:53:38,279 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 246 [2021-03-26 07:53:38,279 INFO L480 AbstractCegarLoop]: Abstraction has has 335 places, 445 transitions, 7246 flow [2021-03-26 07:53:38,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:38,279 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:38,279 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:38,279 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-03-26 07:53:38,279 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:38,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:38,280 INFO L82 PathProgramCache]: Analyzing trace with hash -267667786, now seen corresponding path program 3 times [2021-03-26 07:53:38,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:38,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463302663] [2021-03-26 07:53:38,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:38,287 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:38,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:38,291 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:38,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:38,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:38,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:38,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:38,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:38,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:38,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:38,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:38,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:38,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:38,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:53:38,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:38,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:38,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:38,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:38,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:38,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:38,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:38,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463302663] [2021-03-26 07:53:38,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:38,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:53:38,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737224674] [2021-03-26 07:53:38,363 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:53:38,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:38,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:53:38,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:53:38,364 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 115 [2021-03-26 07:53:38,364 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 445 transitions, 7246 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:38,364 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:38,364 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 115 [2021-03-26 07:53:38,364 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:38,980 INFO L129 PetriNetUnfolder]: 642/1239 cut-off events. [2021-03-26 07:53:38,980 INFO L130 PetriNetUnfolder]: For 41094/41098 co-relation queries the response was YES. [2021-03-26 07:53:38,991 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13274 conditions, 1239 events. 642/1239 cut-off events. For 41094/41098 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 7483 event pairs, 163 based on Foata normal form. 5/1243 useless extension candidates. Maximal degree in co-relation 13133. Up to 1063 conditions per place. [2021-03-26 07:53:38,997 INFO L132 encePairwiseOnDemand]: 96/115 looper letters, 361 selfloop transitions, 85 changer transitions 2/456 dead transitions. [2021-03-26 07:53:38,997 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 456 transitions, 8277 flow [2021-03-26 07:53:38,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:53:38,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:53:38,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 447 transitions. [2021-03-26 07:53:38,998 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.277639751552795 [2021-03-26 07:53:38,998 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 447 transitions. [2021-03-26 07:53:38,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 447 transitions. [2021-03-26 07:53:38,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:38,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 447 transitions. [2021-03-26 07:53:38,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.928571428571427) internal successors, (447), 14 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:38,999 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 115.0) internal successors, (1725), 15 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:39,000 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 115.0) internal successors, (1725), 15 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:39,000 INFO L185 Difference]: Start difference. First operand has 335 places, 445 transitions, 7246 flow. Second operand 14 states and 447 transitions. [2021-03-26 07:53:39,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 456 transitions, 8277 flow [2021-03-26 07:53:39,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 456 transitions, 8039 flow, removed 41 selfloop flow, removed 10 redundant places. [2021-03-26 07:53:39,201 INFO L241 Difference]: Finished difference. Result has 341 places, 447 transitions, 7244 flow [2021-03-26 07:53:39,201 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=7014, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=7244, PETRI_PLACES=341, PETRI_TRANSITIONS=447} [2021-03-26 07:53:39,201 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 302 predicate places. [2021-03-26 07:53:39,201 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:39,202 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 341 places, 447 transitions, 7244 flow [2021-03-26 07:53:39,202 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 341 places, 447 transitions, 7244 flow [2021-03-26 07:53:39,204 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 340 places, 447 transitions, 7244 flow [2021-03-26 07:53:39,313 INFO L129 PetriNetUnfolder]: 398/888 cut-off events. [2021-03-26 07:53:39,313 INFO L130 PetriNetUnfolder]: For 27197/27289 co-relation queries the response was YES. [2021-03-26 07:53:39,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8874 conditions, 888 events. 398/888 cut-off events. For 27197/27289 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 5896 event pairs, 25 based on Foata normal form. 24/882 useless extension candidates. Maximal degree in co-relation 8733. Up to 394 conditions per place. [2021-03-26 07:53:39,329 INFO L142 LiptonReduction]: Number of co-enabled transitions 592 [2021-03-26 07:53:39,351 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:39,352 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:39,352 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 151 [2021-03-26 07:53:39,352 INFO L480 AbstractCegarLoop]: Abstraction has has 340 places, 447 transitions, 7244 flow [2021-03-26 07:53:39,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:39,352 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:39,352 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:39,352 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-03-26 07:53:39,352 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:39,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:39,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1364210531, now seen corresponding path program 1 times [2021-03-26 07:53:39,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:39,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044581543] [2021-03-26 07:53:39,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:39,360 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:39,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:39,364 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:39,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:39,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:39,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:39,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:39,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:39,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:39,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:39,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:39,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:39,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:39,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:39,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:39,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:39,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:39,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:39,442 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:39,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:39,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:39,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044581543] [2021-03-26 07:53:39,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:39,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:39,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980461901] [2021-03-26 07:53:39,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:39,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:39,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:39,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:39,445 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 115 [2021-03-26 07:53:39,445 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 447 transitions, 7244 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:39,445 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:39,445 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 115 [2021-03-26 07:53:39,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:40,046 INFO L129 PetriNetUnfolder]: 642/1244 cut-off events. [2021-03-26 07:53:40,046 INFO L130 PetriNetUnfolder]: For 41264/41294 co-relation queries the response was YES. [2021-03-26 07:53:40,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13274 conditions, 1244 events. 642/1244 cut-off events. For 41264/41294 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 7592 event pairs, 94 based on Foata normal form. 19/1262 useless extension candidates. Maximal degree in co-relation 13132. Up to 1056 conditions per place. [2021-03-26 07:53:40,063 INFO L132 encePairwiseOnDemand]: 94/115 looper letters, 350 selfloop transitions, 98 changer transitions 5/461 dead transitions. [2021-03-26 07:53:40,063 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 461 transitions, 8370 flow [2021-03-26 07:53:40,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:53:40,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:53:40,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 478 transitions. [2021-03-26 07:53:40,064 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27710144927536234 [2021-03-26 07:53:40,064 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 478 transitions. [2021-03-26 07:53:40,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 478 transitions. [2021-03-26 07:53:40,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:40,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 478 transitions. [2021-03-26 07:53:40,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.866666666666667) internal successors, (478), 15 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:40,065 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 115.0) internal successors, (1840), 16 states have internal predecessors, (1840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:40,065 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 115.0) internal successors, (1840), 16 states have internal predecessors, (1840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:40,065 INFO L185 Difference]: Start difference. First operand has 340 places, 447 transitions, 7244 flow. Second operand 15 states and 478 transitions. [2021-03-26 07:53:40,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 461 transitions, 8370 flow [2021-03-26 07:53:40,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 461 transitions, 8164 flow, removed 7 selfloop flow, removed 13 redundant places. [2021-03-26 07:53:40,272 INFO L241 Difference]: Finished difference. Result has 345 places, 447 transitions, 7267 flow [2021-03-26 07:53:40,272 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=7040, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=98, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=7267, PETRI_PLACES=345, PETRI_TRANSITIONS=447} [2021-03-26 07:53:40,272 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 306 predicate places. [2021-03-26 07:53:40,273 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:40,273 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 345 places, 447 transitions, 7267 flow [2021-03-26 07:53:40,273 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 345 places, 447 transitions, 7267 flow [2021-03-26 07:53:40,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 341 places, 447 transitions, 7267 flow [2021-03-26 07:53:40,383 INFO L129 PetriNetUnfolder]: 400/891 cut-off events. [2021-03-26 07:53:40,383 INFO L130 PetriNetUnfolder]: For 28659/28743 co-relation queries the response was YES. [2021-03-26 07:53:40,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8969 conditions, 891 events. 400/891 cut-off events. For 28659/28743 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 5941 event pairs, 31 based on Foata normal form. 20/883 useless extension candidates. Maximal degree in co-relation 8844. Up to 392 conditions per place. [2021-03-26 07:53:40,398 INFO L142 LiptonReduction]: Number of co-enabled transitions 590 [2021-03-26 07:53:40,420 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:40,421 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:40,421 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 149 [2021-03-26 07:53:40,421 INFO L480 AbstractCegarLoop]: Abstraction has has 341 places, 447 transitions, 7267 flow [2021-03-26 07:53:40,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:40,421 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:40,421 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:40,421 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-03-26 07:53:40,421 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:40,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:40,422 INFO L82 PathProgramCache]: Analyzing trace with hash 490469851, now seen corresponding path program 2 times [2021-03-26 07:53:40,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:40,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583972655] [2021-03-26 07:53:40,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:40,429 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:40,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:40,433 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:40,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:40,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:40,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:40,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:40,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:40,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:40,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:40,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:40,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:40,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:40,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:40,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:40,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:40,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:40,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:40,508 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:40,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:40,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:40,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583972655] [2021-03-26 07:53:40,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:40,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:40,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977806390] [2021-03-26 07:53:40,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:40,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:40,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:40,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:40,512 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 115 [2021-03-26 07:53:40,512 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 447 transitions, 7267 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:40,512 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:40,512 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 115 [2021-03-26 07:53:40,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:41,147 INFO L129 PetriNetUnfolder]: 640/1243 cut-off events. [2021-03-26 07:53:41,147 INFO L130 PetriNetUnfolder]: For 44186/44215 co-relation queries the response was YES. [2021-03-26 07:53:41,159 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13456 conditions, 1243 events. 640/1243 cut-off events. For 44186/44215 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 7579 event pairs, 110 based on Foata normal form. 21/1263 useless extension candidates. Maximal degree in co-relation 13329. Up to 1025 conditions per place. [2021-03-26 07:53:41,164 INFO L132 encePairwiseOnDemand]: 91/115 looper letters, 328 selfloop transitions, 124 changer transitions 3/463 dead transitions. [2021-03-26 07:53:41,164 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 463 transitions, 8483 flow [2021-03-26 07:53:41,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:53:41,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:53:41,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 454 transitions. [2021-03-26 07:53:41,166 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2819875776397516 [2021-03-26 07:53:41,166 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 454 transitions. [2021-03-26 07:53:41,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 454 transitions. [2021-03-26 07:53:41,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:41,166 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 454 transitions. [2021-03-26 07:53:41,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.42857142857143) internal successors, (454), 14 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:41,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 115.0) internal successors, (1725), 15 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:41,167 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 115.0) internal successors, (1725), 15 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:41,167 INFO L185 Difference]: Start difference. First operand has 341 places, 447 transitions, 7267 flow. Second operand 14 states and 454 transitions. [2021-03-26 07:53:41,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 463 transitions, 8483 flow [2021-03-26 07:53:41,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 463 transitions, 8275 flow, removed 6 selfloop flow, removed 13 redundant places. [2021-03-26 07:53:41,367 INFO L241 Difference]: Finished difference. Result has 344 places, 447 transitions, 7368 flow [2021-03-26 07:53:41,368 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=7063, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=123, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=7368, PETRI_PLACES=344, PETRI_TRANSITIONS=447} [2021-03-26 07:53:41,368 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 305 predicate places. [2021-03-26 07:53:41,368 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:41,368 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 344 places, 447 transitions, 7368 flow [2021-03-26 07:53:41,368 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 344 places, 447 transitions, 7368 flow [2021-03-26 07:53:41,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 342 places, 447 transitions, 7368 flow [2021-03-26 07:53:41,490 INFO L129 PetriNetUnfolder]: 416/916 cut-off events. [2021-03-26 07:53:41,490 INFO L130 PetriNetUnfolder]: For 34701/34830 co-relation queries the response was YES. [2021-03-26 07:53:41,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9454 conditions, 916 events. 416/916 cut-off events. For 34701/34830 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 6039 event pairs, 29 based on Foata normal form. 22/905 useless extension candidates. Maximal degree in co-relation 9329. Up to 415 conditions per place. [2021-03-26 07:53:41,507 INFO L142 LiptonReduction]: Number of co-enabled transitions 590 [2021-03-26 07:53:41,530 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:41,530 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:41,530 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 162 [2021-03-26 07:53:41,530 INFO L480 AbstractCegarLoop]: Abstraction has has 342 places, 447 transitions, 7368 flow [2021-03-26 07:53:41,530 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:41,531 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:41,531 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:41,531 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-03-26 07:53:41,531 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:41,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:41,531 INFO L82 PathProgramCache]: Analyzing trace with hash 227475693, now seen corresponding path program 1 times [2021-03-26 07:53:41,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:41,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898843115] [2021-03-26 07:53:41,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:41,539 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:41,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:41,543 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:41,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:41,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:41,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:41,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:41,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:41,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:41,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:41,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:41,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:41,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:41,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:41,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:41,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:41,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:41,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:41,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:41,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:41,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:41,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898843115] [2021-03-26 07:53:41,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:41,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:41,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538186557] [2021-03-26 07:53:41,625 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:41,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:41,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:41,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:41,625 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 115 [2021-03-26 07:53:41,625 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 447 transitions, 7368 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:41,625 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:41,625 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 115 [2021-03-26 07:53:41,625 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:42,259 INFO L129 PetriNetUnfolder]: 640/1237 cut-off events. [2021-03-26 07:53:42,259 INFO L130 PetriNetUnfolder]: For 45716/45720 co-relation queries the response was YES. [2021-03-26 07:53:42,270 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13610 conditions, 1237 events. 640/1237 cut-off events. For 45716/45720 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 7503 event pairs, 164 based on Foata normal form. 5/1241 useless extension candidates. Maximal degree in co-relation 13483. Up to 1076 conditions per place. [2021-03-26 07:53:42,276 INFO L132 encePairwiseOnDemand]: 99/115 looper letters, 375 selfloop transitions, 73 changer transitions 2/458 dead transitions. [2021-03-26 07:53:42,276 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 458 transitions, 8423 flow [2021-03-26 07:53:42,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 07:53:42,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 07:53:42,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 523 transitions. [2021-03-26 07:53:42,277 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2675191815856777 [2021-03-26 07:53:42,277 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 523 transitions. [2021-03-26 07:53:42,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 523 transitions. [2021-03-26 07:53:42,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:42,278 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 523 transitions. [2021-03-26 07:53:42,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 30.764705882352942) internal successors, (523), 17 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:42,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 115.0) internal successors, (2070), 18 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:42,279 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 115.0) internal successors, (2070), 18 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:42,279 INFO L185 Difference]: Start difference. First operand has 342 places, 447 transitions, 7368 flow. Second operand 17 states and 523 transitions. [2021-03-26 07:53:42,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 458 transitions, 8423 flow [2021-03-26 07:53:42,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 458 transitions, 8128 flow, removed 23 selfloop flow, removed 13 redundant places. [2021-03-26 07:53:42,513 INFO L241 Difference]: Finished difference. Result has 348 places, 448 transitions, 7265 flow [2021-03-26 07:53:42,514 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=7077, PETRI_DIFFERENCE_MINUEND_PLACES=329, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=7265, PETRI_PLACES=348, PETRI_TRANSITIONS=448} [2021-03-26 07:53:42,514 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 309 predicate places. [2021-03-26 07:53:42,514 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:42,514 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 348 places, 448 transitions, 7265 flow [2021-03-26 07:53:42,514 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 348 places, 448 transitions, 7265 flow [2021-03-26 07:53:42,517 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 347 places, 448 transitions, 7265 flow [2021-03-26 07:53:42,629 INFO L129 PetriNetUnfolder]: 402/897 cut-off events. [2021-03-26 07:53:42,630 INFO L130 PetriNetUnfolder]: For 30382/30505 co-relation queries the response was YES. [2021-03-26 07:53:42,637 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9040 conditions, 897 events. 402/897 cut-off events. For 30382/30505 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 5952 event pairs, 32 based on Foata normal form. 19/885 useless extension candidates. Maximal degree in co-relation 8901. Up to 401 conditions per place. [2021-03-26 07:53:42,645 INFO L142 LiptonReduction]: Number of co-enabled transitions 592 [2021-03-26 07:53:42,725 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:42,725 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:53:42,725 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 211 [2021-03-26 07:53:42,725 INFO L480 AbstractCegarLoop]: Abstraction has has 347 places, 448 transitions, 7281 flow [2021-03-26 07:53:42,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:42,725 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:42,725 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:42,725 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-03-26 07:53:42,726 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:42,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:42,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1171767769, now seen corresponding path program 2 times [2021-03-26 07:53:42,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:42,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016626332] [2021-03-26 07:53:42,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:42,733 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:42,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:42,737 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:42,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:42,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:42,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:42,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:42,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:42,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:42,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:42,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:42,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:42,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:42,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:42,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:42,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:42,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:42,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:42,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:42,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:42,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:42,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016626332] [2021-03-26 07:53:42,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:42,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:42,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701503103] [2021-03-26 07:53:42,813 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:42,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:42,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:42,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:42,813 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 116 [2021-03-26 07:53:42,813 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 448 transitions, 7281 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:42,813 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:42,813 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 116 [2021-03-26 07:53:42,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:43,349 INFO L129 PetriNetUnfolder]: 639/1243 cut-off events. [2021-03-26 07:53:43,349 INFO L130 PetriNetUnfolder]: For 42932/42962 co-relation queries the response was YES. [2021-03-26 07:53:43,358 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13381 conditions, 1243 events. 639/1243 cut-off events. For 42932/42962 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 7625 event pairs, 142 based on Foata normal form. 16/1258 useless extension candidates. Maximal degree in co-relation 13238. Up to 1106 conditions per place. [2021-03-26 07:53:43,363 INFO L132 encePairwiseOnDemand]: 101/116 looper letters, 403 selfloop transitions, 43 changer transitions 3/457 dead transitions. [2021-03-26 07:53:43,364 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 457 transitions, 8284 flow [2021-03-26 07:53:43,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:53:43,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:53:43,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 459 transitions. [2021-03-26 07:53:43,365 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2637931034482759 [2021-03-26 07:53:43,365 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 459 transitions. [2021-03-26 07:53:43,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 459 transitions. [2021-03-26 07:53:43,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:43,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 459 transitions. [2021-03-26 07:53:43,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 30.6) internal successors, (459), 15 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:43,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 116.0) internal successors, (1856), 16 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:43,366 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 116.0) internal successors, (1856), 16 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:43,366 INFO L185 Difference]: Start difference. First operand has 347 places, 448 transitions, 7281 flow. Second operand 15 states and 459 transitions. [2021-03-26 07:53:43,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 457 transitions, 8284 flow [2021-03-26 07:53:43,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 457 transitions, 8123 flow, removed 7 selfloop flow, removed 15 redundant places. [2021-03-26 07:53:43,557 INFO L241 Difference]: Finished difference. Result has 348 places, 446 transitions, 7167 flow [2021-03-26 07:53:43,558 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=7120, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=7167, PETRI_PLACES=348, PETRI_TRANSITIONS=446} [2021-03-26 07:53:43,558 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 309 predicate places. [2021-03-26 07:53:43,558 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:43,558 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 348 places, 446 transitions, 7167 flow [2021-03-26 07:53:43,558 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 348 places, 446 transitions, 7167 flow [2021-03-26 07:53:43,560 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 344 places, 446 transitions, 7167 flow [2021-03-26 07:53:43,660 INFO L129 PetriNetUnfolder]: 408/902 cut-off events. [2021-03-26 07:53:43,660 INFO L130 PetriNetUnfolder]: For 31533/31652 co-relation queries the response was YES. [2021-03-26 07:53:43,667 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9087 conditions, 902 events. 408/902 cut-off events. For 31533/31652 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 5978 event pairs, 33 based on Foata normal form. 19/888 useless extension candidates. Maximal degree in co-relation 8962. Up to 407 conditions per place. [2021-03-26 07:53:43,674 INFO L142 LiptonReduction]: Number of co-enabled transitions 590 [2021-03-26 07:53:43,696 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:43,696 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:43,696 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 138 [2021-03-26 07:53:43,697 INFO L480 AbstractCegarLoop]: Abstraction has has 344 places, 446 transitions, 7167 flow [2021-03-26 07:53:43,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:43,697 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:43,697 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:43,697 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-03-26 07:53:43,697 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:43,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:43,697 INFO L82 PathProgramCache]: Analyzing trace with hash 123030770, now seen corresponding path program 1 times [2021-03-26 07:53:43,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:43,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333785144] [2021-03-26 07:53:43,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:43,704 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:43,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:43,708 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:43,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:43,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:43,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:43,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:43,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:43,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:43,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:43,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:43,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:43,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:43,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:43,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:43,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:43,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:43,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:43,783 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:43,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:43,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:43,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333785144] [2021-03-26 07:53:43,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:43,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:43,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966975083] [2021-03-26 07:53:43,785 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:43,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:43,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:43,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:43,786 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 116 [2021-03-26 07:53:43,786 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 446 transitions, 7167 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:43,786 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:43,786 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 116 [2021-03-26 07:53:43,786 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:44,385 INFO L129 PetriNetUnfolder]: 638/1236 cut-off events. [2021-03-26 07:53:44,385 INFO L130 PetriNetUnfolder]: For 42757/42779 co-relation queries the response was YES. [2021-03-26 07:53:44,396 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13293 conditions, 1236 events. 638/1236 cut-off events. For 42757/42779 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 7497 event pairs, 144 based on Foata normal form. 14/1249 useless extension candidates. Maximal degree in co-relation 13166. Up to 1057 conditions per place. [2021-03-26 07:53:44,401 INFO L132 encePairwiseOnDemand]: 99/116 looper letters, 360 selfloop transitions, 82 changer transitions 5/455 dead transitions. [2021-03-26 07:53:44,401 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 455 transitions, 8158 flow [2021-03-26 07:53:44,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:53:44,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:53:44,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 499 transitions. [2021-03-26 07:53:44,402 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.26885775862068967 [2021-03-26 07:53:44,402 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 499 transitions. [2021-03-26 07:53:44,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 499 transitions. [2021-03-26 07:53:44,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:44,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 499 transitions. [2021-03-26 07:53:44,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.1875) internal successors, (499), 16 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:44,404 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 116.0) internal successors, (1972), 17 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:44,404 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 116.0) internal successors, (1972), 17 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:44,404 INFO L185 Difference]: Start difference. First operand has 344 places, 446 transitions, 7167 flow. Second operand 16 states and 499 transitions. [2021-03-26 07:53:44,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 455 transitions, 8158 flow [2021-03-26 07:53:44,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 455 transitions, 8064 flow, removed 4 selfloop flow, removed 14 redundant places. [2021-03-26 07:53:44,604 INFO L241 Difference]: Finished difference. Result has 347 places, 442 transitions, 7190 flow [2021-03-26 07:53:44,604 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=7073, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=7190, PETRI_PLACES=347, PETRI_TRANSITIONS=442} [2021-03-26 07:53:44,604 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 308 predicate places. [2021-03-26 07:53:44,604 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:44,604 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 347 places, 442 transitions, 7190 flow [2021-03-26 07:53:44,604 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 347 places, 442 transitions, 7190 flow [2021-03-26 07:53:44,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 342 places, 442 transitions, 7190 flow [2021-03-26 07:53:44,710 INFO L129 PetriNetUnfolder]: 400/889 cut-off events. [2021-03-26 07:53:44,710 INFO L130 PetriNetUnfolder]: For 30395/30519 co-relation queries the response was YES. [2021-03-26 07:53:44,718 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9007 conditions, 889 events. 400/889 cut-off events. For 30395/30519 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 5915 event pairs, 29 based on Foata normal form. 19/878 useless extension candidates. Maximal degree in co-relation 8883. Up to 400 conditions per place. [2021-03-26 07:53:44,725 INFO L142 LiptonReduction]: Number of co-enabled transitions 590 [2021-03-26 07:53:44,749 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:44,749 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:44,749 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 145 [2021-03-26 07:53:44,750 INFO L480 AbstractCegarLoop]: Abstraction has has 342 places, 442 transitions, 7190 flow [2021-03-26 07:53:44,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:44,750 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:44,750 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:44,750 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-03-26 07:53:44,750 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:44,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:44,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1489370070, now seen corresponding path program 4 times [2021-03-26 07:53:44,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:44,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107294957] [2021-03-26 07:53:44,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:44,758 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:44,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:44,762 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:44,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:44,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:44,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:44,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:44,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:44,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:44,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:44,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:44,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:44,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:44,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:44,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:44,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:44,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:44,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:44,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:44,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:44,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:44,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107294957] [2021-03-26 07:53:44,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:44,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:44,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878044249] [2021-03-26 07:53:44,840 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:44,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:44,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:44,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:44,840 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 116 [2021-03-26 07:53:44,840 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 442 transitions, 7190 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:44,840 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:44,841 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 116 [2021-03-26 07:53:44,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:45,386 INFO L129 PetriNetUnfolder]: 636/1234 cut-off events. [2021-03-26 07:53:45,386 INFO L130 PetriNetUnfolder]: For 42775/42797 co-relation queries the response was YES. [2021-03-26 07:53:45,397 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13314 conditions, 1234 events. 636/1234 cut-off events. For 42775/42797 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 7544 event pairs, 141 based on Foata normal form. 14/1247 useless extension candidates. Maximal degree in co-relation 13188. Up to 1059 conditions per place. [2021-03-26 07:53:45,402 INFO L132 encePairwiseOnDemand]: 100/116 looper letters, 363 selfloop transitions, 77 changer transitions 3/451 dead transitions. [2021-03-26 07:53:45,402 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 451 transitions, 8167 flow [2021-03-26 07:53:45,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:53:45,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:53:45,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 441 transitions. [2021-03-26 07:53:45,403 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27155172413793105 [2021-03-26 07:53:45,403 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 441 transitions. [2021-03-26 07:53:45,403 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 441 transitions. [2021-03-26 07:53:45,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:45,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 441 transitions. [2021-03-26 07:53:45,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.5) internal successors, (441), 14 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:45,404 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 116.0) internal successors, (1740), 15 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:45,404 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 116.0) internal successors, (1740), 15 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:45,404 INFO L185 Difference]: Start difference. First operand has 342 places, 442 transitions, 7190 flow. Second operand 14 states and 441 transitions. [2021-03-26 07:53:45,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 451 transitions, 8167 flow [2021-03-26 07:53:45,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 451 transitions, 7991 flow, removed 5 selfloop flow, removed 14 redundant places. [2021-03-26 07:53:45,637 INFO L241 Difference]: Finished difference. Result has 343 places, 440 transitions, 7149 flow [2021-03-26 07:53:45,638 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=7016, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=442, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=7149, PETRI_PLACES=343, PETRI_TRANSITIONS=440} [2021-03-26 07:53:45,638 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 304 predicate places. [2021-03-26 07:53:45,638 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:45,638 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 343 places, 440 transitions, 7149 flow [2021-03-26 07:53:45,638 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 343 places, 440 transitions, 7149 flow [2021-03-26 07:53:45,641 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 339 places, 440 transitions, 7149 flow [2021-03-26 07:53:45,746 INFO L129 PetriNetUnfolder]: 406/894 cut-off events. [2021-03-26 07:53:45,746 INFO L130 PetriNetUnfolder]: For 28053/28155 co-relation queries the response was YES. [2021-03-26 07:53:45,754 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9009 conditions, 894 events. 406/894 cut-off events. For 28053/28155 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 5892 event pairs, 31 based on Foata normal form. 19/881 useless extension candidates. Maximal degree in co-relation 8886. Up to 406 conditions per place. [2021-03-26 07:53:45,762 INFO L142 LiptonReduction]: Number of co-enabled transitions 588 [2021-03-26 07:53:45,783 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:45,784 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:45,784 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 146 [2021-03-26 07:53:45,784 INFO L480 AbstractCegarLoop]: Abstraction has has 339 places, 440 transitions, 7149 flow [2021-03-26 07:53:45,784 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:45,784 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:45,784 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:45,784 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-03-26 07:53:45,784 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:45,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:45,785 INFO L82 PathProgramCache]: Analyzing trace with hash -899872614, now seen corresponding path program 5 times [2021-03-26 07:53:45,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:45,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835246446] [2021-03-26 07:53:45,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:45,792 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:45,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:45,796 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:45,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:45,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:45,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:45,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:45,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:45,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:45,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:45,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:45,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:45,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:45,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:53:45,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:45,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:45,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:45,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:45,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:45,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:45,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:45,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835246446] [2021-03-26 07:53:45,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:45,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:45,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007860837] [2021-03-26 07:53:45,870 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:45,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:45,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:45,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:45,870 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 116 [2021-03-26 07:53:45,870 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 440 transitions, 7149 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:45,871 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:45,871 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 116 [2021-03-26 07:53:45,871 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:46,456 INFO L129 PetriNetUnfolder]: 635/1233 cut-off events. [2021-03-26 07:53:46,456 INFO L130 PetriNetUnfolder]: For 42171/42200 co-relation queries the response was YES. [2021-03-26 07:53:46,467 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13213 conditions, 1233 events. 635/1233 cut-off events. For 42171/42200 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 7558 event pairs, 140 based on Foata normal form. 21/1253 useless extension candidates. Maximal degree in co-relation 13088. Up to 1055 conditions per place. [2021-03-26 07:53:46,472 INFO L132 encePairwiseOnDemand]: 100/116 looper letters, 359 selfloop transitions, 78 changer transitions 3/448 dead transitions. [2021-03-26 07:53:46,472 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 448 transitions, 8112 flow [2021-03-26 07:53:46,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:53:46,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:53:46,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 469 transitions. [2021-03-26 07:53:46,473 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2695402298850575 [2021-03-26 07:53:46,473 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 469 transitions. [2021-03-26 07:53:46,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 469 transitions. [2021-03-26 07:53:46,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:46,473 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 469 transitions. [2021-03-26 07:53:46,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.266666666666666) internal successors, (469), 15 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:46,474 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 116.0) internal successors, (1856), 16 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:46,474 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 116.0) internal successors, (1856), 16 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:46,474 INFO L185 Difference]: Start difference. First operand has 339 places, 440 transitions, 7149 flow. Second operand 15 states and 469 transitions. [2021-03-26 07:53:46,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 448 transitions, 8112 flow [2021-03-26 07:53:46,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 448 transitions, 7929 flow, removed 5 selfloop flow, removed 13 redundant places. [2021-03-26 07:53:46,665 INFO L241 Difference]: Finished difference. Result has 342 places, 438 transitions, 7109 flow [2021-03-26 07:53:46,665 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=6970, PETRI_DIFFERENCE_MINUEND_PLACES=326, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=7109, PETRI_PLACES=342, PETRI_TRANSITIONS=438} [2021-03-26 07:53:46,665 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 303 predicate places. [2021-03-26 07:53:46,665 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:46,665 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 342 places, 438 transitions, 7109 flow [2021-03-26 07:53:46,665 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 342 places, 438 transitions, 7109 flow [2021-03-26 07:53:46,668 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 338 places, 438 transitions, 7109 flow [2021-03-26 07:53:46,768 INFO L129 PetriNetUnfolder]: 396/881 cut-off events. [2021-03-26 07:53:46,769 INFO L130 PetriNetUnfolder]: For 26709/26815 co-relation queries the response was YES. [2021-03-26 07:53:46,776 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8760 conditions, 881 events. 396/881 cut-off events. For 26709/26815 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 5879 event pairs, 28 based on Foata normal form. 23/873 useless extension candidates. Maximal degree in co-relation 8638. Up to 396 conditions per place. [2021-03-26 07:53:46,783 INFO L142 LiptonReduction]: Number of co-enabled transitions 584 [2021-03-26 07:53:46,805 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:46,805 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:46,805 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 140 [2021-03-26 07:53:46,806 INFO L480 AbstractCegarLoop]: Abstraction has has 338 places, 438 transitions, 7109 flow [2021-03-26 07:53:46,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:46,806 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:46,806 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:46,806 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-03-26 07:53:46,806 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:46,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:46,806 INFO L82 PathProgramCache]: Analyzing trace with hash -339843998, now seen corresponding path program 6 times [2021-03-26 07:53:46,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:46,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465265213] [2021-03-26 07:53:46,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:46,813 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:46,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:46,817 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:46,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:46,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:46,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:46,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:46,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:46,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:46,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:46,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:46,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:46,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:46,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:46,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:46,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:46,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:46,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:46,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:46,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:46,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:46,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465265213] [2021-03-26 07:53:46,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:46,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:46,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927898757] [2021-03-26 07:53:46,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:46,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:46,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:46,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:46,892 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 116 [2021-03-26 07:53:46,892 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 438 transitions, 7109 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:46,892 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:46,892 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 116 [2021-03-26 07:53:46,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:47,511 INFO L129 PetriNetUnfolder]: 634/1229 cut-off events. [2021-03-26 07:53:47,511 INFO L130 PetriNetUnfolder]: For 40192/40227 co-relation queries the response was YES. [2021-03-26 07:53:47,523 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13078 conditions, 1229 events. 634/1229 cut-off events. For 40192/40227 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 7441 event pairs, 157 based on Foata normal form. 19/1246 useless extension candidates. Maximal degree in co-relation 12954. Up to 1049 conditions per place. [2021-03-26 07:53:47,529 INFO L132 encePairwiseOnDemand]: 100/116 looper letters, 358 selfloop transitions, 83 changer transitions 3/452 dead transitions. [2021-03-26 07:53:47,529 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 452 transitions, 8222 flow [2021-03-26 07:53:47,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:53:47,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:53:47,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 501 transitions. [2021-03-26 07:53:47,530 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2699353448275862 [2021-03-26 07:53:47,530 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 501 transitions. [2021-03-26 07:53:47,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 501 transitions. [2021-03-26 07:53:47,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:47,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 501 transitions. [2021-03-26 07:53:47,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.3125) internal successors, (501), 16 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:47,531 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 116.0) internal successors, (1972), 17 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:47,531 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 116.0) internal successors, (1972), 17 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:47,531 INFO L185 Difference]: Start difference. First operand has 338 places, 438 transitions, 7109 flow. Second operand 16 states and 501 transitions. [2021-03-26 07:53:47,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 452 transitions, 8222 flow [2021-03-26 07:53:47,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 452 transitions, 8060 flow, removed 2 selfloop flow, removed 13 redundant places. [2021-03-26 07:53:47,726 INFO L241 Difference]: Finished difference. Result has 343 places, 440 transitions, 7212 flow [2021-03-26 07:53:47,727 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=6949, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=7212, PETRI_PLACES=343, PETRI_TRANSITIONS=440} [2021-03-26 07:53:47,727 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 304 predicate places. [2021-03-26 07:53:47,727 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:47,727 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 343 places, 440 transitions, 7212 flow [2021-03-26 07:53:47,727 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 343 places, 440 transitions, 7212 flow [2021-03-26 07:53:47,730 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 342 places, 440 transitions, 7212 flow [2021-03-26 07:53:47,836 INFO L129 PetriNetUnfolder]: 401/885 cut-off events. [2021-03-26 07:53:47,836 INFO L130 PetriNetUnfolder]: For 27891/27998 co-relation queries the response was YES. [2021-03-26 07:53:47,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8917 conditions, 885 events. 401/885 cut-off events. For 27891/27998 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 5819 event pairs, 33 based on Foata normal form. 25/875 useless extension candidates. Maximal degree in co-relation 8787. Up to 399 conditions per place. [2021-03-26 07:53:47,851 INFO L142 LiptonReduction]: Number of co-enabled transitions 582 [2021-03-26 07:53:47,939 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:47,940 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:53:47,940 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 213 [2021-03-26 07:53:47,940 INFO L480 AbstractCegarLoop]: Abstraction has has 342 places, 440 transitions, 7216 flow [2021-03-26 07:53:47,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:47,940 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:47,940 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:47,940 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-03-26 07:53:47,940 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:47,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:47,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1199907820, now seen corresponding path program 7 times [2021-03-26 07:53:47,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:47,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221185955] [2021-03-26 07:53:47,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:47,947 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:47,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:47,952 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:47,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:47,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:47,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:47,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:47,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:47,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:47,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:47,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:47,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:47,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:47,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:48,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:48,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:48,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:48,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:48,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:48,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:48,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:48,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221185955] [2021-03-26 07:53:48,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:48,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:48,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128261695] [2021-03-26 07:53:48,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:48,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:48,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:48,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:48,026 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 117 [2021-03-26 07:53:48,026 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 440 transitions, 7216 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:48,026 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:48,026 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 117 [2021-03-26 07:53:48,026 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:48,519 INFO L129 PetriNetUnfolder]: 633/1227 cut-off events. [2021-03-26 07:53:48,519 INFO L130 PetriNetUnfolder]: For 41185/41207 co-relation queries the response was YES. [2021-03-26 07:53:48,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13121 conditions, 1227 events. 633/1227 cut-off events. For 41185/41207 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 7429 event pairs, 141 based on Foata normal form. 11/1237 useless extension candidates. Maximal degree in co-relation 12989. Up to 1094 conditions per place. [2021-03-26 07:53:48,535 INFO L132 encePairwiseOnDemand]: 101/117 looper letters, 395 selfloop transitions, 42 changer transitions 3/448 dead transitions. [2021-03-26 07:53:48,536 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 448 transitions, 8193 flow [2021-03-26 07:53:48,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:53:48,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:53:48,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 430 transitions. [2021-03-26 07:53:48,537 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2625152625152625 [2021-03-26 07:53:48,537 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 430 transitions. [2021-03-26 07:53:48,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 430 transitions. [2021-03-26 07:53:48,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:48,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 430 transitions. [2021-03-26 07:53:48,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 30.714285714285715) internal successors, (430), 14 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:48,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 117.0) internal successors, (1755), 15 states have internal predecessors, (1755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:48,538 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 117.0) internal successors, (1755), 15 states have internal predecessors, (1755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:48,538 INFO L185 Difference]: Start difference. First operand has 342 places, 440 transitions, 7216 flow. Second operand 14 states and 430 transitions. [2021-03-26 07:53:48,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 448 transitions, 8193 flow [2021-03-26 07:53:48,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 448 transitions, 7936 flow, removed 46 selfloop flow, removed 14 redundant places. [2021-03-26 07:53:48,728 INFO L241 Difference]: Finished difference. Result has 342 places, 437 transitions, 7013 flow [2021-03-26 07:53:48,728 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=6959, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=7013, PETRI_PLACES=342, PETRI_TRANSITIONS=437} [2021-03-26 07:53:48,728 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 303 predicate places. [2021-03-26 07:53:48,728 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:48,728 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 342 places, 437 transitions, 7013 flow [2021-03-26 07:53:48,729 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 342 places, 437 transitions, 7013 flow [2021-03-26 07:53:48,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 337 places, 437 transitions, 7013 flow [2021-03-26 07:53:48,828 INFO L129 PetriNetUnfolder]: 392/873 cut-off events. [2021-03-26 07:53:48,828 INFO L130 PetriNetUnfolder]: For 26680/26793 co-relation queries the response was YES. [2021-03-26 07:53:48,834 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8639 conditions, 873 events. 392/873 cut-off events. For 26680/26793 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 5756 event pairs, 32 based on Foata normal form. 25/864 useless extension candidates. Maximal degree in co-relation 8519. Up to 385 conditions per place. [2021-03-26 07:53:48,842 INFO L142 LiptonReduction]: Number of co-enabled transitions 576 [2021-03-26 07:53:48,863 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:48,863 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:48,863 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 135 [2021-03-26 07:53:48,863 INFO L480 AbstractCegarLoop]: Abstraction has has 337 places, 437 transitions, 7013 flow [2021-03-26 07:53:48,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:48,863 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:48,863 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:48,863 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-03-26 07:53:48,863 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:48,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:48,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1416767647, now seen corresponding path program 1 times [2021-03-26 07:53:48,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:48,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758493392] [2021-03-26 07:53:48,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:48,870 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:48,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:48,874 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:48,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:48,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:48,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:48,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:48,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:48,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:48,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:48,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:48,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:53:48,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:48,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:53:48,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:48,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:48,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:48,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:48,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:48,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:48,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:48,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758493392] [2021-03-26 07:53:48,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:48,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:48,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095858807] [2021-03-26 07:53:48,948 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:48,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:48,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:48,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:48,949 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 117 [2021-03-26 07:53:48,949 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 437 transitions, 7013 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:48,949 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:48,949 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 117 [2021-03-26 07:53:48,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:49,449 INFO L129 PetriNetUnfolder]: 632/1227 cut-off events. [2021-03-26 07:53:49,449 INFO L130 PetriNetUnfolder]: For 41099/41121 co-relation queries the response was YES. [2021-03-26 07:53:49,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13019 conditions, 1227 events. 632/1227 cut-off events. For 41099/41121 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 7438 event pairs, 142 based on Foata normal form. 11/1237 useless extension candidates. Maximal degree in co-relation 12897. Up to 1098 conditions per place. [2021-03-26 07:53:49,465 INFO L132 encePairwiseOnDemand]: 102/117 looper letters, 399 selfloop transitions, 39 changer transitions 2/448 dead transitions. [2021-03-26 07:53:49,465 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 448 transitions, 8128 flow [2021-03-26 07:53:49,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:53:49,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:53:49,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 402 transitions. [2021-03-26 07:53:49,466 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.26429980276134124 [2021-03-26 07:53:49,467 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 402 transitions. [2021-03-26 07:53:49,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 402 transitions. [2021-03-26 07:53:49,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:49,467 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 402 transitions. [2021-03-26 07:53:49,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 30.923076923076923) internal successors, (402), 13 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:49,468 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:49,468 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:49,468 INFO L185 Difference]: Start difference. First operand has 337 places, 437 transitions, 7013 flow. Second operand 13 states and 402 transitions. [2021-03-26 07:53:49,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 448 transitions, 8128 flow [2021-03-26 07:53:49,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 448 transitions, 8038 flow, removed 6 selfloop flow, removed 10 redundant places. [2021-03-26 07:53:49,667 INFO L241 Difference]: Finished difference. Result has 343 places, 439 transitions, 7076 flow [2021-03-26 07:53:49,667 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=6924, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=7076, PETRI_PLACES=343, PETRI_TRANSITIONS=439} [2021-03-26 07:53:49,667 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 304 predicate places. [2021-03-26 07:53:49,667 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:49,667 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 343 places, 439 transitions, 7076 flow [2021-03-26 07:53:49,668 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 343 places, 439 transitions, 7076 flow [2021-03-26 07:53:49,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 341 places, 439 transitions, 7076 flow [2021-03-26 07:53:49,778 INFO L129 PetriNetUnfolder]: 390/870 cut-off events. [2021-03-26 07:53:49,778 INFO L130 PetriNetUnfolder]: For 29317/29401 co-relation queries the response was YES. [2021-03-26 07:53:49,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8760 conditions, 870 events. 390/870 cut-off events. For 29317/29401 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 5737 event pairs, 27 based on Foata normal form. 25/865 useless extension candidates. Maximal degree in co-relation 8637. Up to 382 conditions per place. [2021-03-26 07:53:49,793 INFO L142 LiptonReduction]: Number of co-enabled transitions 574 [2021-03-26 07:53:49,815 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:49,815 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:49,816 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 149 [2021-03-26 07:53:49,816 INFO L480 AbstractCegarLoop]: Abstraction has has 341 places, 439 transitions, 7076 flow [2021-03-26 07:53:49,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:49,816 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:49,816 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:49,816 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-03-26 07:53:49,816 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:49,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:49,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1101084919, now seen corresponding path program 2 times [2021-03-26 07:53:49,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:49,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654623464] [2021-03-26 07:53:49,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:49,824 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:49,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:49,828 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:49,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:49,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:49,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:49,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:49,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:49,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:49,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:49,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:49,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:53:49,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:49,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:53:49,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:49,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:49,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:49,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:49,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:49,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:49,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:49,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654623464] [2021-03-26 07:53:49,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:49,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:49,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422995637] [2021-03-26 07:53:49,904 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:49,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:49,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:49,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:49,905 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 117 [2021-03-26 07:53:49,905 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 439 transitions, 7076 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:49,905 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:49,905 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 117 [2021-03-26 07:53:49,905 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:50,437 INFO L129 PetriNetUnfolder]: 630/1231 cut-off events. [2021-03-26 07:53:50,437 INFO L130 PetriNetUnfolder]: For 43484/43506 co-relation queries the response was YES. [2021-03-26 07:53:50,446 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13161 conditions, 1231 events. 630/1231 cut-off events. For 43484/43506 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 7482 event pairs, 142 based on Foata normal form. 11/1241 useless extension candidates. Maximal degree in co-relation 13033. Up to 1097 conditions per place. [2021-03-26 07:53:50,451 INFO L132 encePairwiseOnDemand]: 102/117 looper letters, 399 selfloop transitions, 39 changer transitions 3/449 dead transitions. [2021-03-26 07:53:50,452 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 449 transitions, 8084 flow [2021-03-26 07:53:50,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:53:50,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:53:50,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 429 transitions. [2021-03-26 07:53:50,453 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2619047619047619 [2021-03-26 07:53:50,453 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 429 transitions. [2021-03-26 07:53:50,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 429 transitions. [2021-03-26 07:53:50,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:50,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 429 transitions. [2021-03-26 07:53:50,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 30.642857142857142) internal successors, (429), 14 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:50,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 117.0) internal successors, (1755), 15 states have internal predecessors, (1755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:50,454 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 117.0) internal successors, (1755), 15 states have internal predecessors, (1755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:50,454 INFO L185 Difference]: Start difference. First operand has 341 places, 439 transitions, 7076 flow. Second operand 14 states and 429 transitions. [2021-03-26 07:53:50,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 449 transitions, 8084 flow [2021-03-26 07:53:50,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 449 transitions, 7955 flow, removed 28 selfloop flow, removed 10 redundant places. [2021-03-26 07:53:50,658 INFO L241 Difference]: Finished difference. Result has 347 places, 439 transitions, 7072 flow [2021-03-26 07:53:50,658 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=6949, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=7072, PETRI_PLACES=347, PETRI_TRANSITIONS=439} [2021-03-26 07:53:50,658 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 308 predicate places. [2021-03-26 07:53:50,659 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:50,659 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 347 places, 439 transitions, 7072 flow [2021-03-26 07:53:50,659 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 347 places, 439 transitions, 7072 flow [2021-03-26 07:53:50,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 345 places, 439 transitions, 7072 flow [2021-03-26 07:53:50,763 INFO L129 PetriNetUnfolder]: 390/876 cut-off events. [2021-03-26 07:53:50,763 INFO L130 PetriNetUnfolder]: For 30192/30278 co-relation queries the response was YES. [2021-03-26 07:53:50,770 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8780 conditions, 876 events. 390/876 cut-off events. For 30192/30278 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 5828 event pairs, 31 based on Foata normal form. 21/870 useless extension candidates. Maximal degree in co-relation 8654. Up to 383 conditions per place. [2021-03-26 07:53:50,778 INFO L142 LiptonReduction]: Number of co-enabled transitions 576 [2021-03-26 07:53:50,906 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:50,906 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 07:53:50,906 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 247 [2021-03-26 07:53:50,906 INFO L480 AbstractCegarLoop]: Abstraction has has 342 places, 437 transitions, 7056 flow [2021-03-26 07:53:50,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:50,906 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:50,906 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:50,907 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-03-26 07:53:50,907 INFO L428 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:50,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:50,907 INFO L82 PathProgramCache]: Analyzing trace with hash -839038571, now seen corresponding path program 3 times [2021-03-26 07:53:50,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:50,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456054479] [2021-03-26 07:53:50,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:50,914 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:50,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:50,918 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:50,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:50,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:50,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:50,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:50,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:50,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:50,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:50,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:50,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:53:50,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:50,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:53:50,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:50,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:50,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:50,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:50,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:50,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:50,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:50,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456054479] [2021-03-26 07:53:50,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:50,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:50,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744758456] [2021-03-26 07:53:50,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:50,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:50,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:50,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:50,990 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 119 [2021-03-26 07:53:50,990 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 437 transitions, 7056 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:50,990 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:50,990 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 119 [2021-03-26 07:53:50,990 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:51,615 INFO L129 PetriNetUnfolder]: 644/1239 cut-off events. [2021-03-26 07:53:51,615 INFO L130 PetriNetUnfolder]: For 46354/46358 co-relation queries the response was YES. [2021-03-26 07:53:51,626 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13554 conditions, 1239 events. 644/1239 cut-off events. For 46354/46358 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 7465 event pairs, 115 based on Foata normal form. 5/1243 useless extension candidates. Maximal degree in co-relation 13428. Up to 1008 conditions per place. [2021-03-26 07:53:51,631 INFO L132 encePairwiseOnDemand]: 99/119 looper letters, 323 selfloop transitions, 131 changer transitions 3/465 dead transitions. [2021-03-26 07:53:51,631 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 465 transitions, 8495 flow [2021-03-26 07:53:51,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:53:51,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:53:51,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 426 transitions. [2021-03-26 07:53:51,632 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27537168713639304 [2021-03-26 07:53:51,632 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 426 transitions. [2021-03-26 07:53:51,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 426 transitions. [2021-03-26 07:53:51,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:51,632 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 426 transitions. [2021-03-26 07:53:51,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.76923076923077) internal successors, (426), 13 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:51,633 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 119.0) internal successors, (1666), 14 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:51,633 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 119.0) internal successors, (1666), 14 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:51,633 INFO L185 Difference]: Start difference. First operand has 342 places, 437 transitions, 7056 flow. Second operand 13 states and 426 transitions. [2021-03-26 07:53:51,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 465 transitions, 8495 flow [2021-03-26 07:53:51,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 465 transitions, 8352 flow, removed 39 selfloop flow, removed 11 redundant places. [2021-03-26 07:53:51,834 INFO L241 Difference]: Finished difference. Result has 347 places, 448 transitions, 7536 flow [2021-03-26 07:53:51,835 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=6929, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=119, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=7536, PETRI_PLACES=347, PETRI_TRANSITIONS=448} [2021-03-26 07:53:51,835 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 308 predicate places. [2021-03-26 07:53:51,835 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:51,835 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 347 places, 448 transitions, 7536 flow [2021-03-26 07:53:51,835 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 347 places, 448 transitions, 7536 flow [2021-03-26 07:53:51,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 343 places, 448 transitions, 7536 flow [2021-03-26 07:53:51,942 INFO L129 PetriNetUnfolder]: 397/886 cut-off events. [2021-03-26 07:53:51,942 INFO L130 PetriNetUnfolder]: For 29822/29949 co-relation queries the response was YES. [2021-03-26 07:53:51,949 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9104 conditions, 886 events. 397/886 cut-off events. For 29822/29949 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 5824 event pairs, 28 based on Foata normal form. 23/878 useless extension candidates. Maximal degree in co-relation 8973. Up to 392 conditions per place. [2021-03-26 07:53:51,956 INFO L142 LiptonReduction]: Number of co-enabled transitions 582 [2021-03-26 07:53:51,979 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:51,979 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:51,979 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 144 [2021-03-26 07:53:51,980 INFO L480 AbstractCegarLoop]: Abstraction has has 343 places, 448 transitions, 7536 flow [2021-03-26 07:53:51,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:51,980 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:51,980 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:51,980 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-03-26 07:53:51,980 INFO L428 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:51,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:51,980 INFO L82 PathProgramCache]: Analyzing trace with hash -840926273, now seen corresponding path program 2 times [2021-03-26 07:53:51,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:51,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087808748] [2021-03-26 07:53:51,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:51,987 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:51,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:51,991 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:51,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:51,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:51,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:52,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:52,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:52,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:52,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:52,022 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 07:53:52,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:53:52,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:52,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:53:52,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:52,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:53:52,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:52,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:52,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:52,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:53:52,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:52,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:52,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:52,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087808748] [2021-03-26 07:53:52,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:52,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:52,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295370164] [2021-03-26 07:53:52,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:52,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:52,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:52,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:52,075 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 119 [2021-03-26 07:53:52,075 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 448 transitions, 7536 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:52,075 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:52,075 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 119 [2021-03-26 07:53:52,075 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:52,829 INFO L129 PetriNetUnfolder]: 645/1238 cut-off events. [2021-03-26 07:53:52,830 INFO L130 PetriNetUnfolder]: For 45724/45738 co-relation queries the response was YES. [2021-03-26 07:53:52,838 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13700 conditions, 1238 events. 645/1238 cut-off events. For 45724/45738 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 7415 event pairs, 104 based on Foata normal form. 10/1246 useless extension candidates. Maximal degree in co-relation 13567. Up to 978 conditions per place. [2021-03-26 07:53:52,844 INFO L132 encePairwiseOnDemand]: 100/119 looper letters, 328 selfloop transitions, 137 changer transitions 3/476 dead transitions. [2021-03-26 07:53:52,844 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 476 transitions, 9065 flow [2021-03-26 07:53:52,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:53:52,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:53:52,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 517 transitions. [2021-03-26 07:53:52,847 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27153361344537813 [2021-03-26 07:53:52,847 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 517 transitions. [2021-03-26 07:53:52,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 517 transitions. [2021-03-26 07:53:52,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:52,847 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 517 transitions. [2021-03-26 07:53:52,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.3125) internal successors, (517), 16 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:52,848 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 119.0) internal successors, (2023), 17 states have internal predecessors, (2023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:52,849 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 119.0) internal successors, (2023), 17 states have internal predecessors, (2023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:52,849 INFO L185 Difference]: Start difference. First operand has 343 places, 448 transitions, 7536 flow. Second operand 16 states and 517 transitions. [2021-03-26 07:53:52,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 476 transitions, 9065 flow [2021-03-26 07:53:53,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 476 transitions, 8808 flow, removed 69 selfloop flow, removed 7 redundant places. [2021-03-26 07:53:53,052 INFO L241 Difference]: Finished difference. Result has 355 places, 452 transitions, 7728 flow [2021-03-26 07:53:53,053 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=7283, PETRI_DIFFERENCE_MINUEND_PLACES=336, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=133, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=7728, PETRI_PLACES=355, PETRI_TRANSITIONS=452} [2021-03-26 07:53:53,053 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 316 predicate places. [2021-03-26 07:53:53,053 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:53,053 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 355 places, 452 transitions, 7728 flow [2021-03-26 07:53:53,053 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 355 places, 452 transitions, 7728 flow [2021-03-26 07:53:53,056 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 354 places, 452 transitions, 7728 flow [2021-03-26 07:53:53,169 INFO L129 PetriNetUnfolder]: 409/895 cut-off events. [2021-03-26 07:53:53,169 INFO L130 PetriNetUnfolder]: For 31007/31147 co-relation queries the response was YES. [2021-03-26 07:53:53,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9375 conditions, 895 events. 409/895 cut-off events. For 31007/31147 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 5869 event pairs, 27 based on Foata normal form. 21/879 useless extension candidates. Maximal degree in co-relation 9223. Up to 399 conditions per place. [2021-03-26 07:53:53,186 INFO L142 LiptonReduction]: Number of co-enabled transitions 582 [2021-03-26 07:53:53,208 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:53,208 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:53,208 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 155 [2021-03-26 07:53:53,209 INFO L480 AbstractCegarLoop]: Abstraction has has 354 places, 452 transitions, 7728 flow [2021-03-26 07:53:53,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:53,209 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:53,209 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:53,209 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-03-26 07:53:53,209 INFO L428 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:53,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:53,209 INFO L82 PathProgramCache]: Analyzing trace with hash -127346264, now seen corresponding path program 1 times [2021-03-26 07:53:53,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:53,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532692731] [2021-03-26 07:53:53,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:53,217 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:53,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:53,221 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:53,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:53,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:53,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:53,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:53,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:53:53,243 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:53:53,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:53:53,261 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:53:53,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:53:53,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:53,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:53,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:53,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:53,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:53,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:53,320 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:53:53,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:53,336 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:53,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:53,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:53,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532692731] [2021-03-26 07:53:53,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:53,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:53:53,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940748278] [2021-03-26 07:53:53,339 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:53:53,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:53,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:53:53,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:53:53,339 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 119 [2021-03-26 07:53:53,339 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 452 transitions, 7728 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:53,340 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:53,340 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 119 [2021-03-26 07:53:53,340 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:54,137 INFO L129 PetriNetUnfolder]: 664/1281 cut-off events. [2021-03-26 07:53:54,137 INFO L130 PetriNetUnfolder]: For 49117/49146 co-relation queries the response was YES. [2021-03-26 07:53:54,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14454 conditions, 1281 events. 664/1281 cut-off events. For 49117/49146 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 7751 event pairs, 94 based on Foata normal form. 21/1301 useless extension candidates. Maximal degree in co-relation 14308. Up to 926 conditions per place. [2021-03-26 07:53:54,154 INFO L132 encePairwiseOnDemand]: 97/119 looper letters, 279 selfloop transitions, 208 changer transitions 3/498 dead transitions. [2021-03-26 07:53:54,154 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 498 transitions, 9736 flow [2021-03-26 07:53:54,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 07:53:54,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 07:53:54,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 606 transitions. [2021-03-26 07:53:54,155 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2680229986731535 [2021-03-26 07:53:54,155 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 606 transitions. [2021-03-26 07:53:54,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 606 transitions. [2021-03-26 07:53:54,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:54,155 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 606 transitions. [2021-03-26 07:53:54,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 31.894736842105264) internal successors, (606), 19 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:54,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 119.0) internal successors, (2380), 20 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:54,157 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 119.0) internal successors, (2380), 20 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:54,157 INFO L185 Difference]: Start difference. First operand has 354 places, 452 transitions, 7728 flow. Second operand 19 states and 606 transitions. [2021-03-26 07:53:54,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 498 transitions, 9736 flow [2021-03-26 07:53:54,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 498 transitions, 9398 flow, removed 33 selfloop flow, removed 12 redundant places. [2021-03-26 07:53:54,356 INFO L241 Difference]: Finished difference. Result has 366 places, 471 transitions, 8427 flow [2021-03-26 07:53:54,356 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=7394, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=192, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=8427, PETRI_PLACES=366, PETRI_TRANSITIONS=471} [2021-03-26 07:53:54,356 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 327 predicate places. [2021-03-26 07:53:54,356 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:54,356 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 366 places, 471 transitions, 8427 flow [2021-03-26 07:53:54,356 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 366 places, 471 transitions, 8427 flow [2021-03-26 07:53:54,359 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 365 places, 471 transitions, 8427 flow [2021-03-26 07:53:54,483 INFO L129 PetriNetUnfolder]: 406/904 cut-off events. [2021-03-26 07:53:54,483 INFO L130 PetriNetUnfolder]: For 35774/35899 co-relation queries the response was YES. [2021-03-26 07:53:54,492 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9853 conditions, 904 events. 406/904 cut-off events. For 35774/35899 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 6024 event pairs, 25 based on Foata normal form. 21/895 useless extension candidates. Maximal degree in co-relation 9706. Up to 405 conditions per place. [2021-03-26 07:53:54,500 INFO L142 LiptonReduction]: Number of co-enabled transitions 612 [2021-03-26 07:53:54,525 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:54,525 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:54,525 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 169 [2021-03-26 07:53:54,526 INFO L480 AbstractCegarLoop]: Abstraction has has 365 places, 471 transitions, 8427 flow [2021-03-26 07:53:54,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:54,526 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:54,526 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:54,526 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-03-26 07:53:54,526 INFO L428 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:54,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:54,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1889755839, now seen corresponding path program 2 times [2021-03-26 07:53:54,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:54,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249099211] [2021-03-26 07:53:54,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:54,533 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:54,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:54,537 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:54,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:54,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:54,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:54,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:54,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:54,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:54,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:54,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:54,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:54,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:54,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:54,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:54,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:54,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:54,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:54,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:54,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:54,617 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:54,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:54,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:54,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249099211] [2021-03-26 07:53:54,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:54,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:54,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172243443] [2021-03-26 07:53:54,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:54,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:54,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:54,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:54,620 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 119 [2021-03-26 07:53:54,620 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 471 transitions, 8427 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:54,620 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:54,620 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 119 [2021-03-26 07:53:54,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:55,217 INFO L129 PetriNetUnfolder]: 665/1294 cut-off events. [2021-03-26 07:53:55,217 INFO L130 PetriNetUnfolder]: For 55703/55733 co-relation queries the response was YES. [2021-03-26 07:53:55,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15087 conditions, 1294 events. 665/1294 cut-off events. For 55703/55733 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 7983 event pairs, 128 based on Foata normal form. 11/1302 useless extension candidates. Maximal degree in co-relation 14936. Up to 1085 conditions per place. [2021-03-26 07:53:55,231 INFO L132 encePairwiseOnDemand]: 97/119 looper letters, 348 selfloop transitions, 130 changer transitions 2/488 dead transitions. [2021-03-26 07:53:55,231 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 488 transitions, 9850 flow [2021-03-26 07:53:55,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:53:55,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:53:55,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 432 transitions. [2021-03-26 07:53:55,232 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.25930372148859543 [2021-03-26 07:53:55,232 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 432 transitions. [2021-03-26 07:53:55,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 432 transitions. [2021-03-26 07:53:55,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:55,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 432 transitions. [2021-03-26 07:53:55,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 30.857142857142858) internal successors, (432), 14 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:55,233 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 119.0) internal successors, (1785), 15 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:55,233 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 119.0) internal successors, (1785), 15 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:55,234 INFO L185 Difference]: Start difference. First operand has 365 places, 471 transitions, 8427 flow. Second operand 14 states and 432 transitions. [2021-03-26 07:53:55,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 488 transitions, 9850 flow [2021-03-26 07:53:55,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 488 transitions, 9497 flow, removed 128 selfloop flow, removed 7 redundant places. [2021-03-26 07:53:55,460 INFO L241 Difference]: Finished difference. Result has 374 places, 478 transitions, 8625 flow [2021-03-26 07:53:55,460 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=8082, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=471, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=8625, PETRI_PLACES=374, PETRI_TRANSITIONS=478} [2021-03-26 07:53:55,460 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 335 predicate places. [2021-03-26 07:53:55,460 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:55,460 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 374 places, 478 transitions, 8625 flow [2021-03-26 07:53:55,460 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 374 places, 478 transitions, 8625 flow [2021-03-26 07:53:55,464 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 372 places, 478 transitions, 8625 flow [2021-03-26 07:53:55,579 INFO L129 PetriNetUnfolder]: 405/908 cut-off events. [2021-03-26 07:53:55,579 INFO L130 PetriNetUnfolder]: For 36959/37118 co-relation queries the response was YES. [2021-03-26 07:53:55,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10040 conditions, 908 events. 405/908 cut-off events. For 36959/37118 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 6075 event pairs, 28 based on Foata normal form. 22/897 useless extension candidates. Maximal degree in co-relation 9904. Up to 397 conditions per place. [2021-03-26 07:53:55,595 INFO L142 LiptonReduction]: Number of co-enabled transitions 614 [2021-03-26 07:53:55,665 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:55,666 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:53:55,666 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 206 [2021-03-26 07:53:55,666 INFO L480 AbstractCegarLoop]: Abstraction has has 371 places, 477 transitions, 8621 flow [2021-03-26 07:53:55,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:55,666 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:55,666 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:55,666 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-03-26 07:53:55,666 INFO L428 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:55,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:55,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1822591295, now seen corresponding path program 4 times [2021-03-26 07:53:55,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:55,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660490002] [2021-03-26 07:53:55,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:55,673 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:55,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:55,677 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:55,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:55,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:55,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:55,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:55,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:55,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:55,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:55,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:55,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:55,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:55,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:55,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:55,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:55,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:55,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:55,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:55,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:55,753 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:55,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:55,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:55,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660490002] [2021-03-26 07:53:55,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:55,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:55,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150217342] [2021-03-26 07:53:55,756 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:55,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:55,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:55,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:55,757 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 120 [2021-03-26 07:53:55,757 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 477 transitions, 8621 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:55,757 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:55,757 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 120 [2021-03-26 07:53:55,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:56,398 INFO L129 PetriNetUnfolder]: 666/1303 cut-off events. [2021-03-26 07:53:56,398 INFO L130 PetriNetUnfolder]: For 56527/56557 co-relation queries the response was YES. [2021-03-26 07:53:56,410 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15191 conditions, 1303 events. 666/1303 cut-off events. For 56527/56557 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 8075 event pairs, 152 based on Foata normal form. 19/1321 useless extension candidates. Maximal degree in co-relation 15053. Up to 1120 conditions per place. [2021-03-26 07:53:56,416 INFO L132 encePairwiseOnDemand]: 104/120 looper letters, 402 selfloop transitions, 78 changer transitions 3/491 dead transitions. [2021-03-26 07:53:56,416 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 491 transitions, 9876 flow [2021-03-26 07:53:56,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:53:56,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:53:56,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 442 transitions. [2021-03-26 07:53:56,417 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2630952380952381 [2021-03-26 07:53:56,417 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 442 transitions. [2021-03-26 07:53:56,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 442 transitions. [2021-03-26 07:53:56,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:56,417 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 442 transitions. [2021-03-26 07:53:56,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.571428571428573) internal successors, (442), 14 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:56,418 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 120.0) internal successors, (1800), 15 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:56,418 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 120.0) internal successors, (1800), 15 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:56,418 INFO L185 Difference]: Start difference. First operand has 371 places, 477 transitions, 8621 flow. Second operand 14 states and 442 transitions. [2021-03-26 07:53:56,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 491 transitions, 9876 flow [2021-03-26 07:53:56,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 491 transitions, 9541 flow, removed 98 selfloop flow, removed 7 redundant places. [2021-03-26 07:53:56,712 INFO L241 Difference]: Finished difference. Result has 381 places, 481 transitions, 8580 flow [2021-03-26 07:53:56,713 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=8290, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=477, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=8580, PETRI_PLACES=381, PETRI_TRANSITIONS=481} [2021-03-26 07:53:56,713 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 342 predicate places. [2021-03-26 07:53:56,713 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:56,713 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 381 places, 481 transitions, 8580 flow [2021-03-26 07:53:56,713 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 381 places, 481 transitions, 8580 flow [2021-03-26 07:53:56,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 379 places, 481 transitions, 8580 flow [2021-03-26 07:53:56,846 INFO L129 PetriNetUnfolder]: 403/915 cut-off events. [2021-03-26 07:53:56,846 INFO L130 PetriNetUnfolder]: For 38209/38343 co-relation queries the response was YES. [2021-03-26 07:53:56,855 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10209 conditions, 915 events. 403/915 cut-off events. For 38209/38343 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 6186 event pairs, 30 based on Foata normal form. 17/907 useless extension candidates. Maximal degree in co-relation 10070. Up to 393 conditions per place. [2021-03-26 07:53:56,864 INFO L142 LiptonReduction]: Number of co-enabled transitions 614 [2021-03-26 07:53:56,942 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 07:53:56,943 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:53:56,943 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 230 [2021-03-26 07:53:56,943 INFO L480 AbstractCegarLoop]: Abstraction has has 379 places, 481 transitions, 8599 flow [2021-03-26 07:53:56,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:56,943 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:56,943 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:56,943 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-03-26 07:53:56,944 INFO L428 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:56,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:56,944 INFO L82 PathProgramCache]: Analyzing trace with hash 958255386, now seen corresponding path program 1 times [2021-03-26 07:53:56,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:56,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224621227] [2021-03-26 07:53:56,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:56,951 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:56,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:56,955 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:56,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:56,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:56,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:56,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:56,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:56,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:56,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:56,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:56,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:56,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:56,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:57,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:57,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:57,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:57,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:57,023 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:53:57,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:57,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:57,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224621227] [2021-03-26 07:53:57,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:57,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:53:57,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123130614] [2021-03-26 07:53:57,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:53:57,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:57,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:53:57,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:53:57,026 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 121 [2021-03-26 07:53:57,026 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 481 transitions, 8599 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:57,026 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:57,026 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 121 [2021-03-26 07:53:57,026 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:57,668 INFO L129 PetriNetUnfolder]: 665/1296 cut-off events. [2021-03-26 07:53:57,669 INFO L130 PetriNetUnfolder]: For 58095/58117 co-relation queries the response was YES. [2021-03-26 07:53:57,680 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15337 conditions, 1296 events. 665/1296 cut-off events. For 58095/58117 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 7998 event pairs, 112 based on Foata normal form. 10/1303 useless extension candidates. Maximal degree in co-relation 15196. Up to 1122 conditions per place. [2021-03-26 07:53:57,686 INFO L132 encePairwiseOnDemand]: 102/121 looper letters, 378 selfloop transitions, 92 changer transitions 8/486 dead transitions. [2021-03-26 07:53:57,687 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 486 transitions, 9639 flow [2021-03-26 07:53:57,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 07:53:57,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 07:53:57,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 375 transitions. [2021-03-26 07:53:57,688 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.25826446280991733 [2021-03-26 07:53:57,688 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 375 transitions. [2021-03-26 07:53:57,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 375 transitions. [2021-03-26 07:53:57,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:57,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 375 transitions. [2021-03-26 07:53:57,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 31.25) internal successors, (375), 12 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:57,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 121.0) internal successors, (1573), 13 states have internal predecessors, (1573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:57,689 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 121.0) internal successors, (1573), 13 states have internal predecessors, (1573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:57,689 INFO L185 Difference]: Start difference. First operand has 379 places, 481 transitions, 8599 flow. Second operand 12 states and 375 transitions. [2021-03-26 07:53:57,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 486 transitions, 9639 flow [2021-03-26 07:53:57,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 486 transitions, 9405 flow, removed 50 selfloop flow, removed 11 redundant places. [2021-03-26 07:53:57,936 INFO L241 Difference]: Finished difference. Result has 381 places, 475 transitions, 8537 flow [2021-03-26 07:53:57,937 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=8367, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=481, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=8537, PETRI_PLACES=381, PETRI_TRANSITIONS=475} [2021-03-26 07:53:57,937 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 342 predicate places. [2021-03-26 07:53:57,937 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:57,937 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 381 places, 475 transitions, 8537 flow [2021-03-26 07:53:57,937 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 381 places, 475 transitions, 8537 flow [2021-03-26 07:53:57,940 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 375 places, 475 transitions, 8537 flow [2021-03-26 07:53:58,083 INFO L129 PetriNetUnfolder]: 408/919 cut-off events. [2021-03-26 07:53:58,083 INFO L130 PetriNetUnfolder]: For 37200/37301 co-relation queries the response was YES. [2021-03-26 07:53:58,093 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10220 conditions, 919 events. 408/919 cut-off events. For 37200/37301 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 6222 event pairs, 26 based on Foata normal form. 16/912 useless extension candidates. Maximal degree in co-relation 10081. Up to 396 conditions per place. [2021-03-26 07:53:58,105 INFO L142 LiptonReduction]: Number of co-enabled transitions 612 [2021-03-26 07:53:58,130 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:53:58,131 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:53:58,131 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 194 [2021-03-26 07:53:58,131 INFO L480 AbstractCegarLoop]: Abstraction has has 375 places, 475 transitions, 8537 flow [2021-03-26 07:53:58,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:58,131 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:58,131 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:58,131 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-03-26 07:53:58,131 INFO L428 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:58,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:58,132 INFO L82 PathProgramCache]: Analyzing trace with hash -573982117, now seen corresponding path program 1 times [2021-03-26 07:53:58,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:58,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928620354] [2021-03-26 07:53:58,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:58,139 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:58,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:58,143 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:58,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:58,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:58,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:58,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:58,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:58,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:58,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:58,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:58,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:58,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:58,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:53:58,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:58,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:58,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:58,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:58,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:58,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:58,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:58,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928620354] [2021-03-26 07:53:58,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:58,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:53:58,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542128954] [2021-03-26 07:53:58,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:53:58,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:58,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:53:58,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:53:58,212 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 121 [2021-03-26 07:53:58,212 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 475 transitions, 8537 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:58,212 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:58,212 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 121 [2021-03-26 07:53:58,212 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:53:58,839 INFO L129 PetriNetUnfolder]: 665/1302 cut-off events. [2021-03-26 07:53:58,839 INFO L130 PetriNetUnfolder]: For 56833/56858 co-relation queries the response was YES. [2021-03-26 07:53:58,853 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15302 conditions, 1302 events. 665/1302 cut-off events. For 56833/56858 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 8133 event pairs, 137 based on Foata normal form. 19/1320 useless extension candidates. Maximal degree in co-relation 15161. Up to 1114 conditions per place. [2021-03-26 07:53:58,859 INFO L132 encePairwiseOnDemand]: 105/121 looper letters, 397 selfloop transitions, 81 changer transitions 2/488 dead transitions. [2021-03-26 07:53:58,859 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 488 transitions, 9623 flow [2021-03-26 07:53:58,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:53:58,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:53:58,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 442 transitions. [2021-03-26 07:53:58,860 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.26092089728453366 [2021-03-26 07:53:58,860 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 442 transitions. [2021-03-26 07:53:58,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 442 transitions. [2021-03-26 07:53:58,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:53:58,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 442 transitions. [2021-03-26 07:53:58,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.571428571428573) internal successors, (442), 14 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:58,862 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 121.0) internal successors, (1815), 15 states have internal predecessors, (1815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:58,862 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 121.0) internal successors, (1815), 15 states have internal predecessors, (1815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:58,862 INFO L185 Difference]: Start difference. First operand has 375 places, 475 transitions, 8537 flow. Second operand 14 states and 442 transitions. [2021-03-26 07:53:58,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 488 transitions, 9623 flow [2021-03-26 07:53:59,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 488 transitions, 9322 flow, removed 7 selfloop flow, removed 13 redundant places. [2021-03-26 07:53:59,165 INFO L241 Difference]: Finished difference. Result has 378 places, 479 transitions, 8448 flow [2021-03-26 07:53:59,165 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=8240, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=475, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=8448, PETRI_PLACES=378, PETRI_TRANSITIONS=479} [2021-03-26 07:53:59,165 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 339 predicate places. [2021-03-26 07:53:59,165 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:53:59,165 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 378 places, 479 transitions, 8448 flow [2021-03-26 07:53:59,166 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 378 places, 479 transitions, 8448 flow [2021-03-26 07:53:59,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 376 places, 479 transitions, 8448 flow [2021-03-26 07:53:59,303 INFO L129 PetriNetUnfolder]: 402/918 cut-off events. [2021-03-26 07:53:59,303 INFO L130 PetriNetUnfolder]: For 34804/34919 co-relation queries the response was YES. [2021-03-26 07:53:59,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9941 conditions, 918 events. 402/918 cut-off events. For 34804/34919 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 6253 event pairs, 28 based on Foata normal form. 15/908 useless extension candidates. Maximal degree in co-relation 9804. Up to 392 conditions per place. [2021-03-26 07:53:59,322 INFO L142 LiptonReduction]: Number of co-enabled transitions 616 [2021-03-26 07:53:59,400 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 07:53:59,401 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:53:59,401 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 236 [2021-03-26 07:53:59,401 INFO L480 AbstractCegarLoop]: Abstraction has has 376 places, 479 transitions, 8456 flow [2021-03-26 07:53:59,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:59,401 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:53:59,401 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:53:59,401 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-03-26 07:53:59,401 INFO L428 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:53:59,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:53:59,402 INFO L82 PathProgramCache]: Analyzing trace with hash 742175187, now seen corresponding path program 2 times [2021-03-26 07:53:59,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:53:59,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043274739] [2021-03-26 07:53:59,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:53:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:53:59,409 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:53:59,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:59,413 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:53:59,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:59,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:59,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:53:59,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:59,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:59,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:59,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:59,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:59,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:53:59,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:59,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:53:59,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:59,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:53:59,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:59,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:59,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:53:59,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:53:59,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:53:59,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043274739] [2021-03-26 07:53:59,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:53:59,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:53:59,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087539250] [2021-03-26 07:53:59,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:53:59,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:53:59,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:53:59,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:53:59,492 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 122 [2021-03-26 07:53:59,492 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 479 transitions, 8456 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:53:59,492 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:53:59,492 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 122 [2021-03-26 07:53:59,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:00,127 INFO L129 PetriNetUnfolder]: 664/1294 cut-off events. [2021-03-26 07:54:00,128 INFO L130 PetriNetUnfolder]: For 53147/53169 co-relation queries the response was YES. [2021-03-26 07:54:00,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14942 conditions, 1294 events. 664/1294 cut-off events. For 53147/53169 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 8038 event pairs, 158 based on Foata normal form. 14/1307 useless extension candidates. Maximal degree in co-relation 14803. Up to 1108 conditions per place. [2021-03-26 07:54:00,146 INFO L132 encePairwiseOnDemand]: 105/122 looper letters, 395 selfloop transitions, 82 changer transitions 2/487 dead transitions. [2021-03-26 07:54:00,147 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 487 transitions, 9490 flow [2021-03-26 07:54:00,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:54:00,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:54:00,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 470 transitions. [2021-03-26 07:54:00,148 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2568306010928962 [2021-03-26 07:54:00,148 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 470 transitions. [2021-03-26 07:54:00,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 470 transitions. [2021-03-26 07:54:00,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:00,148 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 470 transitions. [2021-03-26 07:54:00,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.333333333333332) internal successors, (470), 15 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:00,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 122.0) internal successors, (1952), 16 states have internal predecessors, (1952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:00,149 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 122.0) internal successors, (1952), 16 states have internal predecessors, (1952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:00,149 INFO L185 Difference]: Start difference. First operand has 376 places, 479 transitions, 8456 flow. Second operand 15 states and 470 transitions. [2021-03-26 07:54:00,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 487 transitions, 9490 flow [2021-03-26 07:54:00,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 487 transitions, 9350 flow, removed 5 selfloop flow, removed 10 redundant places. [2021-03-26 07:54:00,411 INFO L241 Difference]: Finished difference. Result has 381 places, 477 transitions, 8462 flow [2021-03-26 07:54:00,411 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=8316, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=479, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=8462, PETRI_PLACES=381, PETRI_TRANSITIONS=477} [2021-03-26 07:54:00,412 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 342 predicate places. [2021-03-26 07:54:00,412 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:00,412 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 381 places, 477 transitions, 8462 flow [2021-03-26 07:54:00,412 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 381 places, 477 transitions, 8462 flow [2021-03-26 07:54:00,415 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 378 places, 477 transitions, 8462 flow [2021-03-26 07:54:00,546 INFO L129 PetriNetUnfolder]: 412/925 cut-off events. [2021-03-26 07:54:00,546 INFO L130 PetriNetUnfolder]: For 35173/35269 co-relation queries the response was YES. [2021-03-26 07:54:00,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10148 conditions, 925 events. 412/925 cut-off events. For 35173/35269 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 6232 event pairs, 25 based on Foata normal form. 16/913 useless extension candidates. Maximal degree in co-relation 10012. Up to 404 conditions per place. [2021-03-26 07:54:00,565 INFO L142 LiptonReduction]: Number of co-enabled transitions 616 [2021-03-26 07:54:00,642 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 07:54:00,642 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:54:00,643 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 230 [2021-03-26 07:54:00,643 INFO L480 AbstractCegarLoop]: Abstraction has has 378 places, 477 transitions, 8470 flow [2021-03-26 07:54:00,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:00,643 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:00,643 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:00,643 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-03-26 07:54:00,643 INFO L428 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:00,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:00,643 INFO L82 PathProgramCache]: Analyzing trace with hash 989150628, now seen corresponding path program 1 times [2021-03-26 07:54:00,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:00,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438117925] [2021-03-26 07:54:00,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:00,653 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:00,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:00,657 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:00,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:00,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:00,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:00,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:00,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:00,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:00,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:00,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:00,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:00,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:00,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:54:00,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:00,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:00,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:00,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:00,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:00,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:00,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:00,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438117925] [2021-03-26 07:54:00,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:00,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:54:00,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483767092] [2021-03-26 07:54:00,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:54:00,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:00,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:54:00,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:54:00,736 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 123 [2021-03-26 07:54:00,736 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 477 transitions, 8470 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:00,736 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:00,736 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 123 [2021-03-26 07:54:00,736 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:01,298 INFO L129 PetriNetUnfolder]: 663/1297 cut-off events. [2021-03-26 07:54:01,299 INFO L130 PetriNetUnfolder]: For 53337/53359 co-relation queries the response was YES. [2021-03-26 07:54:01,310 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14963 conditions, 1297 events. 663/1297 cut-off events. For 53337/53359 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 8072 event pairs, 154 based on Foata normal form. 14/1310 useless extension candidates. Maximal degree in co-relation 14825. Up to 1114 conditions per place. [2021-03-26 07:54:01,316 INFO L132 encePairwiseOnDemand]: 106/123 looper letters, 396 selfloop transitions, 77 changer transitions 4/485 dead transitions. [2021-03-26 07:54:01,316 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 485 transitions, 9506 flow [2021-03-26 07:54:01,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:54:01,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:54:01,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 414 transitions. [2021-03-26 07:54:01,317 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2589118198874296 [2021-03-26 07:54:01,317 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 414 transitions. [2021-03-26 07:54:01,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 414 transitions. [2021-03-26 07:54:01,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:01,317 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 414 transitions. [2021-03-26 07:54:01,318 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.846153846153847) internal successors, (414), 13 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:01,318 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 123.0) internal successors, (1722), 14 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:01,318 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 123.0) internal successors, (1722), 14 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:01,318 INFO L185 Difference]: Start difference. First operand has 378 places, 477 transitions, 8470 flow. Second operand 13 states and 414 transitions. [2021-03-26 07:54:01,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 485 transitions, 9506 flow [2021-03-26 07:54:01,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 485 transitions, 9332 flow, removed 3 selfloop flow, removed 14 redundant places. [2021-03-26 07:54:01,563 INFO L241 Difference]: Finished difference. Result has 378 places, 475 transitions, 8411 flow [2021-03-26 07:54:01,564 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=8300, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=477, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=8411, PETRI_PLACES=378, PETRI_TRANSITIONS=475} [2021-03-26 07:54:01,564 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 339 predicate places. [2021-03-26 07:54:01,564 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:01,564 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 378 places, 475 transitions, 8411 flow [2021-03-26 07:54:01,564 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 378 places, 475 transitions, 8411 flow [2021-03-26 07:54:01,567 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 376 places, 475 transitions, 8411 flow [2021-03-26 07:54:01,687 INFO L129 PetriNetUnfolder]: 401/906 cut-off events. [2021-03-26 07:54:01,687 INFO L130 PetriNetUnfolder]: For 34068/34170 co-relation queries the response was YES. [2021-03-26 07:54:01,695 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9834 conditions, 906 events. 401/906 cut-off events. For 34068/34170 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 6087 event pairs, 34 based on Foata normal form. 14/899 useless extension candidates. Maximal degree in co-relation 9698. Up to 392 conditions per place. [2021-03-26 07:54:01,703 INFO L142 LiptonReduction]: Number of co-enabled transitions 614 [2021-03-26 07:54:01,728 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:01,728 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:01,728 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 164 [2021-03-26 07:54:01,728 INFO L480 AbstractCegarLoop]: Abstraction has has 376 places, 475 transitions, 8411 flow [2021-03-26 07:54:01,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:01,728 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:01,728 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:01,728 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-03-26 07:54:01,728 INFO L428 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:01,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:01,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1448651067, now seen corresponding path program 1 times [2021-03-26 07:54:01,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:01,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797550198] [2021-03-26 07:54:01,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:01,735 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:01,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:01,739 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:01,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:01,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:01,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:01,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:01,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:01,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:01,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:01,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:01,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:01,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:01,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:01,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:01,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:01,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:01,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:01,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:01,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:01,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:01,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797550198] [2021-03-26 07:54:01,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:01,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:54:01,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896907778] [2021-03-26 07:54:01,818 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:54:01,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:01,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:54:01,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:54:01,818 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 123 [2021-03-26 07:54:01,818 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 475 transitions, 8411 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:01,818 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:01,818 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 123 [2021-03-26 07:54:01,818 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:02,502 INFO L129 PetriNetUnfolder]: 664/1291 cut-off events. [2021-03-26 07:54:02,502 INFO L130 PetriNetUnfolder]: For 52735/52757 co-relation queries the response was YES. [2021-03-26 07:54:02,514 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14947 conditions, 1291 events. 664/1291 cut-off events. For 52735/52757 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 7954 event pairs, 175 based on Foata normal form. 14/1304 useless extension candidates. Maximal degree in co-relation 14809. Up to 1115 conditions per place. [2021-03-26 07:54:02,521 INFO L132 encePairwiseOnDemand]: 107/123 looper letters, 398 selfloop transitions, 83 changer transitions 2/491 dead transitions. [2021-03-26 07:54:02,521 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 491 transitions, 9645 flow [2021-03-26 07:54:02,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:54:02,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:54:02,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 471 transitions. [2021-03-26 07:54:02,522 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2552845528455285 [2021-03-26 07:54:02,522 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 471 transitions. [2021-03-26 07:54:02,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 471 transitions. [2021-03-26 07:54:02,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:02,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 471 transitions. [2021-03-26 07:54:02,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.4) internal successors, (471), 15 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:02,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 123.0) internal successors, (1968), 16 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:02,523 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 123.0) internal successors, (1968), 16 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:02,523 INFO L185 Difference]: Start difference. First operand has 376 places, 475 transitions, 8411 flow. Second operand 15 states and 471 transitions. [2021-03-26 07:54:02,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 491 transitions, 9645 flow [2021-03-26 07:54:02,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 491 transitions, 9475 flow, removed 3 selfloop flow, removed 12 redundant places. [2021-03-26 07:54:02,770 INFO L241 Difference]: Finished difference. Result has 381 places, 480 transitions, 8544 flow [2021-03-26 07:54:02,771 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=8253, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=475, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=8544, PETRI_PLACES=381, PETRI_TRANSITIONS=480} [2021-03-26 07:54:02,771 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 342 predicate places. [2021-03-26 07:54:02,771 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:02,771 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 381 places, 480 transitions, 8544 flow [2021-03-26 07:54:02,771 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 381 places, 480 transitions, 8544 flow [2021-03-26 07:54:02,774 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 379 places, 480 transitions, 8544 flow [2021-03-26 07:54:02,906 INFO L129 PetriNetUnfolder]: 408/921 cut-off events. [2021-03-26 07:54:02,907 INFO L130 PetriNetUnfolder]: For 35428/35504 co-relation queries the response was YES. [2021-03-26 07:54:02,916 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10063 conditions, 921 events. 408/921 cut-off events. For 35428/35504 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 6241 event pairs, 29 based on Foata normal form. 15/913 useless extension candidates. Maximal degree in co-relation 9926. Up to 399 conditions per place. [2021-03-26 07:54:02,925 INFO L142 LiptonReduction]: Number of co-enabled transitions 614 [2021-03-26 07:54:02,951 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:02,951 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:02,951 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 180 [2021-03-26 07:54:02,952 INFO L480 AbstractCegarLoop]: Abstraction has has 379 places, 480 transitions, 8544 flow [2021-03-26 07:54:02,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:02,952 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:02,952 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:02,952 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-03-26 07:54:02,952 INFO L428 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:02,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:02,952 INFO L82 PathProgramCache]: Analyzing trace with hash 157038339, now seen corresponding path program 2 times [2021-03-26 07:54:02,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:02,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94971185] [2021-03-26 07:54:02,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:02,960 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:02,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:02,964 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:02,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:02,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:02,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:02,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:02,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:02,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:02,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:02,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:02,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:03,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:03,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:03,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:03,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:03,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:03,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:03,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:03,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:03,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:03,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94971185] [2021-03-26 07:54:03,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:03,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:54:03,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585660302] [2021-03-26 07:54:03,050 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:54:03,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:03,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:54:03,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:54:03,050 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 123 [2021-03-26 07:54:03,050 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 480 transitions, 8544 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:03,050 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:03,050 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 123 [2021-03-26 07:54:03,050 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:03,665 INFO L129 PetriNetUnfolder]: 663/1295 cut-off events. [2021-03-26 07:54:03,665 INFO L130 PetriNetUnfolder]: For 54679/54701 co-relation queries the response was YES. [2021-03-26 07:54:03,680 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15025 conditions, 1295 events. 663/1295 cut-off events. For 54679/54701 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 8007 event pairs, 156 based on Foata normal form. 11/1305 useless extension candidates. Maximal degree in co-relation 14886. Up to 1153 conditions per place. [2021-03-26 07:54:03,686 INFO L132 encePairwiseOnDemand]: 108/123 looper letters, 440 selfloop transitions, 41 changer transitions 3/492 dead transitions. [2021-03-26 07:54:03,686 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 492 transitions, 9738 flow [2021-03-26 07:54:03,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:54:03,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:54:03,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 404 transitions. [2021-03-26 07:54:03,687 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.25265791119449654 [2021-03-26 07:54:03,687 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 404 transitions. [2021-03-26 07:54:03,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 404 transitions. [2021-03-26 07:54:03,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:03,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 404 transitions. [2021-03-26 07:54:03,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.076923076923077) internal successors, (404), 13 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:03,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 123.0) internal successors, (1722), 14 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:03,743 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 123.0) internal successors, (1722), 14 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:03,743 INFO L185 Difference]: Start difference. First operand has 379 places, 480 transitions, 8544 flow. Second operand 13 states and 404 transitions. [2021-03-26 07:54:03,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 492 transitions, 9738 flow [2021-03-26 07:54:03,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 492 transitions, 9531 flow, removed 37 selfloop flow, removed 11 redundant places. [2021-03-26 07:54:03,970 INFO L241 Difference]: Finished difference. Result has 382 places, 479 transitions, 8462 flow [2021-03-26 07:54:03,970 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=8338, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=480, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=8462, PETRI_PLACES=382, PETRI_TRANSITIONS=479} [2021-03-26 07:54:03,970 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 343 predicate places. [2021-03-26 07:54:03,970 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:03,970 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 382 places, 479 transitions, 8462 flow [2021-03-26 07:54:03,970 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 382 places, 479 transitions, 8462 flow [2021-03-26 07:54:03,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 379 places, 479 transitions, 8462 flow [2021-03-26 07:54:04,101 INFO L129 PetriNetUnfolder]: 408/916 cut-off events. [2021-03-26 07:54:04,101 INFO L130 PetriNetUnfolder]: For 36970/37070 co-relation queries the response was YES. [2021-03-26 07:54:04,110 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10091 conditions, 916 events. 408/916 cut-off events. For 36970/37070 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 6142 event pairs, 29 based on Foata normal form. 14/908 useless extension candidates. Maximal degree in co-relation 9954. Up to 399 conditions per place. [2021-03-26 07:54:04,120 INFO L142 LiptonReduction]: Number of co-enabled transitions 610 [2021-03-26 07:54:04,145 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:04,145 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:04,145 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 175 [2021-03-26 07:54:04,146 INFO L480 AbstractCegarLoop]: Abstraction has has 379 places, 479 transitions, 8462 flow [2021-03-26 07:54:04,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:04,146 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:04,146 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:04,146 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-03-26 07:54:04,146 INFO L428 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:04,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:04,146 INFO L82 PathProgramCache]: Analyzing trace with hash 563265574, now seen corresponding path program 2 times [2021-03-26 07:54:04,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:04,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316755339] [2021-03-26 07:54:04,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:04,154 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:04,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:04,158 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:04,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:04,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:04,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:04,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:04,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:04,183 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:54:04,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:54:04,202 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:54:04,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:54:04,224 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:54:04,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:54:04,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:04,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:04,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:04,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:04,278 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:54:04,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:04,294 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:54:04,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:04,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:04,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316755339] [2021-03-26 07:54:04,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:04,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:54:04,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942574244] [2021-03-26 07:54:04,297 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:54:04,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:04,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:54:04,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:54:04,298 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 123 [2021-03-26 07:54:04,298 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 479 transitions, 8462 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:04,298 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:04,298 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 123 [2021-03-26 07:54:04,298 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:05,203 INFO L129 PetriNetUnfolder]: 669/1307 cut-off events. [2021-03-26 07:54:05,203 INFO L130 PetriNetUnfolder]: For 58351/58365 co-relation queries the response was YES. [2021-03-26 07:54:05,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15285 conditions, 1307 events. 669/1307 cut-off events. For 58351/58365 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 8042 event pairs, 94 based on Foata normal form. 10/1315 useless extension candidates. Maximal degree in co-relation 15146. Up to 934 conditions per place. [2021-03-26 07:54:05,222 INFO L132 encePairwiseOnDemand]: 101/123 looper letters, 299 selfloop transitions, 211 changer transitions 4/522 dead transitions. [2021-03-26 07:54:05,222 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 522 transitions, 10510 flow [2021-03-26 07:54:05,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 07:54:05,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 07:54:05,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 635 transitions. [2021-03-26 07:54:05,223 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.258130081300813 [2021-03-26 07:54:05,223 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 635 transitions. [2021-03-26 07:54:05,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 635 transitions. [2021-03-26 07:54:05,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:05,223 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 635 transitions. [2021-03-26 07:54:05,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 31.75) internal successors, (635), 20 states have internal predecessors, (635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:05,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 123.0) internal successors, (2583), 21 states have internal predecessors, (2583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:05,225 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 123.0) internal successors, (2583), 21 states have internal predecessors, (2583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:05,225 INFO L185 Difference]: Start difference. First operand has 379 places, 479 transitions, 8462 flow. Second operand 20 states and 635 transitions. [2021-03-26 07:54:05,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 522 transitions, 10510 flow [2021-03-26 07:54:05,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 522 transitions, 10350 flow, removed 39 selfloop flow, removed 12 redundant places. [2021-03-26 07:54:05,503 INFO L241 Difference]: Finished difference. Result has 390 places, 492 transitions, 9231 flow [2021-03-26 07:54:05,504 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=8320, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=479, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=200, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=9231, PETRI_PLACES=390, PETRI_TRANSITIONS=492} [2021-03-26 07:54:05,504 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 351 predicate places. [2021-03-26 07:54:05,504 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:05,504 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 390 places, 492 transitions, 9231 flow [2021-03-26 07:54:05,504 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 390 places, 492 transitions, 9231 flow [2021-03-26 07:54:05,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 389 places, 492 transitions, 9231 flow [2021-03-26 07:54:05,654 INFO L129 PetriNetUnfolder]: 427/955 cut-off events. [2021-03-26 07:54:05,654 INFO L130 PetriNetUnfolder]: For 42748/42910 co-relation queries the response was YES. [2021-03-26 07:54:05,664 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10893 conditions, 955 events. 427/955 cut-off events. For 42748/42910 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 6459 event pairs, 26 based on Foata normal form. 18/938 useless extension candidates. Maximal degree in co-relation 10740. Up to 422 conditions per place. [2021-03-26 07:54:05,675 INFO L142 LiptonReduction]: Number of co-enabled transitions 606 [2021-03-26 07:54:05,703 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:05,703 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:05,703 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 199 [2021-03-26 07:54:05,703 INFO L480 AbstractCegarLoop]: Abstraction has has 389 places, 492 transitions, 9231 flow [2021-03-26 07:54:05,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:05,703 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:05,703 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:05,703 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-03-26 07:54:05,703 INFO L428 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:05,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:05,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1574347354, now seen corresponding path program 3 times [2021-03-26 07:54:05,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:05,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770007145] [2021-03-26 07:54:05,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:05,716 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:05,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:05,720 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:05,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:05,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:05,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:05,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:05,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:05,748 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:54:05,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:54:05,769 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:54:05,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:54:05,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:05,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:05,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:05,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:05,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:05,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:05,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:05,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:54:05,852 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:54:05,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:05,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:05,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770007145] [2021-03-26 07:54:05,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:05,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:54:05,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827738547] [2021-03-26 07:54:05,855 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:54:05,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:05,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:54:05,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:54:05,856 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 123 [2021-03-26 07:54:05,856 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 492 transitions, 9231 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:05,856 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:05,856 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 123 [2021-03-26 07:54:05,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:06,693 INFO L129 PetriNetUnfolder]: 666/1301 cut-off events. [2021-03-26 07:54:06,694 INFO L130 PetriNetUnfolder]: For 62295/62317 co-relation queries the response was YES. [2021-03-26 07:54:06,707 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15769 conditions, 1301 events. 666/1301 cut-off events. For 62295/62317 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 8074 event pairs, 143 based on Foata normal form. 11/1311 useless extension candidates. Maximal degree in co-relation 15597. Up to 1072 conditions per place. [2021-03-26 07:54:06,713 INFO L132 encePairwiseOnDemand]: 102/123 looper letters, 367 selfloop transitions, 131 changer transitions 6/512 dead transitions. [2021-03-26 07:54:06,713 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 512 transitions, 10853 flow [2021-03-26 07:54:06,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:54:06,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:54:06,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 510 transitions. [2021-03-26 07:54:06,715 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.25914634146341464 [2021-03-26 07:54:06,715 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 510 transitions. [2021-03-26 07:54:06,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 510 transitions. [2021-03-26 07:54:06,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:06,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 510 transitions. [2021-03-26 07:54:06,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.875) internal successors, (510), 16 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:06,716 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 123.0) internal successors, (2091), 17 states have internal predecessors, (2091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:06,716 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 123.0) internal successors, (2091), 17 states have internal predecessors, (2091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:06,716 INFO L185 Difference]: Start difference. First operand has 389 places, 492 transitions, 9231 flow. Second operand 16 states and 510 transitions. [2021-03-26 07:54:06,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 512 transitions, 10853 flow [2021-03-26 07:54:06,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 392 places, 512 transitions, 10308 flow, removed 195 selfloop flow, removed 12 redundant places. [2021-03-26 07:54:07,000 INFO L241 Difference]: Finished difference. Result has 394 places, 493 transitions, 9172 flow [2021-03-26 07:54:07,001 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=8782, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=492, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=129, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=9172, PETRI_PLACES=394, PETRI_TRANSITIONS=493} [2021-03-26 07:54:07,001 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 355 predicate places. [2021-03-26 07:54:07,001 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:07,001 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 394 places, 493 transitions, 9172 flow [2021-03-26 07:54:07,001 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 394 places, 493 transitions, 9172 flow [2021-03-26 07:54:07,005 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 392 places, 493 transitions, 9172 flow [2021-03-26 07:54:07,174 INFO L129 PetriNetUnfolder]: 424/953 cut-off events. [2021-03-26 07:54:07,174 INFO L130 PetriNetUnfolder]: For 41779/41897 co-relation queries the response was YES. [2021-03-26 07:54:07,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10884 conditions, 953 events. 424/953 cut-off events. For 41779/41897 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 6473 event pairs, 31 based on Foata normal form. 13/937 useless extension candidates. Maximal degree in co-relation 10745. Up to 393 conditions per place. [2021-03-26 07:54:07,193 INFO L142 LiptonReduction]: Number of co-enabled transitions 604 [2021-03-26 07:54:07,218 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:07,219 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:07,219 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 218 [2021-03-26 07:54:07,219 INFO L480 AbstractCegarLoop]: Abstraction has has 392 places, 493 transitions, 9172 flow [2021-03-26 07:54:07,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:07,219 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:07,219 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:07,219 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-03-26 07:54:07,219 INFO L428 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:07,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:07,219 INFO L82 PathProgramCache]: Analyzing trace with hash -56452461, now seen corresponding path program 1 times [2021-03-26 07:54:07,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:07,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360851609] [2021-03-26 07:54:07,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:07,227 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:07,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:07,232 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:07,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:07,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:07,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:07,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:07,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:07,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:07,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:07,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:07,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:07,282 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 07:54:07,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:54:07,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:07,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:54:07,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:07,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:54:07,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:07,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:54:07,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:07,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:07,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:07,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360851609] [2021-03-26 07:54:07,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:07,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:54:07,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245316472] [2021-03-26 07:54:07,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:54:07,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:07,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:54:07,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:54:07,344 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 123 [2021-03-26 07:54:07,344 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 493 transitions, 9172 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:07,344 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:07,344 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 123 [2021-03-26 07:54:07,344 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:08,235 INFO L129 PetriNetUnfolder]: 677/1327 cut-off events. [2021-03-26 07:54:08,236 INFO L130 PetriNetUnfolder]: For 65513/65535 co-relation queries the response was YES. [2021-03-26 07:54:08,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16197 conditions, 1327 events. 677/1327 cut-off events. For 65513/65535 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 8304 event pairs, 61 based on Foata normal form. 14/1340 useless extension candidates. Maximal degree in co-relation 16056. Up to 965 conditions per place. [2021-03-26 07:54:08,255 INFO L132 encePairwiseOnDemand]: 101/123 looper letters, 333 selfloop transitions, 187 changer transitions 2/530 dead transitions. [2021-03-26 07:54:08,255 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 530 transitions, 11165 flow [2021-03-26 07:54:08,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:54:08,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:54:08,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 527 transitions. [2021-03-26 07:54:08,256 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.26778455284552843 [2021-03-26 07:54:08,257 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 527 transitions. [2021-03-26 07:54:08,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 527 transitions. [2021-03-26 07:54:08,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:08,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 527 transitions. [2021-03-26 07:54:08,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.9375) internal successors, (527), 16 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:08,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 123.0) internal successors, (2091), 17 states have internal predecessors, (2091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:08,258 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 123.0) internal successors, (2091), 17 states have internal predecessors, (2091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:08,258 INFO L185 Difference]: Start difference. First operand has 392 places, 493 transitions, 9172 flow. Second operand 16 states and 527 transitions. [2021-03-26 07:54:08,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 530 transitions, 11165 flow [2021-03-26 07:54:08,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 530 transitions, 10893 flow, removed 78 selfloop flow, removed 8 redundant places. [2021-03-26 07:54:08,552 INFO L241 Difference]: Finished difference. Result has 401 places, 503 transitions, 9766 flow [2021-03-26 07:54:08,553 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=8910, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=493, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=180, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=9766, PETRI_PLACES=401, PETRI_TRANSITIONS=503} [2021-03-26 07:54:08,553 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 362 predicate places. [2021-03-26 07:54:08,553 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:08,553 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 401 places, 503 transitions, 9766 flow [2021-03-26 07:54:08,553 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 401 places, 503 transitions, 9766 flow [2021-03-26 07:54:08,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 400 places, 503 transitions, 9766 flow [2021-03-26 07:54:08,701 INFO L129 PetriNetUnfolder]: 412/939 cut-off events. [2021-03-26 07:54:08,701 INFO L130 PetriNetUnfolder]: For 42898/43031 co-relation queries the response was YES. [2021-03-26 07:54:08,711 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11027 conditions, 939 events. 412/939 cut-off events. For 42898/43031 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 6456 event pairs, 28 based on Foata normal form. 19/927 useless extension candidates. Maximal degree in co-relation 10856. Up to 375 conditions per place. [2021-03-26 07:54:08,721 INFO L142 LiptonReduction]: Number of co-enabled transitions 606 [2021-03-26 07:54:08,749 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:08,749 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:08,749 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 196 [2021-03-26 07:54:08,750 INFO L480 AbstractCegarLoop]: Abstraction has has 400 places, 503 transitions, 9766 flow [2021-03-26 07:54:08,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:08,750 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:08,750 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:08,750 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-03-26 07:54:08,750 INFO L428 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:08,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:08,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1827842847, now seen corresponding path program 5 times [2021-03-26 07:54:08,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:08,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329216099] [2021-03-26 07:54:08,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:08,758 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:08,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:08,763 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:08,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:08,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:08,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:08,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:08,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:08,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:08,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:08,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:08,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:08,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:08,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:08,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:08,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:08,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:08,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:08,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:08,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:54:08,872 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:54:08,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:08,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:08,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329216099] [2021-03-26 07:54:08,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:08,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:54:08,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319848794] [2021-03-26 07:54:08,875 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:54:08,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:08,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:54:08,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:54:08,876 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 123 [2021-03-26 07:54:08,876 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 503 transitions, 9766 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:08,876 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:08,876 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 123 [2021-03-26 07:54:08,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:09,659 INFO L129 PetriNetUnfolder]: 676/1321 cut-off events. [2021-03-26 07:54:09,659 INFO L130 PetriNetUnfolder]: For 66497/66512 co-relation queries the response was YES. [2021-03-26 07:54:09,673 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16618 conditions, 1321 events. 676/1321 cut-off events. For 66497/66512 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 8238 event pairs, 179 based on Foata normal form. 10/1329 useless extension candidates. Maximal degree in co-relation 16457. Up to 1151 conditions per place. [2021-03-26 07:54:09,680 INFO L132 encePairwiseOnDemand]: 107/123 looper letters, 421 selfloop transitions, 81 changer transitions 3/513 dead transitions. [2021-03-26 07:54:09,680 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 513 transitions, 10909 flow [2021-03-26 07:54:09,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:54:09,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:54:09,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 469 transitions. [2021-03-26 07:54:09,681 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.25420054200542 [2021-03-26 07:54:09,681 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 469 transitions. [2021-03-26 07:54:09,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 469 transitions. [2021-03-26 07:54:09,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:09,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 469 transitions. [2021-03-26 07:54:09,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.266666666666666) internal successors, (469), 15 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:09,683 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 123.0) internal successors, (1968), 16 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:09,683 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 123.0) internal successors, (1968), 16 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:09,683 INFO L185 Difference]: Start difference. First operand has 400 places, 503 transitions, 9766 flow. Second operand 15 states and 469 transitions. [2021-03-26 07:54:09,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 513 transitions, 10909 flow [2021-03-26 07:54:09,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 513 transitions, 10457 flow, removed 152 selfloop flow, removed 7 redundant places. [2021-03-26 07:54:10,001 INFO L241 Difference]: Finished difference. Result has 409 places, 502 transitions, 9470 flow [2021-03-26 07:54:10,002 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=9314, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=503, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=9470, PETRI_PLACES=409, PETRI_TRANSITIONS=502} [2021-03-26 07:54:10,002 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 370 predicate places. [2021-03-26 07:54:10,002 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:10,002 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 409 places, 502 transitions, 9470 flow [2021-03-26 07:54:10,002 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 409 places, 502 transitions, 9470 flow [2021-03-26 07:54:10,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 407 places, 502 transitions, 9470 flow [2021-03-26 07:54:10,147 INFO L129 PetriNetUnfolder]: 423/953 cut-off events. [2021-03-26 07:54:10,147 INFO L130 PetriNetUnfolder]: For 43276/43417 co-relation queries the response was YES. [2021-03-26 07:54:10,157 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11158 conditions, 953 events. 423/953 cut-off events. For 43276/43417 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 6513 event pairs, 29 based on Foata normal form. 15/933 useless extension candidates. Maximal degree in co-relation 11015. Up to 375 conditions per place. [2021-03-26 07:54:10,166 INFO L142 LiptonReduction]: Number of co-enabled transitions 606 [2021-03-26 07:54:10,194 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:10,194 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:10,195 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 193 [2021-03-26 07:54:10,195 INFO L480 AbstractCegarLoop]: Abstraction has has 407 places, 502 transitions, 9470 flow [2021-03-26 07:54:10,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:10,195 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:10,195 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:10,195 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-03-26 07:54:10,195 INFO L428 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:10,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:10,195 INFO L82 PathProgramCache]: Analyzing trace with hash 122370627, now seen corresponding path program 2 times [2021-03-26 07:54:10,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:10,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672948255] [2021-03-26 07:54:10,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:10,202 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:10,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:10,206 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:10,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:10,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:10,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:10,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:10,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:10,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:10,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:10,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:10,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:10,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:10,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:54:10,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:10,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:54:10,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:10,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:54:10,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:10,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:10,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:10,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:10,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:10,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672948255] [2021-03-26 07:54:10,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:10,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:54:10,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014615268] [2021-03-26 07:54:10,292 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:54:10,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:10,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:54:10,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:54:10,292 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 123 [2021-03-26 07:54:10,292 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 502 transitions, 9470 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:10,292 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:10,292 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 123 [2021-03-26 07:54:10,293 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:11,023 INFO L129 PetriNetUnfolder]: 678/1341 cut-off events. [2021-03-26 07:54:11,023 INFO L130 PetriNetUnfolder]: For 68227/68249 co-relation queries the response was YES. [2021-03-26 07:54:11,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16659 conditions, 1341 events. 678/1341 cut-off events. For 68227/68249 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 8462 event pairs, 86 based on Foata normal form. 15/1355 useless extension candidates. Maximal degree in co-relation 16514. Up to 981 conditions per place. [2021-03-26 07:54:11,042 INFO L132 encePairwiseOnDemand]: 99/123 looper letters, 311 selfloop transitions, 215 changer transitions 6/540 dead transitions. [2021-03-26 07:54:11,042 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 540 transitions, 11298 flow [2021-03-26 07:54:11,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:54:11,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:54:11,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 496 transitions. [2021-03-26 07:54:11,043 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.26883468834688345 [2021-03-26 07:54:11,043 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 496 transitions. [2021-03-26 07:54:11,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 496 transitions. [2021-03-26 07:54:11,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:11,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 496 transitions. [2021-03-26 07:54:11,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.06666666666667) internal successors, (496), 15 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:11,045 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 123.0) internal successors, (1968), 16 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:11,045 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 123.0) internal successors, (1968), 16 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:11,045 INFO L185 Difference]: Start difference. First operand has 407 places, 502 transitions, 9470 flow. Second operand 15 states and 496 transitions. [2021-03-26 07:54:11,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 540 transitions, 11298 flow [2021-03-26 07:54:11,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 540 transitions, 11119 flow, removed 7 selfloop flow, removed 14 redundant places. [2021-03-26 07:54:11,308 INFO L241 Difference]: Finished difference. Result has 414 places, 513 transitions, 10225 flow [2021-03-26 07:54:11,308 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=9299, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=502, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=204, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=10225, PETRI_PLACES=414, PETRI_TRANSITIONS=513} [2021-03-26 07:54:11,308 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 375 predicate places. [2021-03-26 07:54:11,308 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:11,308 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 414 places, 513 transitions, 10225 flow [2021-03-26 07:54:11,308 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 414 places, 513 transitions, 10225 flow [2021-03-26 07:54:11,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 414 places, 513 transitions, 10225 flow [2021-03-26 07:54:11,450 INFO L129 PetriNetUnfolder]: 422/974 cut-off events. [2021-03-26 07:54:11,450 INFO L130 PetriNetUnfolder]: For 46684/46866 co-relation queries the response was YES. [2021-03-26 07:54:11,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11779 conditions, 974 events. 422/974 cut-off events. For 46684/46866 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 6693 event pairs, 34 based on Foata normal form. 22/963 useless extension candidates. Maximal degree in co-relation 11601. Up to 376 conditions per place. [2021-03-26 07:54:11,470 INFO L142 LiptonReduction]: Number of co-enabled transitions 604 [2021-03-26 07:54:11,574 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:11,574 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 07:54:11,574 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 266 [2021-03-26 07:54:11,574 INFO L480 AbstractCegarLoop]: Abstraction has has 414 places, 513 transitions, 10305 flow [2021-03-26 07:54:11,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:11,574 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:11,575 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:11,575 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-03-26 07:54:11,575 INFO L428 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:11,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:11,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1384769677, now seen corresponding path program 6 times [2021-03-26 07:54:11,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:11,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82114143] [2021-03-26 07:54:11,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:11,582 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:11,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:11,587 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:11,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:11,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:11,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:11,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:11,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:11,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:11,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:11,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:11,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:11,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:11,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:11,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:11,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:11,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:11,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:11,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:11,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:54:11,682 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:54:11,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:11,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:11,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82114143] [2021-03-26 07:54:11,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:11,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:54:11,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910862290] [2021-03-26 07:54:11,685 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:54:11,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:11,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:54:11,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:54:11,686 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 125 [2021-03-26 07:54:11,686 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 513 transitions, 10305 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:11,686 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:11,686 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 125 [2021-03-26 07:54:11,686 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:12,420 INFO L129 PetriNetUnfolder]: 675/1339 cut-off events. [2021-03-26 07:54:12,420 INFO L130 PetriNetUnfolder]: For 69828/69832 co-relation queries the response was YES. [2021-03-26 07:54:12,434 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17203 conditions, 1339 events. 675/1339 cut-off events. For 69828/69832 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 8458 event pairs, 164 based on Foata normal form. 5/1343 useless extension candidates. Maximal degree in co-relation 17035. Up to 1201 conditions per place. [2021-03-26 07:54:12,441 INFO L132 encePairwiseOnDemand]: 110/125 looper letters, 471 selfloop transitions, 46 changer transitions 2/527 dead transitions. [2021-03-26 07:54:12,441 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 527 transitions, 11546 flow [2021-03-26 07:54:12,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:54:12,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:54:12,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 488 transitions. [2021-03-26 07:54:12,442 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.244 [2021-03-26 07:54:12,442 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 488 transitions. [2021-03-26 07:54:12,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 488 transitions. [2021-03-26 07:54:12,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:12,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 488 transitions. [2021-03-26 07:54:12,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 30.5) internal successors, (488), 16 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:12,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 125.0) internal successors, (2125), 17 states have internal predecessors, (2125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:12,444 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 125.0) internal successors, (2125), 17 states have internal predecessors, (2125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:12,444 INFO L185 Difference]: Start difference. First operand has 414 places, 513 transitions, 10305 flow. Second operand 16 states and 488 transitions. [2021-03-26 07:54:12,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 527 transitions, 11546 flow [2021-03-26 07:54:12,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 527 transitions, 10990 flow, removed 94 selfloop flow, removed 12 redundant places. [2021-03-26 07:54:12,754 INFO L241 Difference]: Finished difference. Result has 421 places, 516 transitions, 9920 flow [2021-03-26 07:54:12,754 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=9751, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=513, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=9920, PETRI_PLACES=421, PETRI_TRANSITIONS=516} [2021-03-26 07:54:12,754 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 382 predicate places. [2021-03-26 07:54:12,754 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:12,754 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 421 places, 516 transitions, 9920 flow [2021-03-26 07:54:12,754 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 421 places, 516 transitions, 9920 flow [2021-03-26 07:54:12,758 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 420 places, 516 transitions, 9920 flow [2021-03-26 07:54:12,898 INFO L129 PetriNetUnfolder]: 418/965 cut-off events. [2021-03-26 07:54:12,898 INFO L130 PetriNetUnfolder]: For 44779/44958 co-relation queries the response was YES. [2021-03-26 07:54:12,908 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11356 conditions, 965 events. 418/965 cut-off events. For 44779/44958 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 6724 event pairs, 34 based on Foata normal form. 18/953 useless extension candidates. Maximal degree in co-relation 11203. Up to 368 conditions per place. [2021-03-26 07:54:12,918 INFO L142 LiptonReduction]: Number of co-enabled transitions 606 [2021-03-26 07:54:13,002 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:13,003 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:54:13,003 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 249 [2021-03-26 07:54:13,003 INFO L480 AbstractCegarLoop]: Abstraction has has 419 places, 515 transitions, 9914 flow [2021-03-26 07:54:13,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:13,003 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:13,003 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:13,003 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-03-26 07:54:13,003 INFO L428 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:13,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:13,004 INFO L82 PathProgramCache]: Analyzing trace with hash -580701479, now seen corresponding path program 1 times [2021-03-26 07:54:13,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:13,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530555308] [2021-03-26 07:54:13,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:13,011 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:13,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:13,015 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:13,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:13,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:13,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:13,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:13,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:13,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:13,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:13,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:13,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:13,058 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 07:54:13,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:54:13,074 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 07:54:13,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:13,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:13,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:54:13,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:13,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:13,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:13,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530555308] [2021-03-26 07:54:13,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:13,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:54:13,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318905307] [2021-03-26 07:54:13,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:54:13,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:13,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:54:13,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:54:13,089 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 126 [2021-03-26 07:54:13,089 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 515 transitions, 9914 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:13,089 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:13,089 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 126 [2021-03-26 07:54:13,089 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:13,819 INFO L129 PetriNetUnfolder]: 674/1340 cut-off events. [2021-03-26 07:54:13,819 INFO L130 PetriNetUnfolder]: For 69369/69391 co-relation queries the response was YES. [2021-03-26 07:54:13,832 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16789 conditions, 1340 events. 674/1340 cut-off events. For 69369/69391 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 8497 event pairs, 62 based on Foata normal form. 14/1353 useless extension candidates. Maximal degree in co-relation 16633. Up to 976 conditions per place. [2021-03-26 07:54:13,837 INFO L132 encePairwiseOnDemand]: 103/126 looper letters, 341 selfloop transitions, 186 changer transitions 5/540 dead transitions. [2021-03-26 07:54:13,837 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 431 places, 540 transitions, 11427 flow [2021-03-26 07:54:13,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:54:13,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:54:13,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 446 transitions. [2021-03-26 07:54:13,838 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27228327228327226 [2021-03-26 07:54:13,838 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 446 transitions. [2021-03-26 07:54:13,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 446 transitions. [2021-03-26 07:54:13,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:13,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 446 transitions. [2021-03-26 07:54:13,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 34.30769230769231) internal successors, (446), 13 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:13,839 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 126.0) internal successors, (1764), 14 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:13,840 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 126.0) internal successors, (1764), 14 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:13,840 INFO L185 Difference]: Start difference. First operand has 419 places, 515 transitions, 9914 flow. Second operand 13 states and 446 transitions. [2021-03-26 07:54:13,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 431 places, 540 transitions, 11427 flow [2021-03-26 07:54:14,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 418 places, 540 transitions, 11285 flow, removed 27 selfloop flow, removed 13 redundant places. [2021-03-26 07:54:14,130 INFO L241 Difference]: Finished difference. Result has 420 places, 511 transitions, 10152 flow [2021-03-26 07:54:14,130 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=9772, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=186, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=10152, PETRI_PLACES=420, PETRI_TRANSITIONS=511} [2021-03-26 07:54:14,131 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 381 predicate places. [2021-03-26 07:54:14,131 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:14,131 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 420 places, 511 transitions, 10152 flow [2021-03-26 07:54:14,131 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 420 places, 511 transitions, 10152 flow [2021-03-26 07:54:14,135 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 419 places, 511 transitions, 10152 flow [2021-03-26 07:54:14,283 INFO L129 PetriNetUnfolder]: 417/964 cut-off events. [2021-03-26 07:54:14,284 INFO L130 PetriNetUnfolder]: For 44958/45085 co-relation queries the response was YES. [2021-03-26 07:54:14,293 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11626 conditions, 964 events. 417/964 cut-off events. For 44958/45085 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 6602 event pairs, 28 based on Foata normal form. 14/950 useless extension candidates. Maximal degree in co-relation 11454. Up to 369 conditions per place. [2021-03-26 07:54:14,304 INFO L142 LiptonReduction]: Number of co-enabled transitions 602 [2021-03-26 07:54:14,332 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:14,332 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:14,332 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 201 [2021-03-26 07:54:14,332 INFO L480 AbstractCegarLoop]: Abstraction has has 419 places, 511 transitions, 10152 flow [2021-03-26 07:54:14,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:14,333 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:14,333 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:14,333 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-03-26 07:54:14,333 INFO L428 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:14,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:14,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1452782630, now seen corresponding path program 1 times [2021-03-26 07:54:14,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:14,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125094431] [2021-03-26 07:54:14,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:14,340 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:14,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:14,344 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:14,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:14,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:14,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:14,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:14,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:14,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:14,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:14,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:14,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:14,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:14,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:14,398 INFO L142 QuantifierPusher]: treesize reduction 25, result has 54.5 percent of original size [2021-03-26 07:54:14,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:54:14,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:14,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:54:14,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:14,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:14,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:14,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125094431] [2021-03-26 07:54:14,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:14,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:54:14,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927589158] [2021-03-26 07:54:14,437 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:54:14,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:14,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:54:14,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:54:14,437 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 126 [2021-03-26 07:54:14,437 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 511 transitions, 10152 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:14,437 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:14,437 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 126 [2021-03-26 07:54:14,437 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:15,134 INFO L129 PetriNetUnfolder]: 673/1328 cut-off events. [2021-03-26 07:54:15,134 INFO L130 PetriNetUnfolder]: For 70027/70031 co-relation queries the response was YES. [2021-03-26 07:54:15,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17083 conditions, 1328 events. 673/1328 cut-off events. For 70027/70031 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 8355 event pairs, 92 based on Foata normal form. 5/1332 useless extension candidates. Maximal degree in co-relation 16914. Up to 1156 conditions per place. [2021-03-26 07:54:15,155 INFO L132 encePairwiseOnDemand]: 108/126 looper letters, 426 selfloop transitions, 84 changer transitions 3/521 dead transitions. [2021-03-26 07:54:15,155 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 434 places, 521 transitions, 11332 flow [2021-03-26 07:54:15,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:54:15,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:54:15,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 499 transitions. [2021-03-26 07:54:15,156 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24751984126984128 [2021-03-26 07:54:15,156 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 499 transitions. [2021-03-26 07:54:15,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 499 transitions. [2021-03-26 07:54:15,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:15,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 499 transitions. [2021-03-26 07:54:15,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.1875) internal successors, (499), 16 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:15,158 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 126.0) internal successors, (2142), 17 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:15,158 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 126.0) internal successors, (2142), 17 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:15,158 INFO L185 Difference]: Start difference. First operand has 419 places, 511 transitions, 10152 flow. Second operand 16 states and 499 transitions. [2021-03-26 07:54:15,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 434 places, 521 transitions, 11332 flow [2021-03-26 07:54:15,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 521 transitions, 10867 flow, removed 10 selfloop flow, removed 15 redundant places. [2021-03-26 07:54:15,498 INFO L241 Difference]: Finished difference. Result has 420 places, 508 transitions, 9825 flow [2021-03-26 07:54:15,498 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=9687, PETRI_DIFFERENCE_MINUEND_PLACES=404, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=511, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=9825, PETRI_PLACES=420, PETRI_TRANSITIONS=508} [2021-03-26 07:54:15,499 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 381 predicate places. [2021-03-26 07:54:15,499 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:15,499 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 420 places, 508 transitions, 9825 flow [2021-03-26 07:54:15,499 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 420 places, 508 transitions, 9825 flow [2021-03-26 07:54:15,502 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 418 places, 508 transitions, 9825 flow [2021-03-26 07:54:15,661 INFO L129 PetriNetUnfolder]: 417/949 cut-off events. [2021-03-26 07:54:15,661 INFO L130 PetriNetUnfolder]: For 44026/44148 co-relation queries the response was YES. [2021-03-26 07:54:15,671 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11333 conditions, 949 events. 417/949 cut-off events. For 44026/44148 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 6498 event pairs, 26 based on Foata normal form. 20/939 useless extension candidates. Maximal degree in co-relation 11181. Up to 360 conditions per place. [2021-03-26 07:54:15,682 INFO L142 LiptonReduction]: Number of co-enabled transitions 600 [2021-03-26 07:54:15,712 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:15,712 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:15,712 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 213 [2021-03-26 07:54:15,712 INFO L480 AbstractCegarLoop]: Abstraction has has 418 places, 508 transitions, 9825 flow [2021-03-26 07:54:15,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:15,712 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:15,712 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:15,712 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-03-26 07:54:15,712 INFO L428 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:15,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:15,713 INFO L82 PathProgramCache]: Analyzing trace with hash -822417295, now seen corresponding path program 7 times [2021-03-26 07:54:15,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:15,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085065825] [2021-03-26 07:54:15,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:15,720 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:15,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:15,725 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:15,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:15,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:15,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:15,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:15,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:15,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:15,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:15,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:15,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:15,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:15,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:15,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:15,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:15,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:15,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:15,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:15,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:54:15,828 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:54:15,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:15,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:15,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085065825] [2021-03-26 07:54:15,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:15,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:54:15,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860706111] [2021-03-26 07:54:15,831 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:54:15,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:15,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:54:15,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:54:15,832 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 126 [2021-03-26 07:54:15,832 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 508 transitions, 9825 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:15,832 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:15,832 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 126 [2021-03-26 07:54:15,832 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:16,519 INFO L129 PetriNetUnfolder]: 672/1322 cut-off events. [2021-03-26 07:54:16,519 INFO L130 PetriNetUnfolder]: For 69066/69083 co-relation queries the response was YES. [2021-03-26 07:54:16,533 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16745 conditions, 1322 events. 672/1322 cut-off events. For 69066/69083 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 8302 event pairs, 164 based on Foata normal form. 11/1332 useless extension candidates. Maximal degree in co-relation 16591. Up to 1188 conditions per place. [2021-03-26 07:54:16,602 INFO L132 encePairwiseOnDemand]: 111/126 looper letters, 466 selfloop transitions, 44 changer transitions 3/521 dead transitions. [2021-03-26 07:54:16,602 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 431 places, 521 transitions, 11098 flow [2021-03-26 07:54:16,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:54:16,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:54:16,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 431 transitions. [2021-03-26 07:54:16,603 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2443310657596372 [2021-03-26 07:54:16,603 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 431 transitions. [2021-03-26 07:54:16,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 431 transitions. [2021-03-26 07:54:16,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:16,603 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 431 transitions. [2021-03-26 07:54:16,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 30.785714285714285) internal successors, (431), 14 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:16,604 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 126.0) internal successors, (1890), 15 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:16,604 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 126.0) internal successors, (1890), 15 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:16,604 INFO L185 Difference]: Start difference. First operand has 418 places, 508 transitions, 9825 flow. Second operand 14 states and 431 transitions. [2021-03-26 07:54:16,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 431 places, 521 transitions, 11098 flow [2021-03-26 07:54:16,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 521 transitions, 10893 flow, removed 7 selfloop flow, removed 19 redundant places. [2021-03-26 07:54:16,880 INFO L241 Difference]: Finished difference. Result has 414 places, 508 transitions, 9710 flow [2021-03-26 07:54:16,880 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=9628, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=508, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=9710, PETRI_PLACES=414, PETRI_TRANSITIONS=508} [2021-03-26 07:54:16,881 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 375 predicate places. [2021-03-26 07:54:16,881 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:16,881 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 414 places, 508 transitions, 9710 flow [2021-03-26 07:54:16,881 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 414 places, 508 transitions, 9710 flow [2021-03-26 07:54:16,884 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 412 places, 508 transitions, 9710 flow [2021-03-26 07:54:17,018 INFO L129 PetriNetUnfolder]: 419/950 cut-off events. [2021-03-26 07:54:17,018 INFO L130 PetriNetUnfolder]: For 45866/46039 co-relation queries the response was YES. [2021-03-26 07:54:17,027 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11303 conditions, 950 events. 419/950 cut-off events. For 45866/46039 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 6478 event pairs, 32 based on Foata normal form. 23/938 useless extension candidates. Maximal degree in co-relation 11157. Up to 365 conditions per place. [2021-03-26 07:54:17,037 INFO L142 LiptonReduction]: Number of co-enabled transitions 600 [2021-03-26 07:54:17,065 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:17,066 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:17,066 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 185 [2021-03-26 07:54:17,066 INFO L480 AbstractCegarLoop]: Abstraction has has 412 places, 508 transitions, 9710 flow [2021-03-26 07:54:17,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:17,066 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:17,066 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:17,066 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-03-26 07:54:17,066 INFO L428 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:17,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:17,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1638418139, now seen corresponding path program 8 times [2021-03-26 07:54:17,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:17,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283261146] [2021-03-26 07:54:17,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:17,074 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:17,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:17,078 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:17,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:17,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:17,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:17,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:17,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:17,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:17,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:17,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:17,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:17,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:17,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:17,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:17,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:17,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:17,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:17,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:17,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:54:17,173 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:54:17,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:17,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:17,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283261146] [2021-03-26 07:54:17,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:17,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:54:17,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280501291] [2021-03-26 07:54:17,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:54:17,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:17,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:54:17,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:54:17,177 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 126 [2021-03-26 07:54:17,177 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 508 transitions, 9710 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:17,177 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:17,177 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 126 [2021-03-26 07:54:17,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:17,812 INFO L129 PetriNetUnfolder]: 670/1323 cut-off events. [2021-03-26 07:54:17,812 INFO L130 PetriNetUnfolder]: For 68402/68406 co-relation queries the response was YES. [2021-03-26 07:54:17,825 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16627 conditions, 1323 events. 670/1323 cut-off events. For 68402/68406 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 8242 event pairs, 168 based on Foata normal form. 5/1327 useless extension candidates. Maximal degree in co-relation 16476. Up to 1194 conditions per place. [2021-03-26 07:54:17,832 INFO L132 encePairwiseOnDemand]: 111/126 looper letters, 467 selfloop transitions, 39 changer transitions 3/517 dead transitions. [2021-03-26 07:54:17,832 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 517 transitions, 10857 flow [2021-03-26 07:54:17,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:54:17,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:54:17,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 455 transitions. [2021-03-26 07:54:17,834 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24074074074074073 [2021-03-26 07:54:17,834 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 455 transitions. [2021-03-26 07:54:17,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 455 transitions. [2021-03-26 07:54:17,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:17,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 455 transitions. [2021-03-26 07:54:17,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 30.333333333333332) internal successors, (455), 15 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:17,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 126.0) internal successors, (2016), 16 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:17,835 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 126.0) internal successors, (2016), 16 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:17,835 INFO L185 Difference]: Start difference. First operand has 412 places, 508 transitions, 9710 flow. Second operand 15 states and 455 transitions. [2021-03-26 07:54:17,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 517 transitions, 10857 flow [2021-03-26 07:54:18,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 517 transitions, 10750 flow, removed 10 selfloop flow, removed 12 redundant places. [2021-03-26 07:54:18,145 INFO L241 Difference]: Finished difference. Result has 416 places, 507 transitions, 9718 flow [2021-03-26 07:54:18,146 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=9609, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=508, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=469, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=9718, PETRI_PLACES=416, PETRI_TRANSITIONS=507} [2021-03-26 07:54:18,146 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 377 predicate places. [2021-03-26 07:54:18,146 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:18,146 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 416 places, 507 transitions, 9718 flow [2021-03-26 07:54:18,146 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 416 places, 507 transitions, 9718 flow [2021-03-26 07:54:18,150 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 414 places, 507 transitions, 9718 flow [2021-03-26 07:54:18,295 INFO L129 PetriNetUnfolder]: 404/939 cut-off events. [2021-03-26 07:54:18,295 INFO L130 PetriNetUnfolder]: For 42928/43036 co-relation queries the response was YES. [2021-03-26 07:54:18,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10994 conditions, 939 events. 404/939 cut-off events. For 42928/43036 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 6485 event pairs, 28 based on Foata normal form. 20/934 useless extension candidates. Maximal degree in co-relation 10846. Up to 351 conditions per place. [2021-03-26 07:54:18,315 INFO L142 LiptonReduction]: Number of co-enabled transitions 600 [2021-03-26 07:54:18,481 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:18,481 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 07:54:18,481 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 335 [2021-03-26 07:54:18,481 INFO L480 AbstractCegarLoop]: Abstraction has has 411 places, 505 transitions, 9706 flow [2021-03-26 07:54:18,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:18,481 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:18,481 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:18,481 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-03-26 07:54:18,481 INFO L428 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:18,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:18,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1938935495, now seen corresponding path program 9 times [2021-03-26 07:54:18,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:18,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53845707] [2021-03-26 07:54:18,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:18,489 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:18,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:18,493 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:18,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:18,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:18,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:18,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:18,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:18,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:18,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:18,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:18,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:18,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:18,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:18,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:18,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:18,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:18,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:18,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:18,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:54:18,593 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:54:18,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:18,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:18,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53845707] [2021-03-26 07:54:18,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:18,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:54:18,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818097416] [2021-03-26 07:54:18,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:54:18,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:18,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:54:18,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:54:18,596 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 128 [2021-03-26 07:54:18,596 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 505 transitions, 9706 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:18,596 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:18,596 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 128 [2021-03-26 07:54:18,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:19,338 INFO L129 PetriNetUnfolder]: 669/1326 cut-off events. [2021-03-26 07:54:19,339 INFO L130 PetriNetUnfolder]: For 68362/68387 co-relation queries the response was YES. [2021-03-26 07:54:19,353 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16617 conditions, 1326 events. 669/1326 cut-off events. For 68362/68387 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 8337 event pairs, 182 based on Foata normal form. 16/1341 useless extension candidates. Maximal degree in co-relation 16463. Up to 1192 conditions per place. [2021-03-26 07:54:19,359 INFO L132 encePairwiseOnDemand]: 113/128 looper letters, 464 selfloop transitions, 44 changer transitions 2/518 dead transitions. [2021-03-26 07:54:19,359 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 518 transitions, 10887 flow [2021-03-26 07:54:19,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:54:19,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:54:19,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 459 transitions. [2021-03-26 07:54:19,360 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2390625 [2021-03-26 07:54:19,360 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 459 transitions. [2021-03-26 07:54:19,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 459 transitions. [2021-03-26 07:54:19,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:19,360 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 459 transitions. [2021-03-26 07:54:19,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 30.6) internal successors, (459), 15 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:19,361 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 128.0) internal successors, (2048), 16 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:19,362 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 128.0) internal successors, (2048), 16 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:19,362 INFO L185 Difference]: Start difference. First operand has 411 places, 505 transitions, 9706 flow. Second operand 15 states and 459 transitions. [2021-03-26 07:54:19,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 518 transitions, 10887 flow [2021-03-26 07:54:19,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 518 transitions, 10741 flow, removed 35 selfloop flow, removed 12 redundant places. [2021-03-26 07:54:19,659 INFO L241 Difference]: Finished difference. Result has 417 places, 508 transitions, 9733 flow [2021-03-26 07:54:19,660 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=9570, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=505, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=9733, PETRI_PLACES=417, PETRI_TRANSITIONS=508} [2021-03-26 07:54:19,660 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 378 predicate places. [2021-03-26 07:54:19,660 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:19,660 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 417 places, 508 transitions, 9733 flow [2021-03-26 07:54:19,660 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 417 places, 508 transitions, 9733 flow [2021-03-26 07:54:19,663 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 416 places, 508 transitions, 9733 flow [2021-03-26 07:54:19,819 INFO L129 PetriNetUnfolder]: 408/950 cut-off events. [2021-03-26 07:54:19,819 INFO L130 PetriNetUnfolder]: For 42599/42710 co-relation queries the response was YES. [2021-03-26 07:54:19,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11012 conditions, 950 events. 408/950 cut-off events. For 42599/42710 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 6569 event pairs, 31 based on Foata normal form. 21/944 useless extension candidates. Maximal degree in co-relation 10861. Up to 352 conditions per place. [2021-03-26 07:54:19,839 INFO L142 LiptonReduction]: Number of co-enabled transitions 600 [2021-03-26 07:54:19,920 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:19,920 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:54:19,920 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 260 [2021-03-26 07:54:19,920 INFO L480 AbstractCegarLoop]: Abstraction has has 415 places, 507 transitions, 9727 flow [2021-03-26 07:54:19,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:19,921 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:19,921 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:19,921 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-03-26 07:54:19,921 INFO L428 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:19,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:19,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1768840131, now seen corresponding path program 1 times [2021-03-26 07:54:19,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:19,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945227459] [2021-03-26 07:54:19,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:19,928 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:19,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:19,933 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:19,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:19,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:19,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:19,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:19,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:19,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:19,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:19,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:19,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:19,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:19,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:19,995 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:54:19,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:20,011 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:54:20,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:20,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:20,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945227459] [2021-03-26 07:54:20,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:20,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:54:20,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623051631] [2021-03-26 07:54:20,014 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:54:20,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:20,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:54:20,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:54:20,015 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 129 [2021-03-26 07:54:20,015 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 507 transitions, 9727 flow. Second operand has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:20,015 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:20,015 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 129 [2021-03-26 07:54:20,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:20,786 INFO L129 PetriNetUnfolder]: 669/1317 cut-off events. [2021-03-26 07:54:20,786 INFO L130 PetriNetUnfolder]: For 66056/66080 co-relation queries the response was YES. [2021-03-26 07:54:20,800 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16474 conditions, 1317 events. 669/1317 cut-off events. For 66056/66080 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 8272 event pairs, 178 based on Foata normal form. 21/1337 useless extension candidates. Maximal degree in co-relation 16322. Up to 1162 conditions per place. [2021-03-26 07:54:20,807 INFO L132 encePairwiseOnDemand]: 113/129 looper letters, 440 selfloop transitions, 63 changer transitions 3/514 dead transitions. [2021-03-26 07:54:20,807 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 514 transitions, 10812 flow [2021-03-26 07:54:20,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:54:20,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:54:20,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 437 transitions. [2021-03-26 07:54:20,808 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24197120708748615 [2021-03-26 07:54:20,808 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 437 transitions. [2021-03-26 07:54:20,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 437 transitions. [2021-03-26 07:54:20,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:20,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 437 transitions. [2021-03-26 07:54:20,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.214285714285715) internal successors, (437), 14 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:20,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:20,809 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:20,809 INFO L185 Difference]: Start difference. First operand has 415 places, 507 transitions, 9727 flow. Second operand 14 states and 437 transitions. [2021-03-26 07:54:20,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 514 transitions, 10812 flow [2021-03-26 07:54:21,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 415 places, 514 transitions, 10656 flow, removed 25 selfloop flow, removed 13 redundant places. [2021-03-26 07:54:21,119 INFO L241 Difference]: Finished difference. Result has 416 places, 504 transitions, 9677 flow [2021-03-26 07:54:21,119 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=9571, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=507, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=9677, PETRI_PLACES=416, PETRI_TRANSITIONS=504} [2021-03-26 07:54:21,120 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 377 predicate places. [2021-03-26 07:54:21,120 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:21,120 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 416 places, 504 transitions, 9677 flow [2021-03-26 07:54:21,120 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 416 places, 504 transitions, 9677 flow [2021-03-26 07:54:21,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 412 places, 504 transitions, 9677 flow [2021-03-26 07:54:21,273 INFO L129 PetriNetUnfolder]: 410/944 cut-off events. [2021-03-26 07:54:21,273 INFO L130 PetriNetUnfolder]: For 41987/42114 co-relation queries the response was YES. [2021-03-26 07:54:21,283 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11102 conditions, 944 events. 410/944 cut-off events. For 41987/42114 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 6503 event pairs, 30 based on Foata normal form. 22/936 useless extension candidates. Maximal degree in co-relation 10935. Up to 355 conditions per place. [2021-03-26 07:54:21,294 INFO L142 LiptonReduction]: Number of co-enabled transitions 598 [2021-03-26 07:54:21,323 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:21,323 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:21,323 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 203 [2021-03-26 07:54:21,323 INFO L480 AbstractCegarLoop]: Abstraction has has 412 places, 504 transitions, 9677 flow [2021-03-26 07:54:21,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:21,323 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:21,323 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:21,324 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-03-26 07:54:21,324 INFO L428 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:21,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:21,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1195795649, now seen corresponding path program 1 times [2021-03-26 07:54:21,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:21,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518156559] [2021-03-26 07:54:21,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:21,333 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:21,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:21,337 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:21,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:21,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:21,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:21,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:21,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:21,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:21,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:21,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:21,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:21,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:21,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:21,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:21,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:21,415 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:54:21,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:21,431 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:54:21,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:21,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:21,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518156559] [2021-03-26 07:54:21,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:21,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:54:21,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031663693] [2021-03-26 07:54:21,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:54:21,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:21,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:54:21,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:54:21,435 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 129 [2021-03-26 07:54:21,435 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 504 transitions, 9677 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:21,435 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:21,435 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 129 [2021-03-26 07:54:21,435 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:22,207 INFO L129 PetriNetUnfolder]: 669/1311 cut-off events. [2021-03-26 07:54:22,208 INFO L130 PetriNetUnfolder]: For 65097/65114 co-relation queries the response was YES. [2021-03-26 07:54:22,221 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16462 conditions, 1311 events. 669/1311 cut-off events. For 65097/65114 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 8178 event pairs, 90 based on Foata normal form. 14/1324 useless extension candidates. Maximal degree in co-relation 16296. Up to 1133 conditions per place. [2021-03-26 07:54:22,227 INFO L132 encePairwiseOnDemand]: 111/129 looper letters, 408 selfloop transitions, 95 changer transitions 2/513 dead transitions. [2021-03-26 07:54:22,228 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 513 transitions, 10793 flow [2021-03-26 07:54:22,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:54:22,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:54:22,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 447 transitions. [2021-03-26 07:54:22,229 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24750830564784054 [2021-03-26 07:54:22,229 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 447 transitions. [2021-03-26 07:54:22,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 447 transitions. [2021-03-26 07:54:22,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:22,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 447 transitions. [2021-03-26 07:54:22,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.928571428571427) internal successors, (447), 14 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:22,230 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:22,230 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:22,230 INFO L185 Difference]: Start difference. First operand has 412 places, 504 transitions, 9677 flow. Second operand 14 states and 447 transitions. [2021-03-26 07:54:22,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 513 transitions, 10793 flow [2021-03-26 07:54:22,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 513 transitions, 10636 flow, removed 2 selfloop flow, removed 16 redundant places. [2021-03-26 07:54:22,527 INFO L241 Difference]: Finished difference. Result has 410 places, 502 transitions, 9721 flow [2021-03-26 07:54:22,527 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=9520, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=504, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=9721, PETRI_PLACES=410, PETRI_TRANSITIONS=502} [2021-03-26 07:54:22,527 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 371 predicate places. [2021-03-26 07:54:22,527 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:22,527 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 410 places, 502 transitions, 9721 flow [2021-03-26 07:54:22,527 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 410 places, 502 transitions, 9721 flow [2021-03-26 07:54:22,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 408 places, 502 transitions, 9721 flow [2021-03-26 07:54:22,670 INFO L129 PetriNetUnfolder]: 420/950 cut-off events. [2021-03-26 07:54:22,670 INFO L130 PetriNetUnfolder]: For 44167/44290 co-relation queries the response was YES. [2021-03-26 07:54:22,679 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11315 conditions, 950 events. 420/950 cut-off events. For 44167/44290 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 6490 event pairs, 36 based on Foata normal form. 20/939 useless extension candidates. Maximal degree in co-relation 11165. Up to 366 conditions per place. [2021-03-26 07:54:22,689 INFO L142 LiptonReduction]: Number of co-enabled transitions 596 [2021-03-26 07:54:22,716 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:22,716 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:22,717 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 190 [2021-03-26 07:54:22,717 INFO L480 AbstractCegarLoop]: Abstraction has has 408 places, 502 transitions, 9721 flow [2021-03-26 07:54:22,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:22,717 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:22,717 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:22,717 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-03-26 07:54:22,717 INFO L428 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:22,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:22,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1065194815, now seen corresponding path program 10 times [2021-03-26 07:54:22,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:22,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892061059] [2021-03-26 07:54:22,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:22,724 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:22,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:22,728 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:22,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:22,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:22,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:22,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:22,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:22,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:22,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:22,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:22,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:22,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:22,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:22,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:22,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:22,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:22,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:22,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:22,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:54:22,825 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:54:22,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:22,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:22,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892061059] [2021-03-26 07:54:22,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:22,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:54:22,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935217390] [2021-03-26 07:54:22,828 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:54:22,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:22,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:54:22,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:54:22,829 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 129 [2021-03-26 07:54:22,829 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 502 transitions, 9721 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:22,829 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:22,829 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 129 [2021-03-26 07:54:22,829 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:23,430 INFO L129 PetriNetUnfolder]: 668/1307 cut-off events. [2021-03-26 07:54:23,430 INFO L130 PetriNetUnfolder]: For 66079/66096 co-relation queries the response was YES. [2021-03-26 07:54:23,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16475 conditions, 1307 events. 668/1307 cut-off events. For 66079/66096 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 8170 event pairs, 166 based on Foata normal form. 11/1317 useless extension candidates. Maximal degree in co-relation 16323. Up to 1185 conditions per place. [2021-03-26 07:54:23,448 INFO L132 encePairwiseOnDemand]: 114/129 looper letters, 460 selfloop transitions, 40 changer transitions 3/511 dead transitions. [2021-03-26 07:54:23,448 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 511 transitions, 10852 flow [2021-03-26 07:54:23,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:54:23,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:54:23,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 428 transitions. [2021-03-26 07:54:23,449 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2369878183831672 [2021-03-26 07:54:23,449 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 428 transitions. [2021-03-26 07:54:23,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 428 transitions. [2021-03-26 07:54:23,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:23,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 428 transitions. [2021-03-26 07:54:23,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 30.571428571428573) internal successors, (428), 14 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:23,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:23,450 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:23,450 INFO L185 Difference]: Start difference. First operand has 408 places, 502 transitions, 9721 flow. Second operand 14 states and 428 transitions. [2021-03-26 07:54:23,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 511 transitions, 10852 flow [2021-03-26 07:54:23,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 511 transitions, 10633 flow, removed 2 selfloop flow, removed 15 redundant places. [2021-03-26 07:54:23,733 INFO L241 Difference]: Finished difference. Result has 408 places, 501 transitions, 9561 flow [2021-03-26 07:54:23,734 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=9502, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=502, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=9561, PETRI_PLACES=408, PETRI_TRANSITIONS=501} [2021-03-26 07:54:23,734 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 369 predicate places. [2021-03-26 07:54:23,734 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:23,734 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 408 places, 501 transitions, 9561 flow [2021-03-26 07:54:23,734 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 408 places, 501 transitions, 9561 flow [2021-03-26 07:54:23,737 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 406 places, 501 transitions, 9561 flow [2021-03-26 07:54:23,866 INFO L129 PetriNetUnfolder]: 404/928 cut-off events. [2021-03-26 07:54:23,866 INFO L130 PetriNetUnfolder]: For 42520/42629 co-relation queries the response was YES. [2021-03-26 07:54:23,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10914 conditions, 928 events. 404/928 cut-off events. For 42520/42629 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 6410 event pairs, 27 based on Foata normal form. 20/921 useless extension candidates. Maximal degree in co-relation 10769. Up to 353 conditions per place. [2021-03-26 07:54:23,885 INFO L142 LiptonReduction]: Number of co-enabled transitions 596 [2021-03-26 07:54:23,912 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:23,912 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:23,913 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 179 [2021-03-26 07:54:23,913 INFO L480 AbstractCegarLoop]: Abstraction has has 406 places, 501 transitions, 9561 flow [2021-03-26 07:54:23,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:23,913 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:23,913 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:23,913 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-03-26 07:54:23,913 INFO L428 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:23,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:23,913 INFO L82 PathProgramCache]: Analyzing trace with hash -2139232781, now seen corresponding path program 3 times [2021-03-26 07:54:23,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:23,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375730818] [2021-03-26 07:54:23,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:23,920 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:23,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:23,924 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:23,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:23,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:23,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:23,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:23,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:23,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:23,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:23,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:23,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:23,966 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 07:54:23,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:54:23,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:23,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:54:23,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:23,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:54:24,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:24,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:54:24,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:24,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:24,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:24,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375730818] [2021-03-26 07:54:24,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:24,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:54:24,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227849820] [2021-03-26 07:54:24,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:54:24,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:24,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:54:24,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:54:24,021 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 129 [2021-03-26 07:54:24,021 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 501 transitions, 9561 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:24,023 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:24,023 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 129 [2021-03-26 07:54:24,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:24,698 INFO L129 PetriNetUnfolder]: 670/1314 cut-off events. [2021-03-26 07:54:24,698 INFO L130 PetriNetUnfolder]: For 68532/68556 co-relation queries the response was YES. [2021-03-26 07:54:24,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16629 conditions, 1314 events. 670/1314 cut-off events. For 68532/68556 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 8176 event pairs, 158 based on Foata normal form. 21/1334 useless extension candidates. Maximal degree in co-relation 16482. Up to 1153 conditions per place. [2021-03-26 07:54:24,718 INFO L132 encePairwiseOnDemand]: 113/129 looper letters, 441 selfloop transitions, 67 changer transitions 2/518 dead transitions. [2021-03-26 07:54:24,718 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 518 transitions, 11076 flow [2021-03-26 07:54:24,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:54:24,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:54:24,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 469 transitions. [2021-03-26 07:54:24,719 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24237726098191215 [2021-03-26 07:54:24,719 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 469 transitions. [2021-03-26 07:54:24,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 469 transitions. [2021-03-26 07:54:24,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:24,719 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 469 transitions. [2021-03-26 07:54:24,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.266666666666666) internal successors, (469), 15 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:24,720 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 129.0) internal successors, (2064), 16 states have internal predecessors, (2064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:24,720 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 129.0) internal successors, (2064), 16 states have internal predecessors, (2064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:24,720 INFO L185 Difference]: Start difference. First operand has 406 places, 501 transitions, 9561 flow. Second operand 15 states and 469 transitions. [2021-03-26 07:54:24,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 518 transitions, 11076 flow [2021-03-26 07:54:25,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 518 transitions, 10967 flow, removed 13 selfloop flow, removed 13 redundant places. [2021-03-26 07:54:25,021 INFO L241 Difference]: Finished difference. Result has 409 places, 506 transitions, 9847 flow [2021-03-26 07:54:25,021 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=9468, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=501, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=9847, PETRI_PLACES=409, PETRI_TRANSITIONS=506} [2021-03-26 07:54:25,021 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 370 predicate places. [2021-03-26 07:54:25,021 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:25,021 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 409 places, 506 transitions, 9847 flow [2021-03-26 07:54:25,021 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 409 places, 506 transitions, 9847 flow [2021-03-26 07:54:25,025 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 408 places, 506 transitions, 9847 flow [2021-03-26 07:54:25,163 INFO L129 PetriNetUnfolder]: 416/942 cut-off events. [2021-03-26 07:54:25,163 INFO L130 PetriNetUnfolder]: For 44461/44603 co-relation queries the response was YES. [2021-03-26 07:54:25,172 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11198 conditions, 942 events. 416/942 cut-off events. For 44461/44603 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 6488 event pairs, 35 based on Foata normal form. 23/932 useless extension candidates. Maximal degree in co-relation 11024. Up to 363 conditions per place. [2021-03-26 07:54:25,182 INFO L142 LiptonReduction]: Number of co-enabled transitions 596 [2021-03-26 07:54:25,210 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:25,210 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:25,211 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 190 [2021-03-26 07:54:25,211 INFO L480 AbstractCegarLoop]: Abstraction has has 408 places, 506 transitions, 9847 flow [2021-03-26 07:54:25,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:25,211 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:25,211 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:25,211 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2021-03-26 07:54:25,211 INFO L428 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:25,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:25,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1292981535, now seen corresponding path program 4 times [2021-03-26 07:54:25,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:25,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816173101] [2021-03-26 07:54:25,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:25,218 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:25,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:25,222 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:25,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:25,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:25,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:25,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:25,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:25,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:25,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:25,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:25,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:54:25,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:25,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:54:25,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:25,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:54:25,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:25,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:54:25,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:25,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:25,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:25,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:25,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:25,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816173101] [2021-03-26 07:54:25,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:25,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:54:25,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566474825] [2021-03-26 07:54:25,305 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:54:25,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:25,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:54:25,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:54:25,305 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 129 [2021-03-26 07:54:25,305 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 506 transitions, 9847 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:25,305 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:25,305 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 129 [2021-03-26 07:54:25,305 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:25,934 INFO L129 PetriNetUnfolder]: 670/1319 cut-off events. [2021-03-26 07:54:25,934 INFO L130 PetriNetUnfolder]: For 68983/69000 co-relation queries the response was YES. [2021-03-26 07:54:25,999 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16713 conditions, 1319 events. 670/1319 cut-off events. For 68983/69000 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 8238 event pairs, 162 based on Foata normal form. 11/1329 useless extension candidates. Maximal degree in co-relation 16549. Up to 1177 conditions per place. [2021-03-26 07:54:26,004 INFO L132 encePairwiseOnDemand]: 113/129 looper letters, 448 selfloop transitions, 60 changer transitions 3/519 dead transitions. [2021-03-26 07:54:26,004 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 519 transitions, 11190 flow [2021-03-26 07:54:26,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:54:26,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:54:26,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 439 transitions. [2021-03-26 07:54:26,005 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24307862679955702 [2021-03-26 07:54:26,005 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 439 transitions. [2021-03-26 07:54:26,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 439 transitions. [2021-03-26 07:54:26,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:26,005 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 439 transitions. [2021-03-26 07:54:26,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.357142857142858) internal successors, (439), 14 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:26,007 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:26,007 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:26,007 INFO L185 Difference]: Start difference. First operand has 408 places, 506 transitions, 9847 flow. Second operand 14 states and 439 transitions. [2021-03-26 07:54:26,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 519 transitions, 11190 flow [2021-03-26 07:54:26,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 519 transitions, 10900 flow, removed 102 selfloop flow, removed 10 redundant places. [2021-03-26 07:54:26,267 INFO L241 Difference]: Finished difference. Result has 414 places, 508 transitions, 9773 flow [2021-03-26 07:54:26,268 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=9557, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=506, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=447, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=9773, PETRI_PLACES=414, PETRI_TRANSITIONS=508} [2021-03-26 07:54:26,268 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 375 predicate places. [2021-03-26 07:54:26,268 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:26,268 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 414 places, 508 transitions, 9773 flow [2021-03-26 07:54:26,268 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 414 places, 508 transitions, 9773 flow [2021-03-26 07:54:26,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 413 places, 508 transitions, 9773 flow [2021-03-26 07:54:26,402 INFO L129 PetriNetUnfolder]: 407/934 cut-off events. [2021-03-26 07:54:26,402 INFO L130 PetriNetUnfolder]: For 46454/46578 co-relation queries the response was YES. [2021-03-26 07:54:26,411 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11151 conditions, 934 events. 407/934 cut-off events. For 46454/46578 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 6505 event pairs, 28 based on Foata normal form. 21/927 useless extension candidates. Maximal degree in co-relation 11004. Up to 355 conditions per place. [2021-03-26 07:54:26,420 INFO L142 LiptonReduction]: Number of co-enabled transitions 596 [2021-03-26 07:54:26,449 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:26,449 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:26,449 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 181 [2021-03-26 07:54:26,450 INFO L480 AbstractCegarLoop]: Abstraction has has 413 places, 508 transitions, 9773 flow [2021-03-26 07:54:26,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:26,450 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:26,450 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:26,450 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-03-26 07:54:26,450 INFO L428 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:26,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:26,450 INFO L82 PathProgramCache]: Analyzing trace with hash 808251825, now seen corresponding path program 5 times [2021-03-26 07:54:26,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:26,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090232701] [2021-03-26 07:54:26,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:26,457 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:26,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:26,462 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:26,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:26,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:26,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:26,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:26,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:26,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:26,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:26,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:26,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:26,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:26,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:54:26,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:26,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:54:26,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:26,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:54:26,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:26,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:26,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:26,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:26,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:26,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090232701] [2021-03-26 07:54:26,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:26,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:54:26,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742941746] [2021-03-26 07:54:26,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:54:26,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:26,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:54:26,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:54:26,550 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 129 [2021-03-26 07:54:26,550 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 508 transitions, 9773 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:26,550 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:26,550 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 129 [2021-03-26 07:54:26,550 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:27,204 INFO L129 PetriNetUnfolder]: 670/1322 cut-off events. [2021-03-26 07:54:27,204 INFO L130 PetriNetUnfolder]: For 71696/71713 co-relation queries the response was YES. [2021-03-26 07:54:27,218 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16876 conditions, 1322 events. 670/1322 cut-off events. For 71696/71713 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 8319 event pairs, 160 based on Foata normal form. 11/1332 useless extension candidates. Maximal degree in co-relation 16727. Up to 1189 conditions per place. [2021-03-26 07:54:27,224 INFO L132 encePairwiseOnDemand]: 113/129 looper letters, 457 selfloop transitions, 54 changer transitions 3/522 dead transitions. [2021-03-26 07:54:27,224 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 522 transitions, 11154 flow [2021-03-26 07:54:27,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:54:27,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:54:27,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 434 transitions. [2021-03-26 07:54:27,226 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24031007751937986 [2021-03-26 07:54:27,226 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 434 transitions. [2021-03-26 07:54:27,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 434 transitions. [2021-03-26 07:54:27,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:27,226 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 434 transitions. [2021-03-26 07:54:27,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.0) internal successors, (434), 14 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:27,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:27,227 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:27,227 INFO L185 Difference]: Start difference. First operand has 413 places, 508 transitions, 9773 flow. Second operand 14 states and 434 transitions. [2021-03-26 07:54:27,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 522 transitions, 11154 flow [2021-03-26 07:54:27,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 415 places, 522 transitions, 10976 flow, removed 38 selfloop flow, removed 11 redundant places. [2021-03-26 07:54:27,554 INFO L241 Difference]: Finished difference. Result has 420 places, 511 transitions, 9842 flow [2021-03-26 07:54:27,554 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=9608, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=508, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=9842, PETRI_PLACES=420, PETRI_TRANSITIONS=511} [2021-03-26 07:54:27,554 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 381 predicate places. [2021-03-26 07:54:27,554 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:27,555 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 420 places, 511 transitions, 9842 flow [2021-03-26 07:54:27,555 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 420 places, 511 transitions, 9842 flow [2021-03-26 07:54:27,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 419 places, 511 transitions, 9842 flow [2021-03-26 07:54:27,718 INFO L129 PetriNetUnfolder]: 417/949 cut-off events. [2021-03-26 07:54:27,718 INFO L130 PetriNetUnfolder]: For 49388/49571 co-relation queries the response was YES. [2021-03-26 07:54:27,728 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11378 conditions, 949 events. 417/949 cut-off events. For 49388/49571 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 6493 event pairs, 32 based on Foata normal form. 17/934 useless extension candidates. Maximal degree in co-relation 11229. Up to 359 conditions per place. [2021-03-26 07:54:27,740 INFO L142 LiptonReduction]: Number of co-enabled transitions 596 [2021-03-26 07:54:27,769 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:27,769 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:27,769 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 215 [2021-03-26 07:54:27,770 INFO L480 AbstractCegarLoop]: Abstraction has has 419 places, 511 transitions, 9842 flow [2021-03-26 07:54:27,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:27,770 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:27,770 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:27,770 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2021-03-26 07:54:27,770 INFO L428 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:27,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:27,770 INFO L82 PathProgramCache]: Analyzing trace with hash 301905559, now seen corresponding path program 6 times [2021-03-26 07:54:27,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:27,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994075124] [2021-03-26 07:54:27,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:27,778 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:27,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:27,782 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:27,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:27,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:27,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:27,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:27,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:27,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:27,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:27,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:27,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:54:27,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:27,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:54:27,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:27,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:54:27,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:27,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:54:27,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:27,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:27,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:27,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:27,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:27,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994075124] [2021-03-26 07:54:27,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:27,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:54:27,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34524655] [2021-03-26 07:54:27,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:54:27,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:27,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:54:27,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:54:27,879 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 129 [2021-03-26 07:54:27,879 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 511 transitions, 9842 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:27,879 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:27,879 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 129 [2021-03-26 07:54:27,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:28,555 INFO L129 PetriNetUnfolder]: 669/1322 cut-off events. [2021-03-26 07:54:28,556 INFO L130 PetriNetUnfolder]: For 73719/73733 co-relation queries the response was YES. [2021-03-26 07:54:28,569 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16923 conditions, 1322 events. 669/1322 cut-off events. For 73719/73733 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 8278 event pairs, 180 based on Foata normal form. 10/1330 useless extension candidates. Maximal degree in co-relation 16772. Up to 1177 conditions per place. [2021-03-26 07:54:28,575 INFO L132 encePairwiseOnDemand]: 113/129 looper letters, 447 selfloop transitions, 64 changer transitions 3/522 dead transitions. [2021-03-26 07:54:28,575 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 522 transitions, 11183 flow [2021-03-26 07:54:28,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:54:28,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:54:28,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 466 transitions. [2021-03-26 07:54:28,576 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2408268733850129 [2021-03-26 07:54:28,576 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 466 transitions. [2021-03-26 07:54:28,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 466 transitions. [2021-03-26 07:54:28,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:28,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 466 transitions. [2021-03-26 07:54:28,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.066666666666666) internal successors, (466), 15 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:28,577 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 129.0) internal successors, (2064), 16 states have internal predecessors, (2064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:28,577 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 129.0) internal successors, (2064), 16 states have internal predecessors, (2064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:28,577 INFO L185 Difference]: Start difference. First operand has 419 places, 511 transitions, 9842 flow. Second operand 15 states and 466 transitions. [2021-03-26 07:54:28,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 522 transitions, 11183 flow [2021-03-26 07:54:28,884 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 522 transitions, 11018 flow, removed 35 selfloop flow, removed 11 redundant places. [2021-03-26 07:54:28,892 INFO L241 Difference]: Finished difference. Result has 425 places, 511 transitions, 9884 flow [2021-03-26 07:54:28,892 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=9681, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=511, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=447, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=9884, PETRI_PLACES=425, PETRI_TRANSITIONS=511} [2021-03-26 07:54:28,892 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 386 predicate places. [2021-03-26 07:54:28,892 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:28,892 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 425 places, 511 transitions, 9884 flow [2021-03-26 07:54:28,892 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 425 places, 511 transitions, 9884 flow [2021-03-26 07:54:28,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 424 places, 511 transitions, 9884 flow [2021-03-26 07:54:29,072 INFO L129 PetriNetUnfolder]: 404/938 cut-off events. [2021-03-26 07:54:29,072 INFO L130 PetriNetUnfolder]: For 49415/49577 co-relation queries the response was YES. [2021-03-26 07:54:29,081 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11301 conditions, 938 events. 404/938 cut-off events. For 49415/49577 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 6571 event pairs, 27 based on Foata normal form. 23/931 useless extension candidates. Maximal degree in co-relation 11151. Up to 353 conditions per place. [2021-03-26 07:54:29,095 INFO L142 LiptonReduction]: Number of co-enabled transitions 596 [2021-03-26 07:54:29,122 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:29,122 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:29,122 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 230 [2021-03-26 07:54:29,122 INFO L480 AbstractCegarLoop]: Abstraction has has 424 places, 511 transitions, 9884 flow [2021-03-26 07:54:29,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:29,123 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:29,123 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:29,123 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-03-26 07:54:29,123 INFO L428 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:29,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:29,123 INFO L82 PathProgramCache]: Analyzing trace with hash 227207791, now seen corresponding path program 1 times [2021-03-26 07:54:29,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:29,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575121187] [2021-03-26 07:54:29,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:29,131 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:29,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:29,136 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:29,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:29,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:29,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:29,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:29,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:29,161 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:54:29,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:54:29,180 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:54:29,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:54:29,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:29,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:29,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:29,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:29,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:29,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:29,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:29,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:54:29,258 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:54:29,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:29,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:29,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575121187] [2021-03-26 07:54:29,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:29,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:54:29,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717968887] [2021-03-26 07:54:29,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:54:29,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:29,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:54:29,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:54:29,262 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 129 [2021-03-26 07:54:29,262 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 511 transitions, 9884 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:29,262 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:29,262 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 129 [2021-03-26 07:54:29,262 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:30,179 INFO L129 PetriNetUnfolder]: 668/1321 cut-off events. [2021-03-26 07:54:30,179 INFO L130 PetriNetUnfolder]: For 75089/75106 co-relation queries the response was YES. [2021-03-26 07:54:30,195 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16999 conditions, 1321 events. 668/1321 cut-off events. For 75089/75106 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 8305 event pairs, 164 based on Foata normal form. 11/1331 useless extension candidates. Maximal degree in co-relation 16847. Up to 1064 conditions per place. [2021-03-26 07:54:30,202 INFO L132 encePairwiseOnDemand]: 106/129 looper letters, 386 selfloop transitions, 136 changer transitions 7/537 dead transitions. [2021-03-26 07:54:30,203 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 537 transitions, 11697 flow [2021-03-26 07:54:30,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 07:54:30,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 07:54:30,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 542 transitions. [2021-03-26 07:54:30,204 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2471500227998176 [2021-03-26 07:54:30,204 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 542 transitions. [2021-03-26 07:54:30,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 542 transitions. [2021-03-26 07:54:30,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:30,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 542 transitions. [2021-03-26 07:54:30,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 31.88235294117647) internal successors, (542), 17 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:30,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 129.0) internal successors, (2322), 18 states have internal predecessors, (2322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:30,206 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 129.0) internal successors, (2322), 18 states have internal predecessors, (2322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:30,206 INFO L185 Difference]: Start difference. First operand has 424 places, 511 transitions, 9884 flow. Second operand 17 states and 542 transitions. [2021-03-26 07:54:30,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 537 transitions, 11697 flow [2021-03-26 07:54:30,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 537 transitions, 11394 flow, removed 61 selfloop flow, removed 12 redundant places. [2021-03-26 07:54:30,554 INFO L241 Difference]: Finished difference. Result has 430 places, 509 transitions, 9851 flow [2021-03-26 07:54:30,554 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=9629, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=511, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=9851, PETRI_PLACES=430, PETRI_TRANSITIONS=509} [2021-03-26 07:54:30,554 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 391 predicate places. [2021-03-26 07:54:30,554 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:30,554 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 430 places, 509 transitions, 9851 flow [2021-03-26 07:54:30,554 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 430 places, 509 transitions, 9851 flow [2021-03-26 07:54:30,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 428 places, 509 transitions, 9851 flow [2021-03-26 07:54:30,709 INFO L129 PetriNetUnfolder]: 418/960 cut-off events. [2021-03-26 07:54:30,709 INFO L130 PetriNetUnfolder]: For 45843/45993 co-relation queries the response was YES. [2021-03-26 07:54:30,720 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11434 conditions, 960 events. 418/960 cut-off events. For 45843/45993 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 6669 event pairs, 32 based on Foata normal form. 14/941 useless extension candidates. Maximal degree in co-relation 11286. Up to 368 conditions per place. [2021-03-26 07:54:30,730 INFO L142 LiptonReduction]: Number of co-enabled transitions 596 [2021-03-26 07:54:30,759 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:30,759 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:30,759 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 205 [2021-03-26 07:54:30,759 INFO L480 AbstractCegarLoop]: Abstraction has has 428 places, 509 transitions, 9851 flow [2021-03-26 07:54:30,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:30,759 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:30,759 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:30,760 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-03-26 07:54:30,760 INFO L428 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:30,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:30,760 INFO L82 PathProgramCache]: Analyzing trace with hash -242913037, now seen corresponding path program 3 times [2021-03-26 07:54:30,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:30,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020178958] [2021-03-26 07:54:30,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:30,767 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:30,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:30,771 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:30,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:30,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:30,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:30,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:30,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:30,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:30,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:30,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:30,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:30,817 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 07:54:30,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:54:30,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:30,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:54:30,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:30,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:54:30,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:30,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:30,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:30,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:30,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:30,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020178958] [2021-03-26 07:54:30,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:30,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:54:30,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128421341] [2021-03-26 07:54:30,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:54:30,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:30,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:54:30,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:54:30,861 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 129 [2021-03-26 07:54:30,861 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 509 transitions, 9851 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:30,861 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:30,861 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 129 [2021-03-26 07:54:30,861 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:31,649 INFO L129 PetriNetUnfolder]: 665/1318 cut-off events. [2021-03-26 07:54:31,650 INFO L130 PetriNetUnfolder]: For 70227/70251 co-relation queries the response was YES. [2021-03-26 07:54:31,663 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16683 conditions, 1318 events. 665/1318 cut-off events. For 70227/70251 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 8329 event pairs, 82 based on Foata normal form. 21/1338 useless extension candidates. Maximal degree in co-relation 16533. Up to 1009 conditions per place. [2021-03-26 07:54:31,669 INFO L132 encePairwiseOnDemand]: 107/129 looper letters, 347 selfloop transitions, 174 changer transitions 2/531 dead transitions. [2021-03-26 07:54:31,669 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 442 places, 531 transitions, 11314 flow [2021-03-26 07:54:31,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:54:31,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:54:31,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 490 transitions. [2021-03-26 07:54:31,671 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2532299741602067 [2021-03-26 07:54:31,671 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 490 transitions. [2021-03-26 07:54:31,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 490 transitions. [2021-03-26 07:54:31,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:31,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 490 transitions. [2021-03-26 07:54:31,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.666666666666664) internal successors, (490), 15 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:31,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 129.0) internal successors, (2064), 16 states have internal predecessors, (2064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:31,672 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 129.0) internal successors, (2064), 16 states have internal predecessors, (2064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:31,672 INFO L185 Difference]: Start difference. First operand has 428 places, 509 transitions, 9851 flow. Second operand 15 states and 490 transitions. [2021-03-26 07:54:31,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 442 places, 531 transitions, 11314 flow [2021-03-26 07:54:32,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 531 transitions, 11009 flow, removed 9 selfloop flow, removed 16 redundant places. [2021-03-26 07:54:32,017 INFO L241 Difference]: Finished difference. Result has 428 places, 509 transitions, 9956 flow [2021-03-26 07:54:32,017 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=9564, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=509, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=174, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=9956, PETRI_PLACES=428, PETRI_TRANSITIONS=509} [2021-03-26 07:54:32,017 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 389 predicate places. [2021-03-26 07:54:32,017 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:32,017 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 428 places, 509 transitions, 9956 flow [2021-03-26 07:54:32,018 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 428 places, 509 transitions, 9956 flow [2021-03-26 07:54:32,021 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 427 places, 509 transitions, 9956 flow [2021-03-26 07:54:32,170 INFO L129 PetriNetUnfolder]: 407/935 cut-off events. [2021-03-26 07:54:32,170 INFO L130 PetriNetUnfolder]: For 43888/44006 co-relation queries the response was YES. [2021-03-26 07:54:32,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11251 conditions, 935 events. 407/935 cut-off events. For 43888/44006 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 6509 event pairs, 30 based on Foata normal form. 21/923 useless extension candidates. Maximal degree in co-relation 11103. Up to 362 conditions per place. [2021-03-26 07:54:32,190 INFO L142 LiptonReduction]: Number of co-enabled transitions 596 [2021-03-26 07:54:32,219 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:32,219 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:32,220 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 203 [2021-03-26 07:54:32,220 INFO L480 AbstractCegarLoop]: Abstraction has has 427 places, 509 transitions, 9956 flow [2021-03-26 07:54:32,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:32,220 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:32,220 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:32,220 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-03-26 07:54:32,220 INFO L428 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:32,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:32,220 INFO L82 PathProgramCache]: Analyzing trace with hash -904621180, now seen corresponding path program 3 times [2021-03-26 07:54:32,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:32,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707287820] [2021-03-26 07:54:32,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:32,227 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:32,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:32,232 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:32,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:32,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:32,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:32,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:32,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:32,256 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:54:32,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:54:32,276 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:54:32,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:54:32,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:32,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:32,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:32,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:32,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:32,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:32,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:32,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:54:32,357 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:54:32,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:32,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:32,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707287820] [2021-03-26 07:54:32,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:32,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:54:32,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728189084] [2021-03-26 07:54:32,359 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:54:32,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:32,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:54:32,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:54:32,360 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 129 [2021-03-26 07:54:32,360 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 509 transitions, 9956 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:32,360 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:32,360 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 129 [2021-03-26 07:54:32,360 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:33,151 INFO L129 PetriNetUnfolder]: 664/1315 cut-off events. [2021-03-26 07:54:33,151 INFO L130 PetriNetUnfolder]: For 69766/69783 co-relation queries the response was YES. [2021-03-26 07:54:33,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16810 conditions, 1315 events. 664/1315 cut-off events. For 69766/69783 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 8293 event pairs, 151 based on Foata normal form. 11/1325 useless extension candidates. Maximal degree in co-relation 16660. Up to 1133 conditions per place. [2021-03-26 07:54:33,167 INFO L132 encePairwiseOnDemand]: 108/129 looper letters, 417 selfloop transitions, 97 changer transitions 3/525 dead transitions. [2021-03-26 07:54:33,167 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 525 transitions, 11329 flow [2021-03-26 07:54:33,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:54:33,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:54:33,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 478 transitions. [2021-03-26 07:54:33,168 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2470284237726098 [2021-03-26 07:54:33,168 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 478 transitions. [2021-03-26 07:54:33,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 478 transitions. [2021-03-26 07:54:33,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:33,168 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 478 transitions. [2021-03-26 07:54:33,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.866666666666667) internal successors, (478), 15 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:33,170 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 129.0) internal successors, (2064), 16 states have internal predecessors, (2064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:33,170 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 129.0) internal successors, (2064), 16 states have internal predecessors, (2064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:33,170 INFO L185 Difference]: Start difference. First operand has 427 places, 509 transitions, 9956 flow. Second operand 15 states and 478 transitions. [2021-03-26 07:54:33,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 525 transitions, 11329 flow [2021-03-26 07:54:33,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 525 transitions, 11056 flow, removed 2 selfloop flow, removed 12 redundant places. [2021-03-26 07:54:33,472 INFO L241 Difference]: Finished difference. Result has 432 places, 509 transitions, 9895 flow [2021-03-26 07:54:33,472 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=9685, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=509, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=9895, PETRI_PLACES=432, PETRI_TRANSITIONS=509} [2021-03-26 07:54:33,472 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 393 predicate places. [2021-03-26 07:54:33,472 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:33,472 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 432 places, 509 transitions, 9895 flow [2021-03-26 07:54:33,473 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 432 places, 509 transitions, 9895 flow [2021-03-26 07:54:33,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 430 places, 509 transitions, 9895 flow [2021-03-26 07:54:33,612 INFO L129 PetriNetUnfolder]: 421/951 cut-off events. [2021-03-26 07:54:33,613 INFO L130 PetriNetUnfolder]: For 46642/46771 co-relation queries the response was YES. [2021-03-26 07:54:33,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11431 conditions, 951 events. 421/951 cut-off events. For 46642/46771 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 6527 event pairs, 38 based on Foata normal form. 15/930 useless extension candidates. Maximal degree in co-relation 11281. Up to 373 conditions per place. [2021-03-26 07:54:33,632 INFO L142 LiptonReduction]: Number of co-enabled transitions 596 [2021-03-26 07:54:33,660 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:33,660 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:33,660 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 188 [2021-03-26 07:54:33,660 INFO L480 AbstractCegarLoop]: Abstraction has has 430 places, 509 transitions, 9895 flow [2021-03-26 07:54:33,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:33,661 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:33,661 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:33,661 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2021-03-26 07:54:33,661 INFO L428 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:33,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:33,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1783721341, now seen corresponding path program 1 times [2021-03-26 07:54:33,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:33,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149239723] [2021-03-26 07:54:33,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:33,668 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:33,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:33,672 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:33,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:33,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:33,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:33,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:33,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:33,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:33,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:33,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:33,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:33,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:33,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:33,731 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 07:54:33,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 07:54:33,760 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 07:54:33,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:54:33,789 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-26 07:54:33,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 07:54:33,819 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:54:33,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:33,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:33,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149239723] [2021-03-26 07:54:33,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:33,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:54:33,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010321445] [2021-03-26 07:54:33,821 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:54:33,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:33,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:54:33,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:54:33,822 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 129 [2021-03-26 07:54:33,822 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 430 places, 509 transitions, 9895 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:33,822 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:33,822 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 129 [2021-03-26 07:54:33,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:34,538 INFO L129 PetriNetUnfolder]: 665/1316 cut-off events. [2021-03-26 07:54:34,538 INFO L130 PetriNetUnfolder]: For 71425/71442 co-relation queries the response was YES. [2021-03-26 07:54:34,552 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16825 conditions, 1316 events. 665/1316 cut-off events. For 71425/71442 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 8277 event pairs, 151 based on Foata normal form. 14/1329 useless extension candidates. Maximal degree in co-relation 16673. Up to 1114 conditions per place. [2021-03-26 07:54:34,558 INFO L132 encePairwiseOnDemand]: 108/129 looper letters, 435 selfloop transitions, 92 changer transitions 2/537 dead transitions. [2021-03-26 07:54:34,558 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 537 transitions, 11641 flow [2021-03-26 07:54:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:54:34,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:54:34,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 479 transitions. [2021-03-26 07:54:34,559 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24754521963824289 [2021-03-26 07:54:34,559 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 479 transitions. [2021-03-26 07:54:34,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 479 transitions. [2021-03-26 07:54:34,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:34,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 479 transitions. [2021-03-26 07:54:34,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.933333333333334) internal successors, (479), 15 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:34,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 129.0) internal successors, (2064), 16 states have internal predecessors, (2064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:34,560 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 129.0) internal successors, (2064), 16 states have internal predecessors, (2064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:34,560 INFO L185 Difference]: Start difference. First operand has 430 places, 509 transitions, 9895 flow. Second operand 15 states and 479 transitions. [2021-03-26 07:54:34,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 537 transitions, 11641 flow [2021-03-26 07:54:34,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 537 transitions, 11403 flow, removed 12 selfloop flow, removed 13 redundant places. [2021-03-26 07:54:34,880 INFO L241 Difference]: Finished difference. Result has 435 places, 512 transitions, 9948 flow [2021-03-26 07:54:34,881 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=9673, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=509, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=418, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=9948, PETRI_PLACES=435, PETRI_TRANSITIONS=512} [2021-03-26 07:54:34,881 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 396 predicate places. [2021-03-26 07:54:34,881 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:34,881 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 435 places, 512 transitions, 9948 flow [2021-03-26 07:54:34,881 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 435 places, 512 transitions, 9948 flow [2021-03-26 07:54:34,885 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 434 places, 512 transitions, 9948 flow [2021-03-26 07:54:35,027 INFO L129 PetriNetUnfolder]: 408/931 cut-off events. [2021-03-26 07:54:35,027 INFO L130 PetriNetUnfolder]: For 46849/47057 co-relation queries the response was YES. [2021-03-26 07:54:35,037 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11260 conditions, 931 events. 408/931 cut-off events. For 46849/47057 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 6422 event pairs, 31 based on Foata normal form. 19/915 useless extension candidates. Maximal degree in co-relation 11091. Up to 363 conditions per place. [2021-03-26 07:54:35,047 INFO L142 LiptonReduction]: Number of co-enabled transitions 596 [2021-03-26 07:54:35,076 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:35,076 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:35,076 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 195 [2021-03-26 07:54:35,076 INFO L480 AbstractCegarLoop]: Abstraction has has 434 places, 512 transitions, 9948 flow [2021-03-26 07:54:35,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:35,077 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:35,077 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:35,077 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2021-03-26 07:54:35,077 INFO L428 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:35,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:35,077 INFO L82 PathProgramCache]: Analyzing trace with hash -904932557, now seen corresponding path program 1 times [2021-03-26 07:54:35,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:35,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453567066] [2021-03-26 07:54:35,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:35,084 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:35,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:35,088 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:35,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:35,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:35,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:35,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:35,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:35,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:35,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:35,122 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:54:35,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:54:35,125 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:54:35,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:54:35,146 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:54:35,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:54:35,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:35,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:35,184 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:54:35,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:35,199 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:54:35,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:35,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:35,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453567066] [2021-03-26 07:54:35,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:35,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:54:35,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024375229] [2021-03-26 07:54:35,202 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:54:35,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:35,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:54:35,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:54:35,203 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 129 [2021-03-26 07:54:35,203 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 434 places, 512 transitions, 9948 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:35,203 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:35,203 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 129 [2021-03-26 07:54:35,203 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:35,983 INFO L129 PetriNetUnfolder]: 682/1366 cut-off events. [2021-03-26 07:54:35,983 INFO L130 PetriNetUnfolder]: For 74954/74971 co-relation queries the response was YES. [2021-03-26 07:54:35,997 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17453 conditions, 1366 events. 682/1366 cut-off events. For 74954/74971 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 8762 event pairs, 116 based on Foata normal form. 15/1380 useless extension candidates. Maximal degree in co-relation 17280. Up to 1075 conditions per place. [2021-03-26 07:54:36,003 INFO L132 encePairwiseOnDemand]: 110/129 looper letters, 407 selfloop transitions, 146 changer transitions 9/570 dead transitions. [2021-03-26 07:54:36,003 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 570 transitions, 12341 flow [2021-03-26 07:54:36,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 07:54:36,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 07:54:36,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 551 transitions. [2021-03-26 07:54:36,004 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.25125398996808024 [2021-03-26 07:54:36,004 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 551 transitions. [2021-03-26 07:54:36,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 551 transitions. [2021-03-26 07:54:36,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:36,004 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 551 transitions. [2021-03-26 07:54:36,005 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.411764705882355) internal successors, (551), 17 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:36,006 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 129.0) internal successors, (2322), 18 states have internal predecessors, (2322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:36,006 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 129.0) internal successors, (2322), 18 states have internal predecessors, (2322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:36,006 INFO L185 Difference]: Start difference. First operand has 434 places, 512 transitions, 9948 flow. Second operand 17 states and 551 transitions. [2021-03-26 07:54:36,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 570 transitions, 12341 flow [2021-03-26 07:54:36,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 570 transitions, 12181 flow, removed 35 selfloop flow, removed 10 redundant places. [2021-03-26 07:54:36,358 INFO L241 Difference]: Finished difference. Result has 448 places, 538 transitions, 10982 flow [2021-03-26 07:54:36,358 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=9796, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=10982, PETRI_PLACES=448, PETRI_TRANSITIONS=538} [2021-03-26 07:54:36,358 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 409 predicate places. [2021-03-26 07:54:36,358 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:36,358 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 448 places, 538 transitions, 10982 flow [2021-03-26 07:54:36,358 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 448 places, 538 transitions, 10982 flow [2021-03-26 07:54:36,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 446 places, 538 transitions, 10982 flow [2021-03-26 07:54:36,513 INFO L129 PetriNetUnfolder]: 447/1008 cut-off events. [2021-03-26 07:54:36,513 INFO L130 PetriNetUnfolder]: For 57727/57985 co-relation queries the response was YES. [2021-03-26 07:54:36,524 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12811 conditions, 1008 events. 447/1008 cut-off events. For 57727/57985 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 6944 event pairs, 33 based on Foata normal form. 18/984 useless extension candidates. Maximal degree in co-relation 12640. Up to 390 conditions per place. [2021-03-26 07:54:36,534 INFO L142 LiptonReduction]: Number of co-enabled transitions 582 [2021-03-26 07:54:36,662 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-26 07:54:36,662 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 07:54:36,662 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 304 [2021-03-26 07:54:36,662 INFO L480 AbstractCegarLoop]: Abstraction has has 446 places, 538 transitions, 11117 flow [2021-03-26 07:54:36,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:36,663 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:36,663 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:36,663 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-03-26 07:54:36,663 INFO L428 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:36,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:36,663 INFO L82 PathProgramCache]: Analyzing trace with hash 608907125, now seen corresponding path program 7 times [2021-03-26 07:54:36,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:36,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728231786] [2021-03-26 07:54:36,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:36,670 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:36,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:36,674 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:36,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:36,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:36,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:36,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:36,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:36,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:36,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:36,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:36,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:36,717 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 07:54:36,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:54:36,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:36,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:54:36,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:36,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:54:36,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:36,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:36,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:36,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:36,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:36,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728231786] [2021-03-26 07:54:36,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:36,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:54:36,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667355414] [2021-03-26 07:54:36,770 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:54:36,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:36,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:54:36,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:54:36,771 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-26 07:54:36,771 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 538 transitions, 11117 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:36,771 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:36,771 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-26 07:54:36,771 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:37,458 INFO L129 PetriNetUnfolder]: 678/1350 cut-off events. [2021-03-26 07:54:37,458 INFO L130 PetriNetUnfolder]: For 83275/83299 co-relation queries the response was YES. [2021-03-26 07:54:37,474 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17995 conditions, 1350 events. 678/1350 cut-off events. For 83275/83299 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 8608 event pairs, 159 based on Foata normal form. 18/1367 useless extension candidates. Maximal degree in co-relation 17817. Up to 1221 conditions per place. [2021-03-26 07:54:37,481 INFO L132 encePairwiseOnDemand]: 116/132 looper letters, 486 selfloop transitions, 51 changer transitions 3/548 dead transitions. [2021-03-26 07:54:37,481 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 548 transitions, 12383 flow [2021-03-26 07:54:37,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:54:37,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:54:37,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 490 transitions. [2021-03-26 07:54:37,483 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23200757575757575 [2021-03-26 07:54:37,483 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 490 transitions. [2021-03-26 07:54:37,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 490 transitions. [2021-03-26 07:54:37,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:37,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 490 transitions. [2021-03-26 07:54:37,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 30.625) internal successors, (490), 16 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:37,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 132.0) internal successors, (2244), 17 states have internal predecessors, (2244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:37,484 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 132.0) internal successors, (2244), 17 states have internal predecessors, (2244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:37,484 INFO L185 Difference]: Start difference. First operand has 446 places, 538 transitions, 11117 flow. Second operand 16 states and 490 transitions. [2021-03-26 07:54:37,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 548 transitions, 12383 flow [2021-03-26 07:54:37,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 548 transitions, 11994 flow, removed 128 selfloop flow, removed 10 redundant places. [2021-03-26 07:54:37,877 INFO L241 Difference]: Finished difference. Result has 454 places, 538 transitions, 10872 flow [2021-03-26 07:54:37,878 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=10732, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=487, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=10872, PETRI_PLACES=454, PETRI_TRANSITIONS=538} [2021-03-26 07:54:37,878 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 415 predicate places. [2021-03-26 07:54:37,878 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:37,878 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 454 places, 538 transitions, 10872 flow [2021-03-26 07:54:37,878 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 454 places, 538 transitions, 10872 flow [2021-03-26 07:54:37,883 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 453 places, 538 transitions, 10872 flow [2021-03-26 07:54:38,060 INFO L129 PetriNetUnfolder]: 440/999 cut-off events. [2021-03-26 07:54:38,060 INFO L130 PetriNetUnfolder]: For 52223/52336 co-relation queries the response was YES. [2021-03-26 07:54:38,072 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12410 conditions, 999 events. 440/999 cut-off events. For 52223/52336 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 6885 event pairs, 32 based on Foata normal form. 14/979 useless extension candidates. Maximal degree in co-relation 12247. Up to 374 conditions per place. [2021-03-26 07:54:38,084 INFO L142 LiptonReduction]: Number of co-enabled transitions 584 [2021-03-26 07:54:38,260 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-26 07:54:38,260 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 07:54:38,260 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 382 [2021-03-26 07:54:38,261 INFO L480 AbstractCegarLoop]: Abstraction has has 453 places, 538 transitions, 10933 flow [2021-03-26 07:54:38,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:38,261 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:38,261 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:38,261 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2021-03-26 07:54:38,261 INFO L428 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:38,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:38,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1749850, now seen corresponding path program 1 times [2021-03-26 07:54:38,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:38,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256662636] [2021-03-26 07:54:38,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:38,268 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:38,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:38,273 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:38,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:38,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:38,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:38,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:38,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:38,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:38,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:38,314 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:54:38,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:54:38,317 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:54:38,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:54:38,344 INFO L142 QuantifierPusher]: treesize reduction 35, result has 44.4 percent of original size [2021-03-26 07:54:38,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 07:54:38,347 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:54:38,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:38,362 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:54:38,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:38,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:38,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256662636] [2021-03-26 07:54:38,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:38,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 07:54:38,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049361125] [2021-03-26 07:54:38,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 07:54:38,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:38,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 07:54:38,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 07:54:38,366 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-26 07:54:38,366 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 538 transitions, 10933 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:38,366 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:38,366 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-26 07:54:38,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:39,202 INFO L129 PetriNetUnfolder]: 677/1345 cut-off events. [2021-03-26 07:54:39,202 INFO L130 PetriNetUnfolder]: For 76680/76706 co-relation queries the response was YES. [2021-03-26 07:54:39,216 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17645 conditions, 1345 events. 677/1345 cut-off events. For 76680/76706 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 8624 event pairs, 111 based on Foata normal form. 20/1363 useless extension candidates. Maximal degree in co-relation 17481. Up to 1074 conditions per place. [2021-03-26 07:54:39,222 INFO L132 encePairwiseOnDemand]: 113/136 looper letters, 405 selfloop transitions, 143 changer transitions 5/561 dead transitions. [2021-03-26 07:54:39,223 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 561 transitions, 12475 flow [2021-03-26 07:54:39,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:54:39,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:54:39,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 443 transitions. [2021-03-26 07:54:39,224 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2505656108597285 [2021-03-26 07:54:39,224 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 443 transitions. [2021-03-26 07:54:39,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 443 transitions. [2021-03-26 07:54:39,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:39,224 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 443 transitions. [2021-03-26 07:54:39,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 34.07692307692308) internal successors, (443), 13 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:39,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 136.0) internal successors, (1904), 14 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:39,225 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 136.0) internal successors, (1904), 14 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:39,225 INFO L185 Difference]: Start difference. First operand has 453 places, 538 transitions, 10933 flow. Second operand 13 states and 443 transitions. [2021-03-26 07:54:39,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 561 transitions, 12475 flow [2021-03-26 07:54:39,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 561 transitions, 12301 flow, removed 37 selfloop flow, removed 12 redundant places. [2021-03-26 07:54:39,575 INFO L241 Difference]: Finished difference. Result has 455 places, 534 transitions, 11077 flow [2021-03-26 07:54:39,575 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=10759, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=11077, PETRI_PLACES=455, PETRI_TRANSITIONS=534} [2021-03-26 07:54:39,575 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 416 predicate places. [2021-03-26 07:54:39,575 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:39,575 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 455 places, 534 transitions, 11077 flow [2021-03-26 07:54:39,576 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 455 places, 534 transitions, 11077 flow [2021-03-26 07:54:39,579 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 454 places, 534 transitions, 11077 flow [2021-03-26 07:54:39,727 INFO L129 PetriNetUnfolder]: 438/992 cut-off events. [2021-03-26 07:54:39,727 INFO L130 PetriNetUnfolder]: For 52605/52731 co-relation queries the response was YES. [2021-03-26 07:54:39,738 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12582 conditions, 992 events. 438/992 cut-off events. For 52605/52731 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 6773 event pairs, 26 based on Foata normal form. 14/969 useless extension candidates. Maximal degree in co-relation 12409. Up to 371 conditions per place. [2021-03-26 07:54:39,749 INFO L142 LiptonReduction]: Number of co-enabled transitions 572 [2021-03-26 07:54:39,780 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:39,780 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:39,781 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 205 [2021-03-26 07:54:39,781 INFO L480 AbstractCegarLoop]: Abstraction has has 454 places, 534 transitions, 11077 flow [2021-03-26 07:54:39,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:39,781 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:39,781 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:39,781 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2021-03-26 07:54:39,781 INFO L428 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:39,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:39,781 INFO L82 PathProgramCache]: Analyzing trace with hash -932895085, now seen corresponding path program 1 times [2021-03-26 07:54:39,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:39,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907855045] [2021-03-26 07:54:39,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:39,788 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:39,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:39,792 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:39,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:39,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:39,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:39,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:39,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:39,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:39,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:39,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:39,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:39,835 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 07:54:39,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:39,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:39,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:54:39,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:39,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:54:39,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:39,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:39,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:39,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907855045] [2021-03-26 07:54:39,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:39,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:54:39,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001344560] [2021-03-26 07:54:39,875 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:54:39,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:39,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:54:39,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:54:39,875 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-26 07:54:39,875 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 534 transitions, 11077 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:39,876 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:39,876 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-26 07:54:39,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:40,538 INFO L129 PetriNetUnfolder]: 676/1342 cut-off events. [2021-03-26 07:54:40,538 INFO L130 PetriNetUnfolder]: For 77966/77983 co-relation queries the response was YES. [2021-03-26 07:54:40,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17859 conditions, 1342 events. 676/1342 cut-off events. For 77966/77983 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 8542 event pairs, 150 based on Foata normal form. 14/1355 useless extension candidates. Maximal degree in co-relation 17679. Up to 1194 conditions per place. [2021-03-26 07:54:40,559 INFO L132 encePairwiseOnDemand]: 120/136 looper letters, 475 selfloop transitions, 57 changer transitions 5/545 dead transitions. [2021-03-26 07:54:40,559 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 545 transitions, 12291 flow [2021-03-26 07:54:40,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:54:40,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:54:40,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 443 transitions. [2021-03-26 07:54:40,560 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23266806722689076 [2021-03-26 07:54:40,560 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 443 transitions. [2021-03-26 07:54:40,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 443 transitions. [2021-03-26 07:54:40,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:40,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 443 transitions. [2021-03-26 07:54:40,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.642857142857142) internal successors, (443), 14 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:40,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 136.0) internal successors, (2040), 15 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:40,561 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 136.0) internal successors, (2040), 15 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:40,561 INFO L185 Difference]: Start difference. First operand has 454 places, 534 transitions, 11077 flow. Second operand 14 states and 443 transitions. [2021-03-26 07:54:40,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 545 transitions, 12291 flow [2021-03-26 07:54:40,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 545 transitions, 11910 flow, removed 6 selfloop flow, removed 14 redundant places. [2021-03-26 07:54:40,914 INFO L241 Difference]: Finished difference. Result has 457 places, 532 transitions, 10797 flow [2021-03-26 07:54:40,915 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=10698, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=534, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=477, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=10797, PETRI_PLACES=457, PETRI_TRANSITIONS=532} [2021-03-26 07:54:40,915 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 418 predicate places. [2021-03-26 07:54:40,915 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:40,915 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 457 places, 532 transitions, 10797 flow [2021-03-26 07:54:40,915 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 457 places, 532 transitions, 10797 flow [2021-03-26 07:54:40,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 454 places, 532 transitions, 10797 flow [2021-03-26 07:54:41,087 INFO L129 PetriNetUnfolder]: 431/980 cut-off events. [2021-03-26 07:54:41,088 INFO L130 PetriNetUnfolder]: For 50660/50831 co-relation queries the response was YES. [2021-03-26 07:54:41,099 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12244 conditions, 980 events. 431/980 cut-off events. For 50660/50831 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 6791 event pairs, 30 based on Foata normal form. 13/957 useless extension candidates. Maximal degree in co-relation 12081. Up to 366 conditions per place. [2021-03-26 07:54:41,110 INFO L142 LiptonReduction]: Number of co-enabled transitions 572 [2021-03-26 07:54:41,141 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:41,141 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:41,141 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 226 [2021-03-26 07:54:41,141 INFO L480 AbstractCegarLoop]: Abstraction has has 454 places, 532 transitions, 10797 flow [2021-03-26 07:54:41,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:41,141 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:41,141 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:41,141 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2021-03-26 07:54:41,141 INFO L428 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:41,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:41,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1732524361, now seen corresponding path program 2 times [2021-03-26 07:54:41,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:41,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809090822] [2021-03-26 07:54:41,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:41,149 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:41,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:41,153 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:41,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:41,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:41,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:41,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:41,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:41,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:41,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:41,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:41,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:41,206 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 07:54:41,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:41,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:41,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:54:41,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:41,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:54:41,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:41,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:41,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:41,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809090822] [2021-03-26 07:54:41,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:41,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:54:41,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864894094] [2021-03-26 07:54:41,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:54:41,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:41,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:54:41,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:54:41,253 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-26 07:54:41,253 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 532 transitions, 10797 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:41,253 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:41,253 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-26 07:54:41,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:42,191 INFO L129 PetriNetUnfolder]: 674/1338 cut-off events. [2021-03-26 07:54:42,191 INFO L130 PetriNetUnfolder]: For 76388/76405 co-relation queries the response was YES. [2021-03-26 07:54:42,206 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17579 conditions, 1338 events. 674/1338 cut-off events. For 76388/76405 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 8489 event pairs, 88 based on Foata normal form. 14/1351 useless extension candidates. Maximal degree in co-relation 17413. Up to 1098 conditions per place. [2021-03-26 07:54:42,213 INFO L132 encePairwiseOnDemand]: 113/136 looper letters, 401 selfloop transitions, 137 changer transitions 4/550 dead transitions. [2021-03-26 07:54:42,214 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 470 places, 550 transitions, 12222 flow [2021-03-26 07:54:42,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 07:54:42,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 07:54:42,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 539 transitions. [2021-03-26 07:54:42,215 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23313148788927335 [2021-03-26 07:54:42,215 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 539 transitions. [2021-03-26 07:54:42,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 539 transitions. [2021-03-26 07:54:42,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:42,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 539 transitions. [2021-03-26 07:54:42,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 31.705882352941178) internal successors, (539), 17 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:42,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 136.0) internal successors, (2448), 18 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:42,216 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 136.0) internal successors, (2448), 18 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:42,216 INFO L185 Difference]: Start difference. First operand has 454 places, 532 transitions, 10797 flow. Second operand 17 states and 539 transitions. [2021-03-26 07:54:42,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 470 places, 550 transitions, 12222 flow [2021-03-26 07:54:42,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 550 transitions, 12086 flow, removed 4 selfloop flow, removed 16 redundant places. [2021-03-26 07:54:42,602 INFO L241 Difference]: Finished difference. Result has 456 places, 529 transitions, 10861 flow [2021-03-26 07:54:42,603 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=10661, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=137, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=10861, PETRI_PLACES=456, PETRI_TRANSITIONS=529} [2021-03-26 07:54:42,603 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 417 predicate places. [2021-03-26 07:54:42,603 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:42,603 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 456 places, 529 transitions, 10861 flow [2021-03-26 07:54:42,603 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 456 places, 529 transitions, 10861 flow [2021-03-26 07:54:42,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 450 places, 529 transitions, 10861 flow [2021-03-26 07:54:42,778 INFO L129 PetriNetUnfolder]: 437/990 cut-off events. [2021-03-26 07:54:42,778 INFO L130 PetriNetUnfolder]: For 51523/51665 co-relation queries the response was YES. [2021-03-26 07:54:42,789 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12470 conditions, 990 events. 437/990 cut-off events. For 51523/51665 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 6849 event pairs, 21 based on Foata normal form. 17/970 useless extension candidates. Maximal degree in co-relation 12309. Up to 377 conditions per place. [2021-03-26 07:54:42,800 INFO L142 LiptonReduction]: Number of co-enabled transitions 572 [2021-03-26 07:54:42,831 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:42,831 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:42,831 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 228 [2021-03-26 07:54:42,831 INFO L480 AbstractCegarLoop]: Abstraction has has 450 places, 529 transitions, 10861 flow [2021-03-26 07:54:42,832 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:42,832 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:42,832 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:42,832 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2021-03-26 07:54:42,832 INFO L428 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:42,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:42,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1371331560, now seen corresponding path program 1 times [2021-03-26 07:54:42,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:42,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81316531] [2021-03-26 07:54:42,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:42,839 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:42,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:42,844 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:42,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:42,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:42,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:42,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:42,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:42,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:42,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:42,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:42,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:42,892 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 07:54:42,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:54:42,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:42,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:54:42,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:42,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:54:42,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:42,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:42,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:42,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81316531] [2021-03-26 07:54:42,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:42,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:54:42,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715678068] [2021-03-26 07:54:42,932 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:54:42,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:42,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:54:42,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:54:42,932 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-26 07:54:42,933 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 529 transitions, 10861 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:42,933 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:42,933 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-26 07:54:42,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:43,768 INFO L129 PetriNetUnfolder]: 674/1335 cut-off events. [2021-03-26 07:54:43,768 INFO L130 PetriNetUnfolder]: For 77418/77435 co-relation queries the response was YES. [2021-03-26 07:54:43,784 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17618 conditions, 1335 events. 674/1335 cut-off events. For 77418/77435 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 8471 event pairs, 75 based on Foata normal form. 14/1348 useless extension candidates. Maximal degree in co-relation 17457. Up to 1034 conditions per place. [2021-03-26 07:54:43,790 INFO L132 encePairwiseOnDemand]: 110/136 looper letters, 349 selfloop transitions, 190 changer transitions 3/550 dead transitions. [2021-03-26 07:54:43,790 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 550 transitions, 12315 flow [2021-03-26 07:54:43,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:54:43,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:54:43,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 468 transitions. [2021-03-26 07:54:43,792 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24579831932773108 [2021-03-26 07:54:43,792 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 468 transitions. [2021-03-26 07:54:43,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 468 transitions. [2021-03-26 07:54:43,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:43,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 468 transitions. [2021-03-26 07:54:43,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 33.42857142857143) internal successors, (468), 14 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:43,793 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 136.0) internal successors, (2040), 15 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:43,793 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 136.0) internal successors, (2040), 15 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:43,793 INFO L185 Difference]: Start difference. First operand has 450 places, 529 transitions, 10861 flow. Second operand 14 states and 468 transitions. [2021-03-26 07:54:43,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 550 transitions, 12315 flow [2021-03-26 07:54:44,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 450 places, 550 transitions, 12042 flow, removed 2 selfloop flow, removed 13 redundant places. [2021-03-26 07:54:44,180 INFO L241 Difference]: Finished difference. Result has 451 places, 526 transitions, 10962 flow [2021-03-26 07:54:44,180 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=10588, PETRI_DIFFERENCE_MINUEND_PLACES=437, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=529, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=190, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=10962, PETRI_PLACES=451, PETRI_TRANSITIONS=526} [2021-03-26 07:54:44,180 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 412 predicate places. [2021-03-26 07:54:44,180 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:44,180 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 451 places, 526 transitions, 10962 flow [2021-03-26 07:54:44,181 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 451 places, 526 transitions, 10962 flow [2021-03-26 07:54:44,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 448 places, 526 transitions, 10962 flow [2021-03-26 07:54:44,353 INFO L129 PetriNetUnfolder]: 432/977 cut-off events. [2021-03-26 07:54:44,353 INFO L130 PetriNetUnfolder]: For 52880/52978 co-relation queries the response was YES. [2021-03-26 07:54:44,364 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12524 conditions, 977 events. 432/977 cut-off events. For 52880/52978 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 6737 event pairs, 24 based on Foata normal form. 16/957 useless extension candidates. Maximal degree in co-relation 12353. Up to 373 conditions per place. [2021-03-26 07:54:44,375 INFO L142 LiptonReduction]: Number of co-enabled transitions 570 [2021-03-26 07:54:44,406 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:44,407 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:44,407 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 227 [2021-03-26 07:54:44,407 INFO L480 AbstractCegarLoop]: Abstraction has has 448 places, 526 transitions, 10962 flow [2021-03-26 07:54:44,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:44,407 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:44,407 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:44,407 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-03-26 07:54:44,407 INFO L428 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:44,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:44,407 INFO L82 PathProgramCache]: Analyzing trace with hash -799387579, now seen corresponding path program 8 times [2021-03-26 07:54:44,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:44,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283840974] [2021-03-26 07:54:44,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:44,415 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:44,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:44,419 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:44,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:44,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:44,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:44,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:44,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:44,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:44,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:44,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:44,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:44,472 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 07:54:44,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:54:44,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:44,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:54:44,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:44,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:54:44,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:44,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:44,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:44,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:44,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:44,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283840974] [2021-03-26 07:54:44,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:44,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:54:44,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699696411] [2021-03-26 07:54:44,521 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:54:44,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:44,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:54:44,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:54:44,522 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-26 07:54:44,522 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 526 transitions, 10962 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:44,522 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:44,522 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-26 07:54:44,522 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:45,293 INFO L129 PetriNetUnfolder]: 673/1324 cut-off events. [2021-03-26 07:54:45,293 INFO L130 PetriNetUnfolder]: For 78073/78090 co-relation queries the response was YES. [2021-03-26 07:54:45,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17724 conditions, 1324 events. 673/1324 cut-off events. For 78073/78090 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 8327 event pairs, 171 based on Foata normal form. 11/1334 useless extension candidates. Maximal degree in co-relation 17550. Up to 1208 conditions per place. [2021-03-26 07:54:45,315 INFO L132 encePairwiseOnDemand]: 120/136 looper letters, 477 selfloop transitions, 46 changer transitions 3/534 dead transitions. [2021-03-26 07:54:45,315 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 534 transitions, 12153 flow [2021-03-26 07:54:45,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:54:45,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:54:45,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 408 transitions. [2021-03-26 07:54:45,316 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23076923076923078 [2021-03-26 07:54:45,316 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 408 transitions. [2021-03-26 07:54:45,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 408 transitions. [2021-03-26 07:54:45,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:45,316 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 408 transitions. [2021-03-26 07:54:45,317 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.384615384615383) internal successors, (408), 13 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:45,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 136.0) internal successors, (1904), 14 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:45,317 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 136.0) internal successors, (1904), 14 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:45,318 INFO L185 Difference]: Start difference. First operand has 448 places, 526 transitions, 10962 flow. Second operand 13 states and 408 transitions. [2021-03-26 07:54:45,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 534 transitions, 12153 flow [2021-03-26 07:54:45,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 534 transitions, 11691 flow, removed 9 selfloop flow, removed 16 redundant places. [2021-03-26 07:54:45,693 INFO L241 Difference]: Finished difference. Result has 446 places, 525 transitions, 10599 flow [2021-03-26 07:54:45,693 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=10504, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=10599, PETRI_PLACES=446, PETRI_TRANSITIONS=525} [2021-03-26 07:54:45,693 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 407 predicate places. [2021-03-26 07:54:45,693 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:45,693 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 446 places, 525 transitions, 10599 flow [2021-03-26 07:54:45,694 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 446 places, 525 transitions, 10599 flow [2021-03-26 07:54:45,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 444 places, 525 transitions, 10599 flow [2021-03-26 07:54:45,864 INFO L129 PetriNetUnfolder]: 436/969 cut-off events. [2021-03-26 07:54:45,864 INFO L130 PetriNetUnfolder]: For 51890/52012 co-relation queries the response was YES. [2021-03-26 07:54:45,875 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12185 conditions, 969 events. 436/969 cut-off events. For 51890/52012 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 6651 event pairs, 31 based on Foata normal form. 16/949 useless extension candidates. Maximal degree in co-relation 12028. Up to 374 conditions per place. [2021-03-26 07:54:45,886 INFO L142 LiptonReduction]: Number of co-enabled transitions 570 [2021-03-26 07:54:45,916 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:45,916 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:45,917 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 224 [2021-03-26 07:54:45,917 INFO L480 AbstractCegarLoop]: Abstraction has has 444 places, 525 transitions, 10599 flow [2021-03-26 07:54:45,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:45,917 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:45,917 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:45,917 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2021-03-26 07:54:45,917 INFO L428 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:45,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:45,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1698455038, now seen corresponding path program 4 times [2021-03-26 07:54:45,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:45,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692606966] [2021-03-26 07:54:45,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:45,925 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:45,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:45,930 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:45,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:45,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:45,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:45,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:45,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:45,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:45,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:45,971 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:54:45,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:54:45,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:45,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:46,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:46,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:46,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:46,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:46,041 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:54:46,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:46,058 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:54:46,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:46,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:46,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692606966] [2021-03-26 07:54:46,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:46,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:54:46,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513297371] [2021-03-26 07:54:46,061 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:54:46,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:46,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:54:46,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:54:46,062 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-26 07:54:46,062 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 444 places, 525 transitions, 10599 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:46,062 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:46,062 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-26 07:54:46,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:47,026 INFO L129 PetriNetUnfolder]: 673/1326 cut-off events. [2021-03-26 07:54:47,027 INFO L130 PetriNetUnfolder]: For 76146/76170 co-relation queries the response was YES. [2021-03-26 07:54:47,042 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17397 conditions, 1326 events. 673/1326 cut-off events. For 76146/76170 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 8357 event pairs, 134 based on Foata normal form. 21/1346 useless extension candidates. Maximal degree in co-relation 17238. Up to 1131 conditions per place. [2021-03-26 07:54:47,050 INFO L132 encePairwiseOnDemand]: 115/136 looper letters, 448 selfloop transitions, 95 changer transitions 2/553 dead transitions. [2021-03-26 07:54:47,050 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 458 places, 553 transitions, 12365 flow [2021-03-26 07:54:47,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:54:47,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:54:47,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 485 transitions. [2021-03-26 07:54:47,051 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23774509803921567 [2021-03-26 07:54:47,051 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 485 transitions. [2021-03-26 07:54:47,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 485 transitions. [2021-03-26 07:54:47,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:47,051 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 485 transitions. [2021-03-26 07:54:47,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.333333333333336) internal successors, (485), 15 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:47,053 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 136.0) internal successors, (2176), 16 states have internal predecessors, (2176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:47,053 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 136.0) internal successors, (2176), 16 states have internal predecessors, (2176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:47,053 INFO L185 Difference]: Start difference. First operand has 444 places, 525 transitions, 10599 flow. Second operand 15 states and 485 transitions. [2021-03-26 07:54:47,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 458 places, 553 transitions, 12365 flow [2021-03-26 07:54:47,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 553 transitions, 12267 flow, removed 3 selfloop flow, removed 11 redundant places. [2021-03-26 07:54:47,458 INFO L241 Difference]: Finished difference. Result has 450 places, 527 transitions, 10776 flow [2021-03-26 07:54:47,459 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=10501, PETRI_DIFFERENCE_MINUEND_PLACES=433, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=525, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=431, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=10776, PETRI_PLACES=450, PETRI_TRANSITIONS=527} [2021-03-26 07:54:47,459 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 411 predicate places. [2021-03-26 07:54:47,459 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:47,459 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 450 places, 527 transitions, 10776 flow [2021-03-26 07:54:47,459 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 450 places, 527 transitions, 10776 flow [2021-03-26 07:54:47,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 449 places, 527 transitions, 10776 flow [2021-03-26 07:54:47,643 INFO L129 PetriNetUnfolder]: 441/975 cut-off events. [2021-03-26 07:54:47,644 INFO L130 PetriNetUnfolder]: For 55514/55670 co-relation queries the response was YES. [2021-03-26 07:54:47,655 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12490 conditions, 975 events. 441/975 cut-off events. For 55514/55670 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 6650 event pairs, 34 based on Foata normal form. 15/947 useless extension candidates. Maximal degree in co-relation 12315. Up to 381 conditions per place. [2021-03-26 07:54:47,667 INFO L142 LiptonReduction]: Number of co-enabled transitions 570 [2021-03-26 07:54:47,698 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:47,698 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:47,698 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 239 [2021-03-26 07:54:47,698 INFO L480 AbstractCegarLoop]: Abstraction has has 449 places, 527 transitions, 10776 flow [2021-03-26 07:54:47,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:47,699 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:47,699 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:47,699 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2021-03-26 07:54:47,699 INFO L428 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:47,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:47,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1667492845, now seen corresponding path program 2 times [2021-03-26 07:54:47,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:47,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817653640] [2021-03-26 07:54:47,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:47,706 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:47,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:47,711 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:47,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:47,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:47,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:47,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:47,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:47,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:47,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:47,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:47,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:47,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:47,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:47,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:47,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:47,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:47,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:47,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:47,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:54:47,823 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:54:47,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:47,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:47,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817653640] [2021-03-26 07:54:47,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:47,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:54:47,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167720629] [2021-03-26 07:54:47,827 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:54:47,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:47,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:54:47,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:54:47,828 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-26 07:54:47,828 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 527 transitions, 10776 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:47,828 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:47,828 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-26 07:54:47,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:48,624 INFO L129 PetriNetUnfolder]: 672/1324 cut-off events. [2021-03-26 07:54:48,624 INFO L130 PetriNetUnfolder]: For 80370/80386 co-relation queries the response was YES. [2021-03-26 07:54:48,640 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17601 conditions, 1324 events. 672/1324 cut-off events. For 80370/80386 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 8323 event pairs, 174 based on Foata normal form. 10/1332 useless extension candidates. Maximal degree in co-relation 17422. Up to 1176 conditions per place. [2021-03-26 07:54:48,646 INFO L132 encePairwiseOnDemand]: 118/136 looper letters, 474 selfloop transitions, 59 changer transitions 3/544 dead transitions. [2021-03-26 07:54:48,647 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 544 transitions, 12233 flow [2021-03-26 07:54:48,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:54:48,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:54:48,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 442 transitions. [2021-03-26 07:54:48,648 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23214285714285715 [2021-03-26 07:54:48,648 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 442 transitions. [2021-03-26 07:54:48,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 442 transitions. [2021-03-26 07:54:48,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:48,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 442 transitions. [2021-03-26 07:54:48,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.571428571428573) internal successors, (442), 14 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:48,649 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 136.0) internal successors, (2040), 15 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:48,649 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 136.0) internal successors, (2040), 15 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:48,649 INFO L185 Difference]: Start difference. First operand has 449 places, 527 transitions, 10776 flow. Second operand 14 states and 442 transitions. [2021-03-26 07:54:48,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 544 transitions, 12233 flow [2021-03-26 07:54:49,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 544 transitions, 11911 flow, removed 37 selfloop flow, removed 15 redundant places. [2021-03-26 07:54:49,027 INFO L241 Difference]: Finished difference. Result has 449 places, 526 transitions, 10565 flow [2021-03-26 07:54:49,028 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=10454, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=527, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=10565, PETRI_PLACES=449, PETRI_TRANSITIONS=526} [2021-03-26 07:54:49,028 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 410 predicate places. [2021-03-26 07:54:49,028 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:49,028 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 449 places, 526 transitions, 10565 flow [2021-03-26 07:54:49,028 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 449 places, 526 transitions, 10565 flow [2021-03-26 07:54:49,032 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 447 places, 526 transitions, 10565 flow [2021-03-26 07:54:49,246 INFO L129 PetriNetUnfolder]: 431/964 cut-off events. [2021-03-26 07:54:49,246 INFO L130 PetriNetUnfolder]: For 53726/53840 co-relation queries the response was YES. [2021-03-26 07:54:49,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12149 conditions, 964 events. 431/964 cut-off events. For 53726/53840 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 6625 event pairs, 30 based on Foata normal form. 18/944 useless extension candidates. Maximal degree in co-relation 11992. Up to 370 conditions per place. [2021-03-26 07:54:49,265 INFO L142 LiptonReduction]: Number of co-enabled transitions 570 [2021-03-26 07:54:49,294 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:49,294 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:49,294 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 266 [2021-03-26 07:54:49,294 INFO L480 AbstractCegarLoop]: Abstraction has has 447 places, 526 transitions, 10565 flow [2021-03-26 07:54:49,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:49,295 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:49,295 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:49,295 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2021-03-26 07:54:49,295 INFO L428 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:49,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:49,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1572009071, now seen corresponding path program 9 times [2021-03-26 07:54:49,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:49,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355217584] [2021-03-26 07:54:49,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:49,320 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:49,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:49,325 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:49,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:49,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:49,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:49,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:49,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:49,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:49,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:49,365 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 07:54:49,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:54:49,384 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 07:54:49,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:54:49,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:49,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:54:49,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:49,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:54:49,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:49,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:49,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:49,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:49,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:49,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355217584] [2021-03-26 07:54:49,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:49,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:54:49,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115225172] [2021-03-26 07:54:49,445 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:54:49,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:49,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:54:49,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:54:49,446 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-26 07:54:49,446 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 526 transitions, 10565 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:49,446 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:49,446 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-26 07:54:49,446 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:50,342 INFO L129 PetriNetUnfolder]: 670/1329 cut-off events. [2021-03-26 07:54:50,342 INFO L130 PetriNetUnfolder]: For 81199/81223 co-relation queries the response was YES. [2021-03-26 07:54:50,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17452 conditions, 1329 events. 670/1329 cut-off events. For 81199/81223 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 8391 event pairs, 160 based on Foata normal form. 18/1346 useless extension candidates. Maximal degree in co-relation 17290. Up to 1191 conditions per place. [2021-03-26 07:54:50,363 INFO L132 encePairwiseOnDemand]: 120/136 looper letters, 467 selfloop transitions, 58 changer transitions 7/540 dead transitions. [2021-03-26 07:54:50,363 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 540 transitions, 11858 flow [2021-03-26 07:54:50,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 07:54:50,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 07:54:50,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 550 transitions. [2021-03-26 07:54:50,365 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2246732026143791 [2021-03-26 07:54:50,365 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 550 transitions. [2021-03-26 07:54:50,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 550 transitions. [2021-03-26 07:54:50,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:50,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 550 transitions. [2021-03-26 07:54:50,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 30.555555555555557) internal successors, (550), 18 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:50,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 136.0) internal successors, (2584), 19 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:50,366 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 136.0) internal successors, (2584), 19 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:50,366 INFO L185 Difference]: Start difference. First operand has 447 places, 526 transitions, 10565 flow. Second operand 18 states and 550 transitions. [2021-03-26 07:54:50,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 540 transitions, 11858 flow [2021-03-26 07:54:50,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 540 transitions, 11740 flow, removed 10 selfloop flow, removed 12 redundant places. [2021-03-26 07:54:50,748 INFO L241 Difference]: Finished difference. Result has 455 places, 523 transitions, 10571 flow [2021-03-26 07:54:50,748 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=10453, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=469, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=10571, PETRI_PLACES=455, PETRI_TRANSITIONS=523} [2021-03-26 07:54:50,748 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 416 predicate places. [2021-03-26 07:54:50,748 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:50,748 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 455 places, 523 transitions, 10571 flow [2021-03-26 07:54:50,749 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 455 places, 523 transitions, 10571 flow [2021-03-26 07:54:50,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 451 places, 523 transitions, 10571 flow [2021-03-26 07:54:50,922 INFO L129 PetriNetUnfolder]: 433/973 cut-off events. [2021-03-26 07:54:50,922 INFO L130 PetriNetUnfolder]: For 54012/54135 co-relation queries the response was YES. [2021-03-26 07:54:50,933 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12203 conditions, 973 events. 433/973 cut-off events. For 54012/54135 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 6682 event pairs, 23 based on Foata normal form. 15/951 useless extension candidates. Maximal degree in co-relation 12043. Up to 377 conditions per place. [2021-03-26 07:54:50,944 INFO L142 LiptonReduction]: Number of co-enabled transitions 572 [2021-03-26 07:54:51,036 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:51,036 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:54:51,037 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 289 [2021-03-26 07:54:51,038 INFO L480 AbstractCegarLoop]: Abstraction has has 451 places, 523 transitions, 10581 flow [2021-03-26 07:54:51,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:51,038 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:51,038 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:51,038 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2021-03-26 07:54:51,039 INFO L428 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:51,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:51,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1083419364, now seen corresponding path program 5 times [2021-03-26 07:54:51,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:51,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682885967] [2021-03-26 07:54:51,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:51,047 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:51,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:51,052 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:51,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:51,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:51,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:51,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:51,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:51,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:51,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:51,093 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:54:51,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:54:51,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:51,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:51,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:51,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:51,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:51,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:51,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:51,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:54:51,182 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:54:51,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:51,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:51,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682885967] [2021-03-26 07:54:51,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:51,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:54:51,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626404858] [2021-03-26 07:54:51,186 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:54:51,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:51,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:54:51,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:54:51,187 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 137 [2021-03-26 07:54:51,187 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 523 transitions, 10581 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:51,187 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:51,187 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 137 [2021-03-26 07:54:51,187 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:52,188 INFO L129 PetriNetUnfolder]: 668/1324 cut-off events. [2021-03-26 07:54:52,188 INFO L130 PetriNetUnfolder]: For 81223/81227 co-relation queries the response was YES. [2021-03-26 07:54:52,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17439 conditions, 1324 events. 668/1324 cut-off events. For 81223/81227 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 8339 event pairs, 175 based on Foata normal form. 5/1328 useless extension candidates. Maximal degree in co-relation 17276. Up to 1140 conditions per place. [2021-03-26 07:54:52,210 INFO L132 encePairwiseOnDemand]: 116/137 looper letters, 456 selfloop transitions, 88 changer transitions 3/555 dead transitions. [2021-03-26 07:54:52,210 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 555 transitions, 12525 flow [2021-03-26 07:54:52,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:54:52,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:54:52,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 508 transitions. [2021-03-26 07:54:52,211 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23175182481751824 [2021-03-26 07:54:52,211 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 508 transitions. [2021-03-26 07:54:52,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 508 transitions. [2021-03-26 07:54:52,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:52,212 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 508 transitions. [2021-03-26 07:54:52,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.75) internal successors, (508), 16 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:52,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 137.0) internal successors, (2329), 17 states have internal predecessors, (2329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:52,213 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 137.0) internal successors, (2329), 17 states have internal predecessors, (2329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:52,213 INFO L185 Difference]: Start difference. First operand has 451 places, 523 transitions, 10581 flow. Second operand 16 states and 508 transitions. [2021-03-26 07:54:52,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 555 transitions, 12525 flow [2021-03-26 07:54:52,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 450 places, 555 transitions, 12276 flow, removed 40 selfloop flow, removed 16 redundant places. [2021-03-26 07:54:52,592 INFO L241 Difference]: Finished difference. Result has 453 places, 527 transitions, 10607 flow [2021-03-26 07:54:52,592 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=10332, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=523, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=10607, PETRI_PLACES=453, PETRI_TRANSITIONS=527} [2021-03-26 07:54:52,592 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 414 predicate places. [2021-03-26 07:54:52,592 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:52,592 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 453 places, 527 transitions, 10607 flow [2021-03-26 07:54:52,592 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 453 places, 527 transitions, 10607 flow [2021-03-26 07:54:52,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 451 places, 527 transitions, 10607 flow [2021-03-26 07:54:52,760 INFO L129 PetriNetUnfolder]: 427/968 cut-off events. [2021-03-26 07:54:52,761 INFO L130 PetriNetUnfolder]: For 54211/54333 co-relation queries the response was YES. [2021-03-26 07:54:52,771 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12131 conditions, 968 events. 427/968 cut-off events. For 54211/54333 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 6657 event pairs, 33 based on Foata normal form. 16/947 useless extension candidates. Maximal degree in co-relation 11973. Up to 368 conditions per place. [2021-03-26 07:54:52,783 INFO L142 LiptonReduction]: Number of co-enabled transitions 572 [2021-03-26 07:54:52,813 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:52,813 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:52,813 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 221 [2021-03-26 07:54:52,814 INFO L480 AbstractCegarLoop]: Abstraction has has 451 places, 527 transitions, 10607 flow [2021-03-26 07:54:52,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:52,814 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:52,814 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:52,814 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2021-03-26 07:54:52,814 INFO L428 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:52,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:52,814 INFO L82 PathProgramCache]: Analyzing trace with hash -237086087, now seen corresponding path program 1 times [2021-03-26 07:54:52,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:52,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69469216] [2021-03-26 07:54:52,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:52,821 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:52,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:52,826 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:52,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:52,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:52,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:52,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:52,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:52,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:52,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:52,863 INFO L142 QuantifierPusher]: treesize reduction 27, result has 47.1 percent of original size [2021-03-26 07:54:52,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 07:54:52,883 INFO L142 QuantifierPusher]: treesize reduction 27, result has 47.1 percent of original size [2021-03-26 07:54:52,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 07:54:52,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:52,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:54:52,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:52,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:54:52,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:52,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:52,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:52,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69469216] [2021-03-26 07:54:52,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:52,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:54:52,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846370251] [2021-03-26 07:54:52,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:54:52,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:52,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:54:52,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:54:52,933 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 137 [2021-03-26 07:54:52,934 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 527 transitions, 10607 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:52,934 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:52,934 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 137 [2021-03-26 07:54:52,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:53,918 INFO L129 PetriNetUnfolder]: 667/1322 cut-off events. [2021-03-26 07:54:53,918 INFO L130 PetriNetUnfolder]: For 83316/83320 co-relation queries the response was YES. [2021-03-26 07:54:53,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17462 conditions, 1322 events. 667/1322 cut-off events. For 83316/83320 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 8363 event pairs, 83 based on Foata normal form. 5/1326 useless extension candidates. Maximal degree in co-relation 17301. Up to 1019 conditions per place. [2021-03-26 07:54:53,938 INFO L132 encePairwiseOnDemand]: 111/137 looper letters, 345 selfloop transitions, 196 changer transitions 3/552 dead transitions. [2021-03-26 07:54:53,938 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 552 transitions, 12141 flow [2021-03-26 07:54:53,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 07:54:53,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 07:54:53,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 555 transitions. [2021-03-26 07:54:53,939 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23829969944182053 [2021-03-26 07:54:53,939 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 555 transitions. [2021-03-26 07:54:53,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 555 transitions. [2021-03-26 07:54:53,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:53,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 555 transitions. [2021-03-26 07:54:53,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.64705882352941) internal successors, (555), 17 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:53,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 137.0) internal successors, (2466), 18 states have internal predecessors, (2466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:53,941 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 137.0) internal successors, (2466), 18 states have internal predecessors, (2466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:53,941 INFO L185 Difference]: Start difference. First operand has 451 places, 527 transitions, 10607 flow. Second operand 17 states and 555 transitions. [2021-03-26 07:54:53,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 552 transitions, 12141 flow [2021-03-26 07:54:54,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 552 transitions, 11962 flow, removed 12 selfloop flow, removed 13 redundant places. [2021-03-26 07:54:54,331 INFO L241 Difference]: Finished difference. Result has 455 places, 526 transitions, 10874 flow [2021-03-26 07:54:54,331 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=10438, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=527, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=195, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=10874, PETRI_PLACES=455, PETRI_TRANSITIONS=526} [2021-03-26 07:54:54,331 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 416 predicate places. [2021-03-26 07:54:54,331 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:54,331 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 455 places, 526 transitions, 10874 flow [2021-03-26 07:54:54,331 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 455 places, 526 transitions, 10874 flow [2021-03-26 07:54:54,335 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 454 places, 526 transitions, 10874 flow [2021-03-26 07:54:54,506 INFO L129 PetriNetUnfolder]: 430/976 cut-off events. [2021-03-26 07:54:54,506 INFO L130 PetriNetUnfolder]: For 55243/55353 co-relation queries the response was YES. [2021-03-26 07:54:54,517 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12491 conditions, 976 events. 430/976 cut-off events. For 55243/55353 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 6687 event pairs, 25 based on Foata normal form. 18/959 useless extension candidates. Maximal degree in co-relation 12317. Up to 376 conditions per place. [2021-03-26 07:54:54,528 INFO L142 LiptonReduction]: Number of co-enabled transitions 572 [2021-03-26 07:54:54,558 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:54,558 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:54,559 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 228 [2021-03-26 07:54:54,559 INFO L480 AbstractCegarLoop]: Abstraction has has 454 places, 526 transitions, 10874 flow [2021-03-26 07:54:54,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:54,559 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:54,559 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:54,559 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2021-03-26 07:54:54,559 INFO L428 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:54,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:54,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1507135832, now seen corresponding path program 6 times [2021-03-26 07:54:54,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:54,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691449196] [2021-03-26 07:54:54,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:54,567 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:54,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:54,572 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:54,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:54,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:54,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:54,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:54,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:54,600 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:54:54,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:54:54,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:54,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:54,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:54,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:54,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:54,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:54,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:54,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:54,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:54,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:54:54,700 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:54:54,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:54,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:54,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691449196] [2021-03-26 07:54:54,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:54,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:54:54,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535045912] [2021-03-26 07:54:54,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:54:54,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:54,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:54:54,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:54:54,704 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 137 [2021-03-26 07:54:54,704 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 526 transitions, 10874 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:54,704 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:54,704 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 137 [2021-03-26 07:54:54,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:55,597 INFO L129 PetriNetUnfolder]: 666/1322 cut-off events. [2021-03-26 07:54:55,597 INFO L130 PetriNetUnfolder]: For 80665/80691 co-relation queries the response was YES. [2021-03-26 07:54:55,612 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17611 conditions, 1322 events. 666/1322 cut-off events. For 80665/80691 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 8373 event pairs, 133 based on Foata normal form. 19/1340 useless extension candidates. Maximal degree in co-relation 17432. Up to 1104 conditions per place. [2021-03-26 07:54:55,618 INFO L132 encePairwiseOnDemand]: 115/137 looper letters, 393 selfloop transitions, 137 changer transitions 3/541 dead transitions. [2021-03-26 07:54:55,619 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 541 transitions, 12195 flow [2021-03-26 07:54:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:54:55,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:54:55,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 514 transitions. [2021-03-26 07:54:55,620 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23448905109489052 [2021-03-26 07:54:55,620 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 514 transitions. [2021-03-26 07:54:55,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 514 transitions. [2021-03-26 07:54:55,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:55,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 514 transitions. [2021-03-26 07:54:55,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.125) internal successors, (514), 16 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:55,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 137.0) internal successors, (2329), 17 states have internal predecessors, (2329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:55,621 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 137.0) internal successors, (2329), 17 states have internal predecessors, (2329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:55,621 INFO L185 Difference]: Start difference. First operand has 454 places, 526 transitions, 10874 flow. Second operand 16 states and 514 transitions. [2021-03-26 07:54:55,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 541 transitions, 12195 flow [2021-03-26 07:54:55,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 457 places, 541 transitions, 11818 flow, removed 9 selfloop flow, removed 12 redundant places. [2021-03-26 07:54:55,992 INFO L241 Difference]: Finished difference. Result has 459 places, 526 transitions, 10775 flow [2021-03-26 07:54:55,992 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=10503, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=10775, PETRI_PLACES=459, PETRI_TRANSITIONS=526} [2021-03-26 07:54:55,992 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 420 predicate places. [2021-03-26 07:54:55,992 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:55,992 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 459 places, 526 transitions, 10775 flow [2021-03-26 07:54:55,992 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 459 places, 526 transitions, 10775 flow [2021-03-26 07:54:55,996 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 457 places, 526 transitions, 10775 flow [2021-03-26 07:54:56,142 INFO L129 PetriNetUnfolder]: 427/966 cut-off events. [2021-03-26 07:54:56,142 INFO L130 PetriNetUnfolder]: For 53425/53550 co-relation queries the response was YES. [2021-03-26 07:54:56,152 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12166 conditions, 966 events. 427/966 cut-off events. For 53425/53550 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 6686 event pairs, 28 based on Foata normal form. 14/944 useless extension candidates. Maximal degree in co-relation 12009. Up to 364 conditions per place. [2021-03-26 07:54:56,163 INFO L142 LiptonReduction]: Number of co-enabled transitions 572 [2021-03-26 07:54:56,192 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:56,192 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:56,192 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 200 [2021-03-26 07:54:56,193 INFO L480 AbstractCegarLoop]: Abstraction has has 457 places, 526 transitions, 10775 flow [2021-03-26 07:54:56,193 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:56,193 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:56,193 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:56,193 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2021-03-26 07:54:56,193 INFO L428 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:56,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:56,193 INFO L82 PathProgramCache]: Analyzing trace with hash 269638722, now seen corresponding path program 7 times [2021-03-26 07:54:56,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:56,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222727751] [2021-03-26 07:54:56,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:56,200 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:56,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:56,205 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:56,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:56,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:56,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:56,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:56,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:56,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:56,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:56,240 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:54:56,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:54:56,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:56,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:56,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:56,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:56,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:56,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:56,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:56,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:54:56,319 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:54:56,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:56,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:56,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222727751] [2021-03-26 07:54:56,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:56,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:54:56,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092682925] [2021-03-26 07:54:56,322 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:54:56,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:56,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:54:56,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:54:56,323 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 137 [2021-03-26 07:54:56,323 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 526 transitions, 10775 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:56,323 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:56,323 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 137 [2021-03-26 07:54:56,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:57,080 INFO L129 PetriNetUnfolder]: 665/1322 cut-off events. [2021-03-26 07:54:57,080 INFO L130 PetriNetUnfolder]: For 81349/81373 co-relation queries the response was YES. [2021-03-26 07:54:57,093 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17455 conditions, 1322 events. 665/1322 cut-off events. For 81349/81373 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 8371 event pairs, 158 based on Foata normal form. 18/1339 useless extension candidates. Maximal degree in co-relation 17295. Up to 1151 conditions per place. [2021-03-26 07:54:57,100 INFO L132 encePairwiseOnDemand]: 117/137 looper letters, 460 selfloop transitions, 80 changer transitions 2/550 dead transitions. [2021-03-26 07:54:57,100 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 471 places, 550 transitions, 12499 flow [2021-03-26 07:54:57,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:54:57,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:54:57,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 478 transitions. [2021-03-26 07:54:57,101 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23260340632603407 [2021-03-26 07:54:57,101 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 478 transitions. [2021-03-26 07:54:57,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 478 transitions. [2021-03-26 07:54:57,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:57,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 478 transitions. [2021-03-26 07:54:57,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.866666666666667) internal successors, (478), 15 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:57,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 137.0) internal successors, (2192), 16 states have internal predecessors, (2192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:57,102 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 137.0) internal successors, (2192), 16 states have internal predecessors, (2192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:57,102 INFO L185 Difference]: Start difference. First operand has 457 places, 526 transitions, 10775 flow. Second operand 15 states and 478 transitions. [2021-03-26 07:54:57,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 471 places, 550 transitions, 12499 flow [2021-03-26 07:54:57,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 457 places, 550 transitions, 12200 flow, removed 8 selfloop flow, removed 14 redundant places. [2021-03-26 07:54:57,486 INFO L241 Difference]: Finished difference. Result has 460 places, 527 transitions, 10675 flow [2021-03-26 07:54:57,486 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=10490, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=10675, PETRI_PLACES=460, PETRI_TRANSITIONS=527} [2021-03-26 07:54:57,486 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 421 predicate places. [2021-03-26 07:54:57,486 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:57,486 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 460 places, 527 transitions, 10675 flow [2021-03-26 07:54:57,486 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 460 places, 527 transitions, 10675 flow [2021-03-26 07:54:57,490 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 458 places, 527 transitions, 10675 flow [2021-03-26 07:54:57,650 INFO L129 PetriNetUnfolder]: 439/979 cut-off events. [2021-03-26 07:54:57,650 INFO L130 PetriNetUnfolder]: For 55912/56096 co-relation queries the response was YES. [2021-03-26 07:54:57,662 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12339 conditions, 979 events. 439/979 cut-off events. For 55912/56096 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 6634 event pairs, 32 based on Foata normal form. 16/953 useless extension candidates. Maximal degree in co-relation 12181. Up to 377 conditions per place. [2021-03-26 07:54:57,673 INFO L142 LiptonReduction]: Number of co-enabled transitions 572 [2021-03-26 07:54:57,730 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:57,731 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:54:57,731 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 245 [2021-03-26 07:54:57,731 INFO L480 AbstractCegarLoop]: Abstraction has has 458 places, 527 transitions, 10675 flow [2021-03-26 07:54:57,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:57,731 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:57,731 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:57,731 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2021-03-26 07:54:57,731 INFO L428 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:57,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:57,732 INFO L82 PathProgramCache]: Analyzing trace with hash -497046907, now seen corresponding path program 2 times [2021-03-26 07:54:57,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:57,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479051510] [2021-03-26 07:54:57,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:57,739 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:57,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:57,743 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:57,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:57,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:57,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:57,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:57,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:57,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:57,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:57,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:57,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:57,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:57,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:57,808 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 07:54:57,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 07:54:57,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:57,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:57,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:57,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:54:57,869 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:54:57,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:57,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:57,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479051510] [2021-03-26 07:54:57,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:57,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:54:57,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034396196] [2021-03-26 07:54:57,872 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:54:57,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:57,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:54:57,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:54:57,872 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 137 [2021-03-26 07:54:57,872 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 527 transitions, 10675 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:57,872 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:57,873 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 137 [2021-03-26 07:54:57,873 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:54:58,734 INFO L129 PetriNetUnfolder]: 665/1323 cut-off events. [2021-03-26 07:54:58,734 INFO L130 PetriNetUnfolder]: For 80260/80284 co-relation queries the response was YES. [2021-03-26 07:54:58,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17374 conditions, 1323 events. 665/1323 cut-off events. For 80260/80284 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 8393 event pairs, 153 based on Foata normal form. 18/1340 useless extension candidates. Maximal degree in co-relation 17213. Up to 1157 conditions per place. [2021-03-26 07:54:58,754 INFO L132 encePairwiseOnDemand]: 116/137 looper letters, 461 selfloop transitions, 81 changer transitions 3/553 dead transitions. [2021-03-26 07:54:58,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 475 places, 553 transitions, 12486 flow [2021-03-26 07:54:58,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 07:54:58,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 07:54:58,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 561 transitions. [2021-03-26 07:54:58,755 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22749391727493917 [2021-03-26 07:54:58,755 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 561 transitions. [2021-03-26 07:54:58,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 561 transitions. [2021-03-26 07:54:58,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:54:58,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 561 transitions. [2021-03-26 07:54:58,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 31.166666666666668) internal successors, (561), 18 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:58,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 137.0) internal successors, (2603), 19 states have internal predecessors, (2603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:58,757 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 137.0) internal successors, (2603), 19 states have internal predecessors, (2603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:58,757 INFO L185 Difference]: Start difference. First operand has 458 places, 527 transitions, 10675 flow. Second operand 18 states and 561 transitions. [2021-03-26 07:54:58,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 475 places, 553 transitions, 12486 flow [2021-03-26 07:54:59,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 553 transitions, 12336 flow, removed 7 selfloop flow, removed 12 redundant places. [2021-03-26 07:54:59,121 INFO L241 Difference]: Finished difference. Result has 466 places, 530 transitions, 10797 flow [2021-03-26 07:54:59,121 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=10531, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=527, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=10797, PETRI_PLACES=466, PETRI_TRANSITIONS=530} [2021-03-26 07:54:59,121 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 427 predicate places. [2021-03-26 07:54:59,121 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:54:59,121 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 466 places, 530 transitions, 10797 flow [2021-03-26 07:54:59,121 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 466 places, 530 transitions, 10797 flow [2021-03-26 07:54:59,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 464 places, 530 transitions, 10797 flow [2021-03-26 07:54:59,270 INFO L129 PetriNetUnfolder]: 424/964 cut-off events. [2021-03-26 07:54:59,270 INFO L130 PetriNetUnfolder]: For 55327/55446 co-relation queries the response was YES. [2021-03-26 07:54:59,280 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12170 conditions, 964 events. 424/964 cut-off events. For 55327/55446 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 6635 event pairs, 29 based on Foata normal form. 17/944 useless extension candidates. Maximal degree in co-relation 12011. Up to 366 conditions per place. [2021-03-26 07:54:59,290 INFO L142 LiptonReduction]: Number of co-enabled transitions 576 [2021-03-26 07:54:59,380 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:54:59,380 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:54:59,380 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 259 [2021-03-26 07:54:59,380 INFO L480 AbstractCegarLoop]: Abstraction has has 464 places, 530 transitions, 10850 flow [2021-03-26 07:54:59,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:59,380 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:54:59,380 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:54:59,380 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-03-26 07:54:59,381 INFO L428 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:54:59,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:54:59,381 INFO L82 PathProgramCache]: Analyzing trace with hash 2037288030, now seen corresponding path program 8 times [2021-03-26 07:54:59,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:54:59,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392613216] [2021-03-26 07:54:59,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:54:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:54:59,387 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:54:59,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:54:59,392 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:54:59,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:59,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:59,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:54:59,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:59,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:54:59,418 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:54:59,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:54:59,439 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:54:59,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:54:59,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:59,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:54:59,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:59,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:59,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:59,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:54:59,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:54:59,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:54:59,519 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:54:59,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:54:59,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:54:59,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392613216] [2021-03-26 07:54:59,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:54:59,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:54:59,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892870561] [2021-03-26 07:54:59,522 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:54:59,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:54:59,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:54:59,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:54:59,523 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 138 [2021-03-26 07:54:59,523 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 530 transitions, 10850 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:54:59,523 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:54:59,523 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 138 [2021-03-26 07:54:59,523 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:00,364 INFO L129 PetriNetUnfolder]: 664/1321 cut-off events. [2021-03-26 07:55:00,364 INFO L130 PetriNetUnfolder]: For 84694/84711 co-relation queries the response was YES. [2021-03-26 07:55:00,378 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17552 conditions, 1321 events. 664/1321 cut-off events. For 84694/84711 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 8384 event pairs, 134 based on Foata normal form. 11/1331 useless extension candidates. Maximal degree in co-relation 17390. Up to 1140 conditions per place. [2021-03-26 07:55:00,384 INFO L132 encePairwiseOnDemand]: 116/138 looper letters, 426 selfloop transitions, 109 changer transitions 3/546 dead transitions. [2021-03-26 07:55:00,384 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 546 transitions, 12251 flow [2021-03-26 07:55:00,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 07:55:00,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 07:55:00,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 537 transitions. [2021-03-26 07:55:00,385 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2289002557544757 [2021-03-26 07:55:00,385 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 537 transitions. [2021-03-26 07:55:00,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 537 transitions. [2021-03-26 07:55:00,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:00,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 537 transitions. [2021-03-26 07:55:00,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 31.58823529411765) internal successors, (537), 17 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:00,386 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 138.0) internal successors, (2484), 18 states have internal predecessors, (2484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:00,387 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 138.0) internal successors, (2484), 18 states have internal predecessors, (2484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:00,387 INFO L185 Difference]: Start difference. First operand has 464 places, 530 transitions, 10850 flow. Second operand 17 states and 537 transitions. [2021-03-26 07:55:00,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 546 transitions, 12251 flow [2021-03-26 07:55:00,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 546 transitions, 11915 flow, removed 78 selfloop flow, removed 16 redundant places. [2021-03-26 07:55:00,772 INFO L241 Difference]: Finished difference. Result has 466 places, 529 transitions, 10726 flow [2021-03-26 07:55:00,772 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=10520, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=530, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=10726, PETRI_PLACES=466, PETRI_TRANSITIONS=529} [2021-03-26 07:55:00,772 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 427 predicate places. [2021-03-26 07:55:00,773 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:00,773 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 466 places, 529 transitions, 10726 flow [2021-03-26 07:55:00,773 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 466 places, 529 transitions, 10726 flow [2021-03-26 07:55:00,776 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 464 places, 529 transitions, 10726 flow [2021-03-26 07:55:00,921 INFO L129 PetriNetUnfolder]: 434/979 cut-off events. [2021-03-26 07:55:00,922 INFO L130 PetriNetUnfolder]: For 57090/57266 co-relation queries the response was YES. [2021-03-26 07:55:00,932 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12338 conditions, 979 events. 434/979 cut-off events. For 57090/57266 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 6730 event pairs, 31 based on Foata normal form. 13/954 useless extension candidates. Maximal degree in co-relation 12181. Up to 373 conditions per place. [2021-03-26 07:55:00,941 INFO L142 LiptonReduction]: Number of co-enabled transitions 576 [2021-03-26 07:55:00,971 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:00,971 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:00,971 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 198 [2021-03-26 07:55:00,971 INFO L480 AbstractCegarLoop]: Abstraction has has 464 places, 529 transitions, 10726 flow [2021-03-26 07:55:00,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:00,972 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:00,972 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:00,972 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2021-03-26 07:55:00,972 INFO L428 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:00,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:00,972 INFO L82 PathProgramCache]: Analyzing trace with hash -91646357, now seen corresponding path program 11 times [2021-03-26 07:55:00,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:00,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133167927] [2021-03-26 07:55:00,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:00,978 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:00,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:00,983 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:00,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:00,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:00,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:00,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:00,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:01,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:01,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:01,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:01,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:01,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:01,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:01,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:01,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:01,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:01,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:01,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:01,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:01,082 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:01,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:01,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:01,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133167927] [2021-03-26 07:55:01,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:01,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:55:01,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550394261] [2021-03-26 07:55:01,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:55:01,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:01,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:55:01,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:55:01,085 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 138 [2021-03-26 07:55:01,085 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 529 transitions, 10726 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:01,085 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:01,085 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 138 [2021-03-26 07:55:01,085 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:01,832 INFO L129 PetriNetUnfolder]: 663/1320 cut-off events. [2021-03-26 07:55:01,832 INFO L130 PetriNetUnfolder]: For 84803/84820 co-relation queries the response was YES. [2021-03-26 07:55:01,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17479 conditions, 1320 events. 663/1320 cut-off events. For 84803/84820 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 8342 event pairs, 160 based on Foata normal form. 11/1330 useless extension candidates. Maximal degree in co-relation 17319. Up to 1193 conditions per place. [2021-03-26 07:55:01,850 INFO L132 encePairwiseOnDemand]: 123/138 looper letters, 483 selfloop transitions, 40 changer transitions 6/537 dead transitions. [2021-03-26 07:55:01,851 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 537 transitions, 11943 flow [2021-03-26 07:55:01,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:55:01,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:55:01,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 434 transitions. [2021-03-26 07:55:01,852 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2246376811594203 [2021-03-26 07:55:01,852 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 434 transitions. [2021-03-26 07:55:01,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 434 transitions. [2021-03-26 07:55:01,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:01,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 434 transitions. [2021-03-26 07:55:01,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.0) internal successors, (434), 14 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:01,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 138.0) internal successors, (2070), 15 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:01,853 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 138.0) internal successors, (2070), 15 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:01,853 INFO L185 Difference]: Start difference. First operand has 464 places, 529 transitions, 10726 flow. Second operand 14 states and 434 transitions. [2021-03-26 07:55:01,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 537 transitions, 11943 flow [2021-03-26 07:55:02,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 537 transitions, 11697 flow, removed 13 selfloop flow, removed 16 redundant places. [2021-03-26 07:55:02,247 INFO L241 Difference]: Finished difference. Result has 463 places, 524 transitions, 10497 flow [2021-03-26 07:55:02,247 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=10482, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=529, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=489, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=10497, PETRI_PLACES=463, PETRI_TRANSITIONS=524} [2021-03-26 07:55:02,248 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 424 predicate places. [2021-03-26 07:55:02,248 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:02,248 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 463 places, 524 transitions, 10497 flow [2021-03-26 07:55:02,248 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 463 places, 524 transitions, 10497 flow [2021-03-26 07:55:02,252 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 457 places, 524 transitions, 10497 flow [2021-03-26 07:55:02,416 INFO L129 PetriNetUnfolder]: 425/966 cut-off events. [2021-03-26 07:55:02,416 INFO L130 PetriNetUnfolder]: For 54125/54243 co-relation queries the response was YES. [2021-03-26 07:55:02,427 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12012 conditions, 966 events. 425/966 cut-off events. For 54125/54243 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 6678 event pairs, 27 based on Foata normal form. 12/942 useless extension candidates. Maximal degree in co-relation 11856. Up to 361 conditions per place. [2021-03-26 07:55:02,438 INFO L142 LiptonReduction]: Number of co-enabled transitions 576 [2021-03-26 07:55:02,468 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:02,469 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:02,469 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 221 [2021-03-26 07:55:02,469 INFO L480 AbstractCegarLoop]: Abstraction has has 457 places, 524 transitions, 10497 flow [2021-03-26 07:55:02,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:02,469 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:02,469 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:02,469 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2021-03-26 07:55:02,469 INFO L428 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:02,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:02,470 INFO L82 PathProgramCache]: Analyzing trace with hash -2056425347, now seen corresponding path program 12 times [2021-03-26 07:55:02,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:02,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531081889] [2021-03-26 07:55:02,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:02,477 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:02,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:02,481 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:02,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:02,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:02,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:02,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:02,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:02,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:02,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:02,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:02,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:02,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:02,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:02,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:02,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:02,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:02,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:02,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:02,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:02,606 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:02,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:02,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:02,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531081889] [2021-03-26 07:55:02,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:02,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:55:02,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193743767] [2021-03-26 07:55:02,609 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:55:02,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:02,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:55:02,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:55:02,610 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 138 [2021-03-26 07:55:02,610 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 524 transitions, 10497 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:02,610 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:02,610 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 138 [2021-03-26 07:55:02,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:03,529 INFO L129 PetriNetUnfolder]: 662/1324 cut-off events. [2021-03-26 07:55:03,529 INFO L130 PetriNetUnfolder]: For 82676/82691 co-relation queries the response was YES. [2021-03-26 07:55:03,544 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17294 conditions, 1324 events. 662/1324 cut-off events. For 82676/82691 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 8361 event pairs, 173 based on Foata normal form. 10/1332 useless extension candidates. Maximal degree in co-relation 17132. Up to 1153 conditions per place. [2021-03-26 07:55:03,550 INFO L132 encePairwiseOnDemand]: 122/138 looper letters, 449 selfloop transitions, 78 changer transitions 2/537 dead transitions. [2021-03-26 07:55:03,551 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 472 places, 537 transitions, 11701 flow [2021-03-26 07:55:03,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:55:03,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:55:03,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 499 transitions. [2021-03-26 07:55:03,552 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2259963768115942 [2021-03-26 07:55:03,552 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 499 transitions. [2021-03-26 07:55:03,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 499 transitions. [2021-03-26 07:55:03,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:03,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 499 transitions. [2021-03-26 07:55:03,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.1875) internal successors, (499), 16 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:03,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 138.0) internal successors, (2346), 17 states have internal predecessors, (2346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:03,553 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 138.0) internal successors, (2346), 17 states have internal predecessors, (2346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:03,553 INFO L185 Difference]: Start difference. First operand has 457 places, 524 transitions, 10497 flow. Second operand 16 states and 499 transitions. [2021-03-26 07:55:03,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 472 places, 537 transitions, 11701 flow [2021-03-26 07:55:03,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 457 places, 537 transitions, 11593 flow, removed 8 selfloop flow, removed 15 redundant places. [2021-03-26 07:55:03,915 INFO L241 Difference]: Finished difference. Result has 461 places, 528 transitions, 10610 flow [2021-03-26 07:55:03,916 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=10393, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=524, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=10610, PETRI_PLACES=461, PETRI_TRANSITIONS=528} [2021-03-26 07:55:03,916 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 422 predicate places. [2021-03-26 07:55:03,916 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:03,916 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 461 places, 528 transitions, 10610 flow [2021-03-26 07:55:03,916 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 461 places, 528 transitions, 10610 flow [2021-03-26 07:55:03,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 460 places, 528 transitions, 10610 flow [2021-03-26 07:55:04,064 INFO L129 PetriNetUnfolder]: 419/974 cut-off events. [2021-03-26 07:55:04,064 INFO L130 PetriNetUnfolder]: For 50941/51072 co-relation queries the response was YES. [2021-03-26 07:55:04,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11947 conditions, 974 events. 419/974 cut-off events. For 50941/51072 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 6794 event pairs, 21 based on Foata normal form. 14/951 useless extension candidates. Maximal degree in co-relation 11790. Up to 359 conditions per place. [2021-03-26 07:55:04,084 INFO L142 LiptonReduction]: Number of co-enabled transitions 578 [2021-03-26 07:55:04,113 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:04,113 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:04,114 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 198 [2021-03-26 07:55:04,114 INFO L480 AbstractCegarLoop]: Abstraction has has 460 places, 528 transitions, 10610 flow [2021-03-26 07:55:04,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:04,114 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:04,114 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:04,114 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2021-03-26 07:55:04,114 INFO L428 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:04,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:04,114 INFO L82 PathProgramCache]: Analyzing trace with hash 94996965, now seen corresponding path program 13 times [2021-03-26 07:55:04,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:04,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367852165] [2021-03-26 07:55:04,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:04,121 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:04,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:04,125 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:04,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:04,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:04,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:04,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:04,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:04,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:04,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:04,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:04,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:04,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:04,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:04,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:04,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:04,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:04,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:04,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:04,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:04,224 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:04,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:04,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:04,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367852165] [2021-03-26 07:55:04,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:04,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:55:04,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111475347] [2021-03-26 07:55:04,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:55:04,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:04,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:55:04,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:55:04,228 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 138 [2021-03-26 07:55:04,228 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 460 places, 528 transitions, 10610 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:04,228 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:04,228 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 138 [2021-03-26 07:55:04,228 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:05,012 INFO L129 PetriNetUnfolder]: 660/1329 cut-off events. [2021-03-26 07:55:05,012 INFO L130 PetriNetUnfolder]: For 77584/77601 co-relation queries the response was YES. [2021-03-26 07:55:05,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17182 conditions, 1329 events. 660/1329 cut-off events. For 77584/77601 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 8452 event pairs, 155 based on Foata normal form. 14/1342 useless extension candidates. Maximal degree in co-relation 17018. Up to 1154 conditions per place. [2021-03-26 07:55:05,031 INFO L132 encePairwiseOnDemand]: 122/138 looper letters, 450 selfloop transitions, 78 changer transitions 2/538 dead transitions. [2021-03-26 07:55:05,031 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 475 places, 538 transitions, 11774 flow [2021-03-26 07:55:05,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:55:05,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:55:05,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 499 transitions. [2021-03-26 07:55:05,032 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2259963768115942 [2021-03-26 07:55:05,032 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 499 transitions. [2021-03-26 07:55:05,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 499 transitions. [2021-03-26 07:55:05,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:05,032 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 499 transitions. [2021-03-26 07:55:05,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.1875) internal successors, (499), 16 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:05,033 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 138.0) internal successors, (2346), 17 states have internal predecessors, (2346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:05,034 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 138.0) internal successors, (2346), 17 states have internal predecessors, (2346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:05,034 INFO L185 Difference]: Start difference. First operand has 460 places, 528 transitions, 10610 flow. Second operand 16 states and 499 transitions. [2021-03-26 07:55:05,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 475 places, 538 transitions, 11774 flow [2021-03-26 07:55:05,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 538 transitions, 11637 flow, removed 5 selfloop flow, removed 11 redundant places. [2021-03-26 07:55:05,382 INFO L241 Difference]: Finished difference. Result has 468 places, 529 transitions, 10656 flow [2021-03-26 07:55:05,383 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=10479, PETRI_DIFFERENCE_MINUEND_PLACES=449, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=450, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=10656, PETRI_PLACES=468, PETRI_TRANSITIONS=529} [2021-03-26 07:55:05,383 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 429 predicate places. [2021-03-26 07:55:05,383 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:05,383 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 468 places, 529 transitions, 10656 flow [2021-03-26 07:55:05,383 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 468 places, 529 transitions, 10656 flow [2021-03-26 07:55:05,387 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 467 places, 529 transitions, 10656 flow [2021-03-26 07:55:05,532 INFO L129 PetriNetUnfolder]: 424/988 cut-off events. [2021-03-26 07:55:05,532 INFO L130 PetriNetUnfolder]: For 51208/51335 co-relation queries the response was YES. [2021-03-26 07:55:05,543 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12050 conditions, 988 events. 424/988 cut-off events. For 51208/51335 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 6774 event pairs, 22 based on Foata normal form. 15/966 useless extension candidates. Maximal degree in co-relation 11889. Up to 363 conditions per place. [2021-03-26 07:55:05,555 INFO L142 LiptonReduction]: Number of co-enabled transitions 582 [2021-03-26 07:55:05,586 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:05,586 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:05,586 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 203 [2021-03-26 07:55:05,587 INFO L480 AbstractCegarLoop]: Abstraction has has 467 places, 529 transitions, 10656 flow [2021-03-26 07:55:05,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:05,587 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:05,587 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:05,587 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2021-03-26 07:55:05,587 INFO L428 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:05,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:05,587 INFO L82 PathProgramCache]: Analyzing trace with hash -78859835, now seen corresponding path program 14 times [2021-03-26 07:55:05,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:05,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960403513] [2021-03-26 07:55:05,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:05,594 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:05,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:05,599 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:05,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:05,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:05,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:05,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:05,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:05,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:05,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:05,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:05,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:05,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:05,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:05,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:05,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:05,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:05,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:05,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:05,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:05,727 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:05,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:05,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:05,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960403513] [2021-03-26 07:55:05,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:05,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:55:05,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488314250] [2021-03-26 07:55:05,731 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:55:05,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:05,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:55:05,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:55:05,731 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 138 [2021-03-26 07:55:05,731 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 467 places, 529 transitions, 10656 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:05,731 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:05,731 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 138 [2021-03-26 07:55:05,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:06,402 INFO L129 PetriNetUnfolder]: 657/1337 cut-off events. [2021-03-26 07:55:06,402 INFO L130 PetriNetUnfolder]: For 78398/78415 co-relation queries the response was YES. [2021-03-26 07:55:06,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17220 conditions, 1337 events. 657/1337 cut-off events. For 78398/78415 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 8533 event pairs, 154 based on Foata normal form. 11/1347 useless extension candidates. Maximal degree in co-relation 17051. Up to 1196 conditions per place. [2021-03-26 07:55:06,423 INFO L132 encePairwiseOnDemand]: 123/138 looper letters, 491 selfloop transitions, 39 changer transitions 2/540 dead transitions. [2021-03-26 07:55:06,423 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 540 transitions, 11835 flow [2021-03-26 07:55:06,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:55:06,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:55:06,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 462 transitions. [2021-03-26 07:55:06,424 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22318840579710145 [2021-03-26 07:55:06,424 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 462 transitions. [2021-03-26 07:55:06,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 462 transitions. [2021-03-26 07:55:06,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:06,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 462 transitions. [2021-03-26 07:55:06,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 30.8) internal successors, (462), 15 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:06,425 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 138.0) internal successors, (2208), 16 states have internal predecessors, (2208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:06,425 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 138.0) internal successors, (2208), 16 states have internal predecessors, (2208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:06,426 INFO L185 Difference]: Start difference. First operand has 467 places, 529 transitions, 10656 flow. Second operand 15 states and 462 transitions. [2021-03-26 07:55:06,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 481 places, 540 transitions, 11835 flow [2021-03-26 07:55:06,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 467 places, 540 transitions, 11623 flow, removed 5 selfloop flow, removed 14 redundant places. [2021-03-26 07:55:06,779 INFO L241 Difference]: Finished difference. Result has 471 places, 530 transitions, 10554 flow [2021-03-26 07:55:06,779 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=10450, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=529, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=490, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=10554, PETRI_PLACES=471, PETRI_TRANSITIONS=530} [2021-03-26 07:55:06,780 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 432 predicate places. [2021-03-26 07:55:06,780 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:06,780 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 471 places, 530 transitions, 10554 flow [2021-03-26 07:55:06,780 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 471 places, 530 transitions, 10554 flow [2021-03-26 07:55:06,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 469 places, 530 transitions, 10554 flow [2021-03-26 07:55:06,931 INFO L129 PetriNetUnfolder]: 420/992 cut-off events. [2021-03-26 07:55:06,931 INFO L130 PetriNetUnfolder]: For 51058/51188 co-relation queries the response was YES. [2021-03-26 07:55:06,942 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11966 conditions, 992 events. 420/992 cut-off events. For 51058/51188 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 6908 event pairs, 27 based on Foata normal form. 16/972 useless extension candidates. Maximal degree in co-relation 11799. Up to 364 conditions per place. [2021-03-26 07:55:06,953 INFO L142 LiptonReduction]: Number of co-enabled transitions 588 [2021-03-26 07:55:07,045 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:07,046 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:55:07,046 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 266 [2021-03-26 07:55:07,046 INFO L480 AbstractCegarLoop]: Abstraction has has 468 places, 529 transitions, 10548 flow [2021-03-26 07:55:07,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:07,046 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:07,046 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:07,046 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2021-03-26 07:55:07,046 INFO L428 AbstractCegarLoop]: === Iteration 138 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:07,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:07,047 INFO L82 PathProgramCache]: Analyzing trace with hash 356268284, now seen corresponding path program 9 times [2021-03-26 07:55:07,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:07,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617795148] [2021-03-26 07:55:07,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:07,053 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:07,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:07,057 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:07,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:07,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:07,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:07,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:07,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:07,083 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:55:07,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:55:07,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:07,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:07,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:07,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:07,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:07,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:07,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:07,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:07,157 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:55:07,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:07,164 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:07,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:07,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:07,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617795148] [2021-03-26 07:55:07,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:07,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:55:07,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132208341] [2021-03-26 07:55:07,167 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:55:07,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:07,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:55:07,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:55:07,168 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 139 [2021-03-26 07:55:07,168 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 529 transitions, 10548 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:07,168 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:07,168 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 139 [2021-03-26 07:55:07,168 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:08,037 INFO L129 PetriNetUnfolder]: 657/1339 cut-off events. [2021-03-26 07:55:08,037 INFO L130 PetriNetUnfolder]: For 76741/76758 co-relation queries the response was YES. [2021-03-26 07:55:08,051 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17163 conditions, 1339 events. 657/1339 cut-off events. For 76741/76758 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 8660 event pairs, 131 based on Foata normal form. 14/1352 useless extension candidates. Maximal degree in co-relation 16989. Up to 1105 conditions per place. [2021-03-26 07:55:08,058 INFO L132 encePairwiseOnDemand]: 117/139 looper letters, 398 selfloop transitions, 136 changer transitions 2/544 dead transitions. [2021-03-26 07:55:08,058 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 544 transitions, 11849 flow [2021-03-26 07:55:08,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:55:08,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:55:08,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 435 transitions. [2021-03-26 07:55:08,059 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24073049252905368 [2021-03-26 07:55:08,059 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 435 transitions. [2021-03-26 07:55:08,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 435 transitions. [2021-03-26 07:55:08,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:08,059 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 435 transitions. [2021-03-26 07:55:08,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 33.46153846153846) internal successors, (435), 13 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:08,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:08,060 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:08,060 INFO L185 Difference]: Start difference. First operand has 468 places, 529 transitions, 10548 flow. Second operand 13 states and 435 transitions. [2021-03-26 07:55:08,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 544 transitions, 11849 flow [2021-03-26 07:55:08,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 544 transitions, 11760 flow, removed 10 selfloop flow, removed 11 redundant places. [2021-03-26 07:55:08,448 INFO L241 Difference]: Finished difference. Result has 472 places, 531 transitions, 10808 flow [2021-03-26 07:55:08,448 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=10459, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=529, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=134, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=10808, PETRI_PLACES=472, PETRI_TRANSITIONS=531} [2021-03-26 07:55:08,448 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 433 predicate places. [2021-03-26 07:55:08,448 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:08,448 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 472 places, 531 transitions, 10808 flow [2021-03-26 07:55:08,449 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 472 places, 531 transitions, 10808 flow [2021-03-26 07:55:08,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 471 places, 531 transitions, 10808 flow [2021-03-26 07:55:08,619 INFO L129 PetriNetUnfolder]: 429/999 cut-off events. [2021-03-26 07:55:08,619 INFO L130 PetriNetUnfolder]: For 52521/52663 co-relation queries the response was YES. [2021-03-26 07:55:08,631 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12302 conditions, 999 events. 429/999 cut-off events. For 52521/52663 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 6930 event pairs, 32 based on Foata normal form. 15/973 useless extension candidates. Maximal degree in co-relation 12125. Up to 371 conditions per place. [2021-03-26 07:55:08,642 INFO L142 LiptonReduction]: Number of co-enabled transitions 594 [2021-03-26 07:55:08,673 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:08,673 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:08,673 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 225 [2021-03-26 07:55:08,673 INFO L480 AbstractCegarLoop]: Abstraction has has 471 places, 531 transitions, 10808 flow [2021-03-26 07:55:08,673 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:08,673 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:08,673 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:08,673 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2021-03-26 07:55:08,673 INFO L428 AbstractCegarLoop]: === Iteration 139 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:08,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:08,674 INFO L82 PathProgramCache]: Analyzing trace with hash -2058300829, now seen corresponding path program 1 times [2021-03-26 07:55:08,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:08,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544907073] [2021-03-26 07:55:08,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:08,680 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:08,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:08,685 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:08,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:08,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:08,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:08,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:08,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:08,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:08,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:08,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:08,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:08,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:08,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:08,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:08,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:08,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:08,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:08,772 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:08,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:08,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:08,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544907073] [2021-03-26 07:55:08,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:08,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:55:08,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532987457] [2021-03-26 07:55:08,774 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:55:08,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:08,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:55:08,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:55:08,775 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 139 [2021-03-26 07:55:08,775 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 531 transitions, 10808 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:08,775 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:08,775 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 139 [2021-03-26 07:55:08,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:09,442 INFO L129 PetriNetUnfolder]: 656/1336 cut-off events. [2021-03-26 07:55:09,442 INFO L130 PetriNetUnfolder]: For 78526/78543 co-relation queries the response was YES. [2021-03-26 07:55:09,457 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17434 conditions, 1336 events. 656/1336 cut-off events. For 78526/78543 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 8579 event pairs, 154 based on Foata normal form. 11/1346 useless extension candidates. Maximal degree in co-relation 17252. Up to 1197 conditions per place. [2021-03-26 07:55:09,462 INFO L132 encePairwiseOnDemand]: 124/139 looper letters, 492 selfloop transitions, 36 changer transitions 3/539 dead transitions. [2021-03-26 07:55:09,463 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 483 places, 539 transitions, 11955 flow [2021-03-26 07:55:09,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:55:09,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:55:09,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 407 transitions. [2021-03-26 07:55:09,464 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22523519645821805 [2021-03-26 07:55:09,464 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 407 transitions. [2021-03-26 07:55:09,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 407 transitions. [2021-03-26 07:55:09,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:09,464 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 407 transitions. [2021-03-26 07:55:09,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.307692307692307) internal successors, (407), 13 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:09,465 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:09,465 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:09,465 INFO L185 Difference]: Start difference. First operand has 471 places, 531 transitions, 10808 flow. Second operand 13 states and 407 transitions. [2021-03-26 07:55:09,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 483 places, 539 transitions, 11955 flow [2021-03-26 07:55:09,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 471 places, 539 transitions, 11620 flow, removed 13 selfloop flow, removed 12 redundant places. [2021-03-26 07:55:09,885 INFO L241 Difference]: Finished difference. Result has 472 places, 528 transitions, 10495 flow [2021-03-26 07:55:09,886 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=10477, PETRI_DIFFERENCE_MINUEND_PLACES=459, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=531, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=495, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=10495, PETRI_PLACES=472, PETRI_TRANSITIONS=528} [2021-03-26 07:55:09,886 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 433 predicate places. [2021-03-26 07:55:09,886 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:09,886 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 472 places, 528 transitions, 10495 flow [2021-03-26 07:55:09,886 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 472 places, 528 transitions, 10495 flow [2021-03-26 07:55:09,889 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 470 places, 528 transitions, 10495 flow [2021-03-26 07:55:10,034 INFO L129 PetriNetUnfolder]: 419/989 cut-off events. [2021-03-26 07:55:10,035 INFO L130 PetriNetUnfolder]: For 51146/51274 co-relation queries the response was YES. [2021-03-26 07:55:10,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11946 conditions, 989 events. 419/989 cut-off events. For 51146/51274 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 6881 event pairs, 27 based on Foata normal form. 16/969 useless extension candidates. Maximal degree in co-relation 11779. Up to 363 conditions per place. [2021-03-26 07:55:10,055 INFO L142 LiptonReduction]: Number of co-enabled transitions 590 [2021-03-26 07:55:10,085 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:10,085 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:10,085 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 199 [2021-03-26 07:55:10,085 INFO L480 AbstractCegarLoop]: Abstraction has has 470 places, 528 transitions, 10495 flow [2021-03-26 07:55:10,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:10,086 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:10,086 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:10,086 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2021-03-26 07:55:10,086 INFO L428 AbstractCegarLoop]: === Iteration 140 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:10,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:10,086 INFO L82 PathProgramCache]: Analyzing trace with hash -546475671, now seen corresponding path program 2 times [2021-03-26 07:55:10,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:10,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620062849] [2021-03-26 07:55:10,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:10,092 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:10,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:10,096 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:10,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:10,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:10,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:10,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:10,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:10,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:10,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:10,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:10,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:10,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:10,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:10,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:10,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:10,165 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:55:10,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:10,181 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:10,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:10,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:10,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620062849] [2021-03-26 07:55:10,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:10,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:55:10,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126354335] [2021-03-26 07:55:10,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:55:10,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:10,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:55:10,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:55:10,184 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 139 [2021-03-26 07:55:10,184 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 528 transitions, 10495 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:10,184 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:10,184 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 139 [2021-03-26 07:55:10,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:10,968 INFO L129 PetriNetUnfolder]: 656/1331 cut-off events. [2021-03-26 07:55:10,968 INFO L130 PetriNetUnfolder]: For 77911/77928 co-relation queries the response was YES. [2021-03-26 07:55:10,982 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17193 conditions, 1331 events. 656/1331 cut-off events. For 77911/77928 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 8532 event pairs, 154 based on Foata normal form. 14/1344 useless extension candidates. Maximal degree in co-relation 17022. Up to 1170 conditions per place. [2021-03-26 07:55:10,989 INFO L132 encePairwiseOnDemand]: 123/139 looper letters, 465 selfloop transitions, 59 changer transitions 2/534 dead transitions. [2021-03-26 07:55:10,989 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 483 places, 534 transitions, 11624 flow [2021-03-26 07:55:10,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:55:10,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:55:10,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 437 transitions. [2021-03-26 07:55:10,990 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22456320657759507 [2021-03-26 07:55:10,990 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 437 transitions. [2021-03-26 07:55:10,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 437 transitions. [2021-03-26 07:55:10,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:10,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 437 transitions. [2021-03-26 07:55:10,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.214285714285715) internal successors, (437), 14 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:10,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 139.0) internal successors, (2085), 15 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:10,991 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 139.0) internal successors, (2085), 15 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:10,992 INFO L185 Difference]: Start difference. First operand has 470 places, 528 transitions, 10495 flow. Second operand 14 states and 437 transitions. [2021-03-26 07:55:10,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 483 places, 534 transitions, 11624 flow [2021-03-26 07:55:11,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 468 places, 534 transitions, 11529 flow, removed 4 selfloop flow, removed 15 redundant places. [2021-03-26 07:55:11,381 INFO L241 Difference]: Finished difference. Result has 469 places, 526 transitions, 10515 flow [2021-03-26 07:55:11,381 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=10400, PETRI_DIFFERENCE_MINUEND_PLACES=455, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=469, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=10515, PETRI_PLACES=469, PETRI_TRANSITIONS=526} [2021-03-26 07:55:11,381 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 430 predicate places. [2021-03-26 07:55:11,382 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:11,382 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 469 places, 526 transitions, 10515 flow [2021-03-26 07:55:11,382 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 469 places, 526 transitions, 10515 flow [2021-03-26 07:55:11,386 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 467 places, 526 transitions, 10515 flow [2021-03-26 07:55:11,543 INFO L129 PetriNetUnfolder]: 433/999 cut-off events. [2021-03-26 07:55:11,543 INFO L130 PetriNetUnfolder]: For 52101/52249 co-relation queries the response was YES. [2021-03-26 07:55:11,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12213 conditions, 999 events. 433/999 cut-off events. For 52101/52249 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 6891 event pairs, 27 based on Foata normal form. 17/972 useless extension candidates. Maximal degree in co-relation 12054. Up to 374 conditions per place. [2021-03-26 07:55:11,565 INFO L142 LiptonReduction]: Number of co-enabled transitions 588 [2021-03-26 07:55:11,595 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:11,595 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:11,595 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 213 [2021-03-26 07:55:11,596 INFO L480 AbstractCegarLoop]: Abstraction has has 467 places, 526 transitions, 10515 flow [2021-03-26 07:55:11,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:11,596 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:11,596 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:11,596 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2021-03-26 07:55:11,596 INFO L428 AbstractCegarLoop]: === Iteration 141 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:11,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:11,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1484037075, now seen corresponding path program 3 times [2021-03-26 07:55:11,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:11,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787647933] [2021-03-26 07:55:11,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:11,603 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:11,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:11,607 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:11,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:11,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:11,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:11,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:11,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:11,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:11,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:11,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:11,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:11,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:11,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:11,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:11,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:11,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:11,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:11,694 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:11,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:11,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:11,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787647933] [2021-03-26 07:55:11,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:11,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:55:11,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343572611] [2021-03-26 07:55:11,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:55:11,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:11,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:55:11,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:55:11,698 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 139 [2021-03-26 07:55:11,698 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 467 places, 526 transitions, 10515 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:11,698 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:11,698 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 139 [2021-03-26 07:55:11,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:12,334 INFO L129 PetriNetUnfolder]: 656/1323 cut-off events. [2021-03-26 07:55:12,335 INFO L130 PetriNetUnfolder]: For 77675/77692 co-relation queries the response was YES. [2021-03-26 07:55:12,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17191 conditions, 1323 events. 656/1323 cut-off events. For 77675/77692 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 8480 event pairs, 172 based on Foata normal form. 11/1333 useless extension candidates. Maximal degree in co-relation 17030. Up to 1197 conditions per place. [2021-03-26 07:55:12,355 INFO L132 encePairwiseOnDemand]: 124/139 looper letters, 488 selfloop transitions, 30 changer transitions 6/532 dead transitions. [2021-03-26 07:55:12,355 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 479 places, 532 transitions, 11640 flow [2021-03-26 07:55:12,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:55:12,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:55:12,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 403 transitions. [2021-03-26 07:55:12,356 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22302158273381295 [2021-03-26 07:55:12,356 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 403 transitions. [2021-03-26 07:55:12,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 403 transitions. [2021-03-26 07:55:12,356 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:12,356 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 403 transitions. [2021-03-26 07:55:12,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.0) internal successors, (403), 13 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:12,357 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:12,358 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:12,358 INFO L185 Difference]: Start difference. First operand has 467 places, 526 transitions, 10515 flow. Second operand 13 states and 403 transitions. [2021-03-26 07:55:12,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 479 places, 532 transitions, 11640 flow [2021-03-26 07:55:12,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 532 transitions, 11508 flow, removed 2 selfloop flow, removed 14 redundant places. [2021-03-26 07:55:12,761 INFO L241 Difference]: Finished difference. Result has 466 places, 520 transitions, 10357 flow [2021-03-26 07:55:12,762 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=10383, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=496, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=10357, PETRI_PLACES=466, PETRI_TRANSITIONS=520} [2021-03-26 07:55:12,762 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 427 predicate places. [2021-03-26 07:55:12,762 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:12,762 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 466 places, 520 transitions, 10357 flow [2021-03-26 07:55:12,762 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 466 places, 520 transitions, 10357 flow [2021-03-26 07:55:12,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 454 places, 520 transitions, 10357 flow [2021-03-26 07:55:12,933 INFO L129 PetriNetUnfolder]: 420/972 cut-off events. [2021-03-26 07:55:12,933 INFO L130 PetriNetUnfolder]: For 50508/50644 co-relation queries the response was YES. [2021-03-26 07:55:12,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11844 conditions, 972 events. 420/972 cut-off events. For 50508/50644 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 6672 event pairs, 27 based on Foata normal form. 16/951 useless extension candidates. Maximal degree in co-relation 11684. Up to 363 conditions per place. [2021-03-26 07:55:12,955 INFO L142 LiptonReduction]: Number of co-enabled transitions 588 [2021-03-26 07:55:12,986 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:12,986 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:12,986 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 224 [2021-03-26 07:55:12,986 INFO L480 AbstractCegarLoop]: Abstraction has has 454 places, 520 transitions, 10357 flow [2021-03-26 07:55:12,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:12,987 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:12,987 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:12,987 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2021-03-26 07:55:12,987 INFO L428 AbstractCegarLoop]: === Iteration 142 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:12,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:12,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1367480689, now seen corresponding path program 15 times [2021-03-26 07:55:12,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:12,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502382778] [2021-03-26 07:55:12,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:12,994 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:12,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:12,999 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:12,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:13,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:13,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:13,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:13,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:13,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:13,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:13,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:13,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:13,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:13,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:13,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:13,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:13,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:13,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:13,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:13,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:13,119 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:13,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:13,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:13,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502382778] [2021-03-26 07:55:13,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:13,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:55:13,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715228349] [2021-03-26 07:55:13,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:55:13,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:13,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:55:13,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:55:13,123 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 139 [2021-03-26 07:55:13,123 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 520 transitions, 10357 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:13,123 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:13,123 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 139 [2021-03-26 07:55:13,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:13,993 INFO L129 PetriNetUnfolder]: 654/1321 cut-off events. [2021-03-26 07:55:13,993 INFO L130 PetriNetUnfolder]: For 77912/77936 co-relation queries the response was YES. [2021-03-26 07:55:14,006 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17083 conditions, 1321 events. 654/1321 cut-off events. For 77912/77936 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 8384 event pairs, 174 based on Foata normal form. 18/1338 useless extension candidates. Maximal degree in co-relation 16915. Up to 1190 conditions per place. [2021-03-26 07:55:14,013 INFO L132 encePairwiseOnDemand]: 124/139 looper letters, 481 selfloop transitions, 37 changer transitions 2/528 dead transitions. [2021-03-26 07:55:14,013 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 468 places, 528 transitions, 11489 flow [2021-03-26 07:55:14,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:55:14,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:55:14,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 459 transitions. [2021-03-26 07:55:14,015 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22014388489208633 [2021-03-26 07:55:14,015 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 459 transitions. [2021-03-26 07:55:14,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 459 transitions. [2021-03-26 07:55:14,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:14,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 459 transitions. [2021-03-26 07:55:14,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 30.6) internal successors, (459), 15 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:14,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 139.0) internal successors, (2224), 16 states have internal predecessors, (2224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:14,016 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 139.0) internal successors, (2224), 16 states have internal predecessors, (2224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:14,016 INFO L185 Difference]: Start difference. First operand has 454 places, 520 transitions, 10357 flow. Second operand 15 states and 459 transitions. [2021-03-26 07:55:14,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 468 places, 528 transitions, 11489 flow [2021-03-26 07:55:14,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 458 places, 528 transitions, 11379 flow, removed 15 selfloop flow, removed 10 redundant places. [2021-03-26 07:55:14,397 INFO L241 Difference]: Finished difference. Result has 460 places, 519 transitions, 10326 flow [2021-03-26 07:55:14,398 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=10249, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=520, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=483, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=10326, PETRI_PLACES=460, PETRI_TRANSITIONS=519} [2021-03-26 07:55:14,398 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 421 predicate places. [2021-03-26 07:55:14,398 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:14,398 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 460 places, 519 transitions, 10326 flow [2021-03-26 07:55:14,398 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 460 places, 519 transitions, 10326 flow [2021-03-26 07:55:14,402 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 458 places, 519 transitions, 10326 flow [2021-03-26 07:55:14,564 INFO L129 PetriNetUnfolder]: 417/972 cut-off events. [2021-03-26 07:55:14,565 INFO L130 PetriNetUnfolder]: For 49247/49367 co-relation queries the response was YES. [2021-03-26 07:55:14,575 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11759 conditions, 972 events. 417/972 cut-off events. For 49247/49367 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 6747 event pairs, 28 based on Foata normal form. 14/949 useless extension candidates. Maximal degree in co-relation 11598. Up to 362 conditions per place. [2021-03-26 07:55:14,586 INFO L142 LiptonReduction]: Number of co-enabled transitions 588 [2021-03-26 07:55:14,678 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:14,678 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:55:14,679 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 281 [2021-03-26 07:55:14,679 INFO L480 AbstractCegarLoop]: Abstraction has has 458 places, 519 transitions, 10346 flow [2021-03-26 07:55:14,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:14,679 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:14,679 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:14,679 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2021-03-26 07:55:14,679 INFO L428 AbstractCegarLoop]: === Iteration 143 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:14,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:14,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1196956171, now seen corresponding path program 16 times [2021-03-26 07:55:14,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:14,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672597038] [2021-03-26 07:55:14,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:14,685 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:14,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:14,690 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:14,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:14,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:14,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:14,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:14,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:14,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:14,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:14,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:14,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:14,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:14,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:14,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:14,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:14,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:14,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:14,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:14,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:14,792 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:14,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:14,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:14,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672597038] [2021-03-26 07:55:14,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:14,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:55:14,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63485210] [2021-03-26 07:55:14,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:55:14,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:14,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:55:14,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:55:14,796 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 140 [2021-03-26 07:55:14,796 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 519 transitions, 10346 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:14,796 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:14,796 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 140 [2021-03-26 07:55:14,796 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:15,628 INFO L129 PetriNetUnfolder]: 654/1315 cut-off events. [2021-03-26 07:55:15,629 INFO L130 PetriNetUnfolder]: For 76374/76389 co-relation queries the response was YES. [2021-03-26 07:55:15,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16995 conditions, 1315 events. 654/1315 cut-off events. For 76374/76389 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 8366 event pairs, 171 based on Foata normal form. 10/1323 useless extension candidates. Maximal degree in co-relation 16831. Up to 1147 conditions per place. [2021-03-26 07:55:15,650 INFO L132 encePairwiseOnDemand]: 123/140 looper letters, 444 selfloop transitions, 69 changer transitions 4/525 dead transitions. [2021-03-26 07:55:15,650 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 472 places, 525 transitions, 11457 flow [2021-03-26 07:55:15,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:55:15,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:55:15,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 470 transitions. [2021-03-26 07:55:15,651 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22380952380952382 [2021-03-26 07:55:15,651 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 470 transitions. [2021-03-26 07:55:15,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 470 transitions. [2021-03-26 07:55:15,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:15,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 470 transitions. [2021-03-26 07:55:15,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.333333333333332) internal successors, (470), 15 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:15,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 140.0) internal successors, (2240), 16 states have internal predecessors, (2240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:15,653 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 140.0) internal successors, (2240), 16 states have internal predecessors, (2240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:15,653 INFO L185 Difference]: Start difference. First operand has 458 places, 519 transitions, 10346 flow. Second operand 15 states and 470 transitions. [2021-03-26 07:55:15,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 472 places, 525 transitions, 11457 flow [2021-03-26 07:55:15,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 525 transitions, 11372 flow, removed 6 selfloop flow, removed 12 redundant places. [2021-03-26 07:55:16,003 INFO L241 Difference]: Finished difference. Result has 461 places, 515 transitions, 10347 flow [2021-03-26 07:55:16,003 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=10261, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=519, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=450, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=10347, PETRI_PLACES=461, PETRI_TRANSITIONS=515} [2021-03-26 07:55:16,003 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 422 predicate places. [2021-03-26 07:55:16,003 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:16,003 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 461 places, 515 transitions, 10347 flow [2021-03-26 07:55:16,003 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 461 places, 515 transitions, 10347 flow [2021-03-26 07:55:16,007 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 453 places, 515 transitions, 10347 flow [2021-03-26 07:55:16,149 INFO L129 PetriNetUnfolder]: 412/963 cut-off events. [2021-03-26 07:55:16,149 INFO L130 PetriNetUnfolder]: For 48928/49049 co-relation queries the response was YES. [2021-03-26 07:55:16,160 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11717 conditions, 963 events. 412/963 cut-off events. For 48928/49049 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 6702 event pairs, 21 based on Foata normal form. 15/945 useless extension candidates. Maximal degree in co-relation 11562. Up to 357 conditions per place. [2021-03-26 07:55:16,170 INFO L142 LiptonReduction]: Number of co-enabled transitions 584 [2021-03-26 07:55:16,199 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:16,199 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:16,199 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 196 [2021-03-26 07:55:16,200 INFO L480 AbstractCegarLoop]: Abstraction has has 453 places, 515 transitions, 10347 flow [2021-03-26 07:55:16,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:16,200 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:16,200 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:16,200 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2021-03-26 07:55:16,200 INFO L428 AbstractCegarLoop]: === Iteration 144 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:16,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:16,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1286791696, now seen corresponding path program 1 times [2021-03-26 07:55:16,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:16,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728902919] [2021-03-26 07:55:16,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:16,206 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:16,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:16,211 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:16,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:16,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:16,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:16,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:16,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:16,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:16,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:16,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:16,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:16,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:16,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:16,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:16,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:16,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:16,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:16,300 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:16,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:16,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:16,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728902919] [2021-03-26 07:55:16,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:16,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:55:16,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862915510] [2021-03-26 07:55:16,303 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:55:16,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:16,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:55:16,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:55:16,304 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 140 [2021-03-26 07:55:16,304 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 515 transitions, 10347 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:16,304 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:16,304 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 140 [2021-03-26 07:55:16,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:17,047 INFO L129 PetriNetUnfolder]: 652/1317 cut-off events. [2021-03-26 07:55:17,047 INFO L130 PetriNetUnfolder]: For 76375/76401 co-relation queries the response was YES. [2021-03-26 07:55:17,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17017 conditions, 1317 events. 652/1317 cut-off events. For 76375/76401 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 8471 event pairs, 172 based on Foata normal form. 16/1332 useless extension candidates. Maximal degree in co-relation 16850. Up to 1183 conditions per place. [2021-03-26 07:55:17,071 INFO L132 encePairwiseOnDemand]: 125/140 looper letters, 480 selfloop transitions, 35 changer transitions 2/525 dead transitions. [2021-03-26 07:55:17,071 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 525 transitions, 11478 flow [2021-03-26 07:55:17,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:55:17,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:55:17,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 407 transitions. [2021-03-26 07:55:17,072 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22362637362637364 [2021-03-26 07:55:17,072 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 407 transitions. [2021-03-26 07:55:17,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 407 transitions. [2021-03-26 07:55:17,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:17,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 407 transitions. [2021-03-26 07:55:17,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.307692307692307) internal successors, (407), 13 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:17,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 140.0) internal successors, (1960), 14 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:17,074 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 140.0) internal successors, (1960), 14 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:17,074 INFO L185 Difference]: Start difference. First operand has 453 places, 515 transitions, 10347 flow. Second operand 13 states and 407 transitions. [2021-03-26 07:55:17,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 525 transitions, 11478 flow [2021-03-26 07:55:17,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 525 transitions, 11330 flow, removed 5 selfloop flow, removed 12 redundant places. [2021-03-26 07:55:17,469 INFO L241 Difference]: Finished difference. Result has 456 places, 515 transitions, 10279 flow [2021-03-26 07:55:17,469 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=10205, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=10279, PETRI_PLACES=456, PETRI_TRANSITIONS=515} [2021-03-26 07:55:17,469 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 417 predicate places. [2021-03-26 07:55:17,469 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:17,469 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 456 places, 515 transitions, 10279 flow [2021-03-26 07:55:17,470 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 456 places, 515 transitions, 10279 flow [2021-03-26 07:55:17,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 455 places, 515 transitions, 10279 flow [2021-03-26 07:55:17,622 INFO L129 PetriNetUnfolder]: 415/971 cut-off events. [2021-03-26 07:55:17,623 INFO L130 PetriNetUnfolder]: For 49238/49366 co-relation queries the response was YES. [2021-03-26 07:55:17,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11732 conditions, 971 events. 415/971 cut-off events. For 49238/49366 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 6662 event pairs, 28 based on Foata normal form. 15/949 useless extension candidates. Maximal degree in co-relation 11570. Up to 363 conditions per place. [2021-03-26 07:55:17,646 INFO L142 LiptonReduction]: Number of co-enabled transitions 588 [2021-03-26 07:55:17,676 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:17,676 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:17,676 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 207 [2021-03-26 07:55:17,677 INFO L480 AbstractCegarLoop]: Abstraction has has 455 places, 515 transitions, 10279 flow [2021-03-26 07:55:17,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:17,677 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:17,677 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:17,677 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2021-03-26 07:55:17,677 INFO L428 AbstractCegarLoop]: === Iteration 145 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:17,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:17,677 INFO L82 PathProgramCache]: Analyzing trace with hash 2146260872, now seen corresponding path program 2 times [2021-03-26 07:55:17,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:17,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313621692] [2021-03-26 07:55:17,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:17,684 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:17,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:17,688 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:17,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:17,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:17,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:17,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:17,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:17,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:17,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:17,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:17,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:17,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:17,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:17,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:17,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:17,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:17,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:17,792 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:17,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:17,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:17,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313621692] [2021-03-26 07:55:17,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:17,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:55:17,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259197568] [2021-03-26 07:55:17,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:55:17,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:17,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:55:17,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:55:17,796 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 140 [2021-03-26 07:55:17,796 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 515 transitions, 10279 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:17,796 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:17,796 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 140 [2021-03-26 07:55:17,796 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:18,468 INFO L129 PetriNetUnfolder]: 652/1308 cut-off events. [2021-03-26 07:55:18,468 INFO L130 PetriNetUnfolder]: For 76243/76260 co-relation queries the response was YES. [2021-03-26 07:55:18,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16952 conditions, 1308 events. 652/1308 cut-off events. For 76243/76260 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 8285 event pairs, 172 based on Foata normal form. 11/1318 useless extension candidates. Maximal degree in co-relation 16787. Up to 1183 conditions per place. [2021-03-26 07:55:18,491 INFO L132 encePairwiseOnDemand]: 125/140 looper letters, 478 selfloop transitions, 33 changer transitions 3/522 dead transitions. [2021-03-26 07:55:18,492 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 522 transitions, 11388 flow [2021-03-26 07:55:18,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:55:18,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:55:18,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 405 transitions. [2021-03-26 07:55:18,493 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22252747252747251 [2021-03-26 07:55:18,493 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 405 transitions. [2021-03-26 07:55:18,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 405 transitions. [2021-03-26 07:55:18,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:18,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 405 transitions. [2021-03-26 07:55:18,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.153846153846153) internal successors, (405), 13 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:18,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 140.0) internal successors, (1960), 14 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:18,494 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 140.0) internal successors, (1960), 14 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:18,494 INFO L185 Difference]: Start difference. First operand has 455 places, 515 transitions, 10279 flow. Second operand 13 states and 405 transitions. [2021-03-26 07:55:18,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 522 transitions, 11388 flow [2021-03-26 07:55:18,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 522 transitions, 11313 flow, removed 4 selfloop flow, removed 11 redundant places. [2021-03-26 07:55:18,861 INFO L241 Difference]: Finished difference. Result has 457 places, 512 transitions, 10223 flow [2021-03-26 07:55:18,861 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=10206, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=482, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=10223, PETRI_PLACES=457, PETRI_TRANSITIONS=512} [2021-03-26 07:55:18,861 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 418 predicate places. [2021-03-26 07:55:18,861 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:18,861 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 457 places, 512 transitions, 10223 flow [2021-03-26 07:55:18,862 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 457 places, 512 transitions, 10223 flow [2021-03-26 07:55:18,865 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 454 places, 512 transitions, 10223 flow [2021-03-26 07:55:19,011 INFO L129 PetriNetUnfolder]: 410/955 cut-off events. [2021-03-26 07:55:19,011 INFO L130 PetriNetUnfolder]: For 49009/49124 co-relation queries the response was YES. [2021-03-26 07:55:19,022 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11607 conditions, 955 events. 410/955 cut-off events. For 49009/49124 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 6625 event pairs, 27 based on Foata normal form. 15/936 useless extension candidates. Maximal degree in co-relation 11448. Up to 357 conditions per place. [2021-03-26 07:55:19,032 INFO L142 LiptonReduction]: Number of co-enabled transitions 584 [2021-03-26 07:55:19,060 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:19,060 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:19,060 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 199 [2021-03-26 07:55:19,060 INFO L480 AbstractCegarLoop]: Abstraction has has 454 places, 512 transitions, 10223 flow [2021-03-26 07:55:19,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:19,061 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:19,061 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:19,061 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2021-03-26 07:55:19,061 INFO L428 AbstractCegarLoop]: === Iteration 146 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:19,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:19,061 INFO L82 PathProgramCache]: Analyzing trace with hash -396467896, now seen corresponding path program 3 times [2021-03-26 07:55:19,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:19,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247683113] [2021-03-26 07:55:19,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:19,068 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:19,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:19,072 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:19,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:19,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:19,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:19,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:19,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:19,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:19,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:19,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:19,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:19,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:19,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:19,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:19,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:19,144 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:55:19,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:19,160 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:19,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:19,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:19,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247683113] [2021-03-26 07:55:19,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:19,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:55:19,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789711160] [2021-03-26 07:55:19,163 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:55:19,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:19,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:55:19,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:55:19,164 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 140 [2021-03-26 07:55:19,164 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 512 transitions, 10223 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:19,164 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:19,164 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 140 [2021-03-26 07:55:19,164 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:19,913 INFO L129 PetriNetUnfolder]: 652/1303 cut-off events. [2021-03-26 07:55:19,913 INFO L130 PetriNetUnfolder]: For 75881/75898 co-relation queries the response was YES. [2021-03-26 07:55:19,926 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16912 conditions, 1303 events. 652/1303 cut-off events. For 75881/75898 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 8251 event pairs, 153 based on Foata normal form. 14/1316 useless extension candidates. Maximal degree in co-relation 16751. Up to 1141 conditions per place. [2021-03-26 07:55:19,932 INFO L132 encePairwiseOnDemand]: 124/140 looper letters, 443 selfloop transitions, 63 changer transitions 4/518 dead transitions. [2021-03-26 07:55:19,933 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 518 transitions, 11320 flow [2021-03-26 07:55:19,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:55:19,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:55:19,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 442 transitions. [2021-03-26 07:55:19,934 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22551020408163266 [2021-03-26 07:55:19,934 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 442 transitions. [2021-03-26 07:55:19,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 442 transitions. [2021-03-26 07:55:19,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:19,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 442 transitions. [2021-03-26 07:55:19,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.571428571428573) internal successors, (442), 14 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:19,935 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 140.0) internal successors, (2100), 15 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:19,935 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 140.0) internal successors, (2100), 15 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:19,935 INFO L185 Difference]: Start difference. First operand has 454 places, 512 transitions, 10223 flow. Second operand 14 states and 442 transitions. [2021-03-26 07:55:19,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 518 transitions, 11320 flow [2021-03-26 07:55:20,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 518 transitions, 11226 flow, removed 2 selfloop flow, removed 13 redundant places. [2021-03-26 07:55:20,267 INFO L241 Difference]: Finished difference. Result has 455 places, 508 transitions, 10214 flow [2021-03-26 07:55:20,268 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=10129, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=10214, PETRI_PLACES=455, PETRI_TRANSITIONS=508} [2021-03-26 07:55:20,268 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 416 predicate places. [2021-03-26 07:55:20,268 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:20,268 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 455 places, 508 transitions, 10214 flow [2021-03-26 07:55:20,268 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 455 places, 508 transitions, 10214 flow [2021-03-26 07:55:20,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 446 places, 508 transitions, 10214 flow [2021-03-26 07:55:20,406 INFO L129 PetriNetUnfolder]: 419/961 cut-off events. [2021-03-26 07:55:20,406 INFO L130 PetriNetUnfolder]: For 49405/49533 co-relation queries the response was YES. [2021-03-26 07:55:20,416 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11796 conditions, 961 events. 419/961 cut-off events. For 49405/49533 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 6614 event pairs, 25 based on Foata normal form. 16/936 useless extension candidates. Maximal degree in co-relation 11625. Up to 367 conditions per place. [2021-03-26 07:55:20,425 INFO L142 LiptonReduction]: Number of co-enabled transitions 582 [2021-03-26 07:55:20,453 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:20,453 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:20,454 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 186 [2021-03-26 07:55:20,455 INFO L480 AbstractCegarLoop]: Abstraction has has 446 places, 508 transitions, 10214 flow [2021-03-26 07:55:20,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:20,455 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:20,455 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:20,455 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2021-03-26 07:55:20,455 INFO L428 AbstractCegarLoop]: === Iteration 147 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:20,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:20,455 INFO L82 PathProgramCache]: Analyzing trace with hash -840851321, now seen corresponding path program 17 times [2021-03-26 07:55:20,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:20,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227102713] [2021-03-26 07:55:20,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:20,461 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:20,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:20,465 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:20,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:20,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:20,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:20,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:20,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:20,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:20,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:20,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:20,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:20,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:20,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:20,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:20,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:20,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:20,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:20,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:20,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:20,567 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:20,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:20,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:20,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227102713] [2021-03-26 07:55:20,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:20,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:55:20,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296559518] [2021-03-26 07:55:20,570 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:55:20,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:20,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:55:20,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:55:20,571 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 140 [2021-03-26 07:55:20,571 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 508 transitions, 10214 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:20,571 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:20,571 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 140 [2021-03-26 07:55:20,571 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:21,346 INFO L129 PetriNetUnfolder]: 651/1298 cut-off events. [2021-03-26 07:55:21,346 INFO L130 PetriNetUnfolder]: For 75826/75850 co-relation queries the response was YES. [2021-03-26 07:55:21,360 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16918 conditions, 1298 events. 651/1298 cut-off events. For 75826/75850 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 8181 event pairs, 153 based on Foata normal form. 18/1315 useless extension candidates. Maximal degree in co-relation 16742. Up to 1178 conditions per place. [2021-03-26 07:55:21,366 INFO L132 encePairwiseOnDemand]: 125/140 looper letters, 472 selfloop transitions, 29 changer transitions 6/515 dead transitions. [2021-03-26 07:55:21,367 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 459 places, 515 transitions, 11317 flow [2021-03-26 07:55:21,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:55:21,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:55:21,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 428 transitions. [2021-03-26 07:55:21,368 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21836734693877552 [2021-03-26 07:55:21,368 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 428 transitions. [2021-03-26 07:55:21,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 428 transitions. [2021-03-26 07:55:21,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:21,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 428 transitions. [2021-03-26 07:55:21,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 30.571428571428573) internal successors, (428), 14 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:21,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 140.0) internal successors, (2100), 15 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:21,369 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 140.0) internal successors, (2100), 15 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:21,369 INFO L185 Difference]: Start difference. First operand has 446 places, 508 transitions, 10214 flow. Second operand 14 states and 428 transitions. [2021-03-26 07:55:21,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 459 places, 515 transitions, 11317 flow [2021-03-26 07:55:21,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 515 transitions, 11165 flow, removed 4 selfloop flow, removed 12 redundant places. [2021-03-26 07:55:21,717 INFO L241 Difference]: Finished difference. Result has 449 places, 503 transitions, 10050 flow [2021-03-26 07:55:21,718 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=10062, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=508, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=479, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=10050, PETRI_PLACES=449, PETRI_TRANSITIONS=503} [2021-03-26 07:55:21,718 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 410 predicate places. [2021-03-26 07:55:21,718 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:21,718 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 449 places, 503 transitions, 10050 flow [2021-03-26 07:55:21,718 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 449 places, 503 transitions, 10050 flow [2021-03-26 07:55:21,722 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 439 places, 503 transitions, 10050 flow [2021-03-26 07:55:21,892 INFO L129 PetriNetUnfolder]: 415/946 cut-off events. [2021-03-26 07:55:21,892 INFO L130 PetriNetUnfolder]: For 47918/48023 co-relation queries the response was YES. [2021-03-26 07:55:21,901 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11554 conditions, 946 events. 415/946 cut-off events. For 47918/48023 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 6423 event pairs, 24 based on Foata normal form. 17/927 useless extension candidates. Maximal degree in co-relation 11398. Up to 364 conditions per place. [2021-03-26 07:55:21,911 INFO L142 LiptonReduction]: Number of co-enabled transitions 582 [2021-03-26 07:55:21,937 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:21,937 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:21,937 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 219 [2021-03-26 07:55:21,937 INFO L480 AbstractCegarLoop]: Abstraction has has 439 places, 503 transitions, 10050 flow [2021-03-26 07:55:21,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:21,937 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:21,937 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:21,937 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2021-03-26 07:55:21,938 INFO L428 AbstractCegarLoop]: === Iteration 148 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:21,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:21,938 INFO L82 PathProgramCache]: Analyzing trace with hash 922384645, now seen corresponding path program 18 times [2021-03-26 07:55:21,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:21,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323880190] [2021-03-26 07:55:21,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:21,944 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:21,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:21,948 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:21,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:21,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:21,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:21,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:21,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:21,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:21,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:21,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:21,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:21,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:21,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:22,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:22,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:22,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:22,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:22,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:22,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:22,052 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:22,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:22,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:22,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323880190] [2021-03-26 07:55:22,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:22,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:55:22,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936620620] [2021-03-26 07:55:22,054 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:55:22,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:22,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:55:22,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:55:22,055 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 140 [2021-03-26 07:55:22,055 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 503 transitions, 10050 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:22,055 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:22,055 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 140 [2021-03-26 07:55:22,055 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:22,804 INFO L129 PetriNetUnfolder]: 650/1291 cut-off events. [2021-03-26 07:55:22,804 INFO L130 PetriNetUnfolder]: For 74097/74114 co-relation queries the response was YES. [2021-03-26 07:55:22,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16730 conditions, 1291 events. 650/1291 cut-off events. For 74097/74114 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 8069 event pairs, 154 based on Foata normal form. 14/1304 useless extension candidates. Maximal degree in co-relation 16570. Up to 1137 conditions per place. [2021-03-26 07:55:22,823 INFO L132 encePairwiseOnDemand]: 124/140 looper letters, 437 selfloop transitions, 59 changer transitions 5/509 dead transitions. [2021-03-26 07:55:22,823 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 509 transitions, 11129 flow [2021-03-26 07:55:22,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:55:22,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:55:22,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 464 transitions. [2021-03-26 07:55:22,825 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22095238095238096 [2021-03-26 07:55:22,825 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 464 transitions. [2021-03-26 07:55:22,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 464 transitions. [2021-03-26 07:55:22,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:22,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 464 transitions. [2021-03-26 07:55:22,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 30.933333333333334) internal successors, (464), 15 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:22,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 140.0) internal successors, (2240), 16 states have internal predecessors, (2240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:22,826 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 140.0) internal successors, (2240), 16 states have internal predecessors, (2240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:22,826 INFO L185 Difference]: Start difference. First operand has 439 places, 503 transitions, 10050 flow. Second operand 15 states and 464 transitions. [2021-03-26 07:55:22,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 509 transitions, 11129 flow [2021-03-26 07:55:23,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 509 transitions, 11051 flow, removed 7 selfloop flow, removed 15 redundant places. [2021-03-26 07:55:23,151 INFO L241 Difference]: Finished difference. Result has 439 places, 498 transitions, 10034 flow [2021-03-26 07:55:23,151 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=9972, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=503, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=10034, PETRI_PLACES=439, PETRI_TRANSITIONS=498} [2021-03-26 07:55:23,152 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 400 predicate places. [2021-03-26 07:55:23,152 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:23,152 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 439 places, 498 transitions, 10034 flow [2021-03-26 07:55:23,152 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 439 places, 498 transitions, 10034 flow [2021-03-26 07:55:23,155 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 434 places, 498 transitions, 10034 flow [2021-03-26 07:55:23,293 INFO L129 PetriNetUnfolder]: 417/950 cut-off events. [2021-03-26 07:55:23,293 INFO L130 PetriNetUnfolder]: For 47301/47419 co-relation queries the response was YES. [2021-03-26 07:55:23,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11577 conditions, 950 events. 417/950 cut-off events. For 47301/47419 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 6476 event pairs, 25 based on Foata normal form. 12/921 useless extension candidates. Maximal degree in co-relation 11427. Up to 365 conditions per place. [2021-03-26 07:55:23,313 INFO L142 LiptonReduction]: Number of co-enabled transitions 582 [2021-03-26 07:55:23,341 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:23,341 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:23,341 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 189 [2021-03-26 07:55:23,342 INFO L480 AbstractCegarLoop]: Abstraction has has 434 places, 498 transitions, 10034 flow [2021-03-26 07:55:23,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:23,342 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:23,342 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:23,342 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2021-03-26 07:55:23,342 INFO L428 AbstractCegarLoop]: === Iteration 149 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:23,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:23,342 INFO L82 PathProgramCache]: Analyzing trace with hash 954466141, now seen corresponding path program 19 times [2021-03-26 07:55:23,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:23,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524145683] [2021-03-26 07:55:23,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:23,348 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:23,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:23,353 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:23,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:23,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:23,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:23,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:23,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:23,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:23,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:23,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:23,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:23,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:23,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:23,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:23,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:23,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:23,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:23,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:23,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:23,457 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:23,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:23,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:23,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524145683] [2021-03-26 07:55:23,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:23,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:55:23,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612160928] [2021-03-26 07:55:23,460 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:55:23,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:23,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:55:23,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:55:23,461 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 140 [2021-03-26 07:55:23,461 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 434 places, 498 transitions, 10034 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:23,461 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:23,461 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 140 [2021-03-26 07:55:23,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:24,198 INFO L129 PetriNetUnfolder]: 650/1281 cut-off events. [2021-03-26 07:55:24,198 INFO L130 PetriNetUnfolder]: For 73466/73481 co-relation queries the response was YES. [2021-03-26 07:55:24,210 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16671 conditions, 1281 events. 650/1281 cut-off events. For 73466/73481 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 7950 event pairs, 171 based on Foata normal form. 10/1289 useless extension candidates. Maximal degree in co-relation 16520. Up to 1134 conditions per place. [2021-03-26 07:55:24,216 INFO L132 encePairwiseOnDemand]: 124/140 looper letters, 436 selfloop transitions, 56 changer transitions 4/504 dead transitions. [2021-03-26 07:55:24,216 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 504 transitions, 11103 flow [2021-03-26 07:55:24,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:55:24,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:55:24,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 463 transitions. [2021-03-26 07:55:24,218 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22047619047619046 [2021-03-26 07:55:24,218 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 463 transitions. [2021-03-26 07:55:24,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 463 transitions. [2021-03-26 07:55:24,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:24,218 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 463 transitions. [2021-03-26 07:55:24,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 30.866666666666667) internal successors, (463), 15 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:24,219 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 140.0) internal successors, (2240), 16 states have internal predecessors, (2240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:24,219 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 140.0) internal successors, (2240), 16 states have internal predecessors, (2240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:24,219 INFO L185 Difference]: Start difference. First operand has 434 places, 498 transitions, 10034 flow. Second operand 15 states and 463 transitions. [2021-03-26 07:55:24,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 504 transitions, 11103 flow [2021-03-26 07:55:24,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 504 transitions, 10926 flow, removed 11 selfloop flow, removed 19 redundant places. [2021-03-26 07:55:24,520 INFO L241 Difference]: Finished difference. Result has 430 places, 494 transitions, 9929 flow [2021-03-26 07:55:24,521 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=9859, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=498, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=9929, PETRI_PLACES=430, PETRI_TRANSITIONS=494} [2021-03-26 07:55:24,521 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 391 predicate places. [2021-03-26 07:55:24,521 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:24,521 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 430 places, 494 transitions, 9929 flow [2021-03-26 07:55:24,521 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 430 places, 494 transitions, 9929 flow [2021-03-26 07:55:24,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 422 places, 494 transitions, 9929 flow [2021-03-26 07:55:24,675 INFO L129 PetriNetUnfolder]: 429/952 cut-off events. [2021-03-26 07:55:24,675 INFO L130 PetriNetUnfolder]: For 45861/46044 co-relation queries the response was YES. [2021-03-26 07:55:24,685 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11629 conditions, 952 events. 429/952 cut-off events. For 45861/46044 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 6375 event pairs, 27 based on Foata normal form. 19/930 useless extension candidates. Maximal degree in co-relation 11486. Up to 374 conditions per place. [2021-03-26 07:55:24,696 INFO L142 LiptonReduction]: Number of co-enabled transitions 578 [2021-03-26 07:55:24,724 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:24,724 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:24,724 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 203 [2021-03-26 07:55:24,724 INFO L480 AbstractCegarLoop]: Abstraction has has 422 places, 494 transitions, 9929 flow [2021-03-26 07:55:24,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:24,724 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:24,724 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:24,725 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2021-03-26 07:55:24,725 INFO L428 AbstractCegarLoop]: === Iteration 150 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:24,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:24,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1245679292, now seen corresponding path program 10 times [2021-03-26 07:55:24,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:24,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989571375] [2021-03-26 07:55:24,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:24,731 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:24,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:24,736 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:24,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:24,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:24,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:24,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:24,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:24,762 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:55:24,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:55:24,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:24,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:24,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:24,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:24,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:24,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:24,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:24,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:24,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:24,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:24,854 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:24,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:24,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:24,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989571375] [2021-03-26 07:55:24,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:24,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:55:24,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107113172] [2021-03-26 07:55:24,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:55:24,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:24,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:55:24,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:55:24,858 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 140 [2021-03-26 07:55:24,858 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 494 transitions, 9929 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:24,858 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:24,858 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 140 [2021-03-26 07:55:24,858 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:25,793 INFO L129 PetriNetUnfolder]: 673/1317 cut-off events. [2021-03-26 07:55:25,793 INFO L130 PetriNetUnfolder]: For 74286/74301 co-relation queries the response was YES. [2021-03-26 07:55:25,804 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17070 conditions, 1317 events. 673/1317 cut-off events. For 74286/74301 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 8207 event pairs, 118 based on Foata normal form. 10/1326 useless extension candidates. Maximal degree in co-relation 16923. Up to 1066 conditions per place. [2021-03-26 07:55:25,809 INFO L132 encePairwiseOnDemand]: 118/140 looper letters, 365 selfloop transitions, 146 changer transitions 2/521 dead transitions. [2021-03-26 07:55:25,810 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 521 transitions, 11549 flow [2021-03-26 07:55:25,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:55:25,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:55:25,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 528 transitions. [2021-03-26 07:55:25,811 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2357142857142857 [2021-03-26 07:55:25,811 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 528 transitions. [2021-03-26 07:55:25,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 528 transitions. [2021-03-26 07:55:25,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:25,811 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 528 transitions. [2021-03-26 07:55:25,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.0) internal successors, (528), 16 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:25,812 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 140.0) internal successors, (2380), 17 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:25,812 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 140.0) internal successors, (2380), 17 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:25,812 INFO L185 Difference]: Start difference. First operand has 422 places, 494 transitions, 9929 flow. Second operand 16 states and 528 transitions. [2021-03-26 07:55:25,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 521 transitions, 11549 flow [2021-03-26 07:55:26,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 521 transitions, 11429 flow, removed 4 selfloop flow, removed 12 redundant places. [2021-03-26 07:55:26,106 INFO L241 Difference]: Finished difference. Result has 429 places, 502 transitions, 10357 flow [2021-03-26 07:55:26,106 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=9809, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=141, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=10357, PETRI_PLACES=429, PETRI_TRANSITIONS=502} [2021-03-26 07:55:26,107 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 390 predicate places. [2021-03-26 07:55:26,107 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:26,107 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 429 places, 502 transitions, 10357 flow [2021-03-26 07:55:26,107 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 429 places, 502 transitions, 10357 flow [2021-03-26 07:55:26,110 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 427 places, 502 transitions, 10357 flow [2021-03-26 07:55:26,251 INFO L129 PetriNetUnfolder]: 432/965 cut-off events. [2021-03-26 07:55:26,251 INFO L130 PetriNetUnfolder]: For 48848/49029 co-relation queries the response was YES. [2021-03-26 07:55:26,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11962 conditions, 965 events. 432/965 cut-off events. For 48848/49029 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 6503 event pairs, 23 based on Foata normal form. 20/947 useless extension candidates. Maximal degree in co-relation 11816. Up to 380 conditions per place. [2021-03-26 07:55:26,271 INFO L142 LiptonReduction]: Number of co-enabled transitions 616 [2021-03-26 07:55:26,300 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:26,300 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:26,300 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 193 [2021-03-26 07:55:26,300 INFO L480 AbstractCegarLoop]: Abstraction has has 427 places, 502 transitions, 10357 flow [2021-03-26 07:55:26,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:26,300 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:26,301 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:26,301 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2021-03-26 07:55:26,301 INFO L428 AbstractCegarLoop]: === Iteration 151 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:26,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:26,301 INFO L82 PathProgramCache]: Analyzing trace with hash -15195779, now seen corresponding path program 20 times [2021-03-26 07:55:26,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:26,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625895938] [2021-03-26 07:55:26,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:26,307 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:26,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:26,311 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:26,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:26,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:26,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:26,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:26,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:26,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:26,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:26,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:26,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:26,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:26,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:26,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:26,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:26,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:26,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:26,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:26,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:26,414 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:26,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:26,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:26,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625895938] [2021-03-26 07:55:26,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:26,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:55:26,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992831983] [2021-03-26 07:55:26,417 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:55:26,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:26,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:55:26,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:55:26,418 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 140 [2021-03-26 07:55:26,418 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 502 transitions, 10357 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:26,418 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:26,418 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 140 [2021-03-26 07:55:26,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:27,234 INFO L129 PetriNetUnfolder]: 672/1314 cut-off events. [2021-03-26 07:55:27,234 INFO L130 PetriNetUnfolder]: For 77078/77095 co-relation queries the response was YES. [2021-03-26 07:55:27,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17400 conditions, 1314 events. 672/1314 cut-off events. For 77078/77095 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 8235 event pairs, 156 based on Foata normal form. 14/1327 useless extension candidates. Maximal degree in co-relation 17251. Up to 1169 conditions per place. [2021-03-26 07:55:27,256 INFO L132 encePairwiseOnDemand]: 124/140 looper letters, 442 selfloop transitions, 50 changer transitions 8/508 dead transitions. [2021-03-26 07:55:27,257 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 508 transitions, 11432 flow [2021-03-26 07:55:27,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:55:27,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:55:27,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 460 transitions. [2021-03-26 07:55:27,258 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21904761904761905 [2021-03-26 07:55:27,258 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 460 transitions. [2021-03-26 07:55:27,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 460 transitions. [2021-03-26 07:55:27,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:27,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 460 transitions. [2021-03-26 07:55:27,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 30.666666666666668) internal successors, (460), 15 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:27,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 140.0) internal successors, (2240), 16 states have internal predecessors, (2240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:27,259 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 140.0) internal successors, (2240), 16 states have internal predecessors, (2240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:27,259 INFO L185 Difference]: Start difference. First operand has 427 places, 502 transitions, 10357 flow. Second operand 15 states and 460 transitions. [2021-03-26 07:55:27,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 508 transitions, 11432 flow [2021-03-26 07:55:27,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 508 transitions, 11044 flow, removed 98 selfloop flow, removed 12 redundant places. [2021-03-26 07:55:27,616 INFO L241 Difference]: Finished difference. Result has 430 places, 494 transitions, 9954 flow [2021-03-26 07:55:27,616 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=9969, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=502, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=452, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=9954, PETRI_PLACES=430, PETRI_TRANSITIONS=494} [2021-03-26 07:55:27,616 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 391 predicate places. [2021-03-26 07:55:27,616 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:27,617 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 430 places, 494 transitions, 9954 flow [2021-03-26 07:55:27,617 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 430 places, 494 transitions, 9954 flow [2021-03-26 07:55:27,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 418 places, 494 transitions, 9954 flow [2021-03-26 07:55:27,760 INFO L129 PetriNetUnfolder]: 424/948 cut-off events. [2021-03-26 07:55:27,760 INFO L130 PetriNetUnfolder]: For 45972/46155 co-relation queries the response was YES. [2021-03-26 07:55:27,770 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11566 conditions, 948 events. 424/948 cut-off events. For 45972/46155 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 6399 event pairs, 19 based on Foata normal form. 21/932 useless extension candidates. Maximal degree in co-relation 11420. Up to 359 conditions per place. [2021-03-26 07:55:27,781 INFO L142 LiptonReduction]: Number of co-enabled transitions 612 [2021-03-26 07:55:27,859 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 07:55:27,859 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:55:27,859 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 243 [2021-03-26 07:55:27,859 INFO L480 AbstractCegarLoop]: Abstraction has has 418 places, 494 transitions, 9957 flow [2021-03-26 07:55:27,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:27,859 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:27,860 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:27,860 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2021-03-26 07:55:27,860 INFO L428 AbstractCegarLoop]: === Iteration 152 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:27,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:27,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1946166480, now seen corresponding path program 1 times [2021-03-26 07:55:27,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:27,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567994396] [2021-03-26 07:55:27,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:27,867 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:27,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:27,871 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:27,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:27,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:27,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:27,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:27,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:27,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:27,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:27,908 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:55:27,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:55:27,912 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:55:27,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:55:27,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:27,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:27,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:27,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:27,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:27,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:27,978 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:27,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:27,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:27,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567994396] [2021-03-26 07:55:27,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:27,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:55:27,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971907338] [2021-03-26 07:55:27,981 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:55:27,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:27,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:55:27,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:55:27,982 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 141 [2021-03-26 07:55:27,982 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 494 transitions, 9957 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:27,982 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:27,982 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 141 [2021-03-26 07:55:27,982 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:28,906 INFO L129 PetriNetUnfolder]: 684/1356 cut-off events. [2021-03-26 07:55:28,906 INFO L130 PetriNetUnfolder]: For 76870/76887 co-relation queries the response was YES. [2021-03-26 07:55:28,920 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17545 conditions, 1356 events. 684/1356 cut-off events. For 76870/76887 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 8583 event pairs, 115 based on Foata normal form. 15/1370 useless extension candidates. Maximal degree in co-relation 17393. Up to 1075 conditions per place. [2021-03-26 07:55:28,928 INFO L132 encePairwiseOnDemand]: 119/141 looper letters, 382 selfloop transitions, 145 changer transitions 5/540 dead transitions. [2021-03-26 07:55:28,928 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 435 places, 540 transitions, 12031 flow [2021-03-26 07:55:28,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 07:55:28,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 07:55:28,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 583 transitions. [2021-03-26 07:55:28,930 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2297084318360914 [2021-03-26 07:55:28,930 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 583 transitions. [2021-03-26 07:55:28,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 583 transitions. [2021-03-26 07:55:28,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:28,930 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 583 transitions. [2021-03-26 07:55:28,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 32.388888888888886) internal successors, (583), 18 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:28,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 141.0) internal successors, (2679), 19 states have internal predecessors, (2679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:28,931 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 141.0) internal successors, (2679), 19 states have internal predecessors, (2679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:28,931 INFO L185 Difference]: Start difference. First operand has 418 places, 494 transitions, 9957 flow. Second operand 18 states and 583 transitions. [2021-03-26 07:55:28,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 435 places, 540 transitions, 12031 flow [2021-03-26 07:55:29,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 416 places, 540 transitions, 11736 flow, removed 53 selfloop flow, removed 19 redundant places. [2021-03-26 07:55:29,245 INFO L241 Difference]: Finished difference. Result has 422 places, 513 transitions, 10572 flow [2021-03-26 07:55:29,246 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=9706, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=128, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=10572, PETRI_PLACES=422, PETRI_TRANSITIONS=513} [2021-03-26 07:55:29,246 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 383 predicate places. [2021-03-26 07:55:29,246 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:29,246 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 422 places, 513 transitions, 10572 flow [2021-03-26 07:55:29,246 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 422 places, 513 transitions, 10572 flow [2021-03-26 07:55:29,250 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 422 places, 513 transitions, 10572 flow [2021-03-26 07:55:29,408 INFO L129 PetriNetUnfolder]: 440/1002 cut-off events. [2021-03-26 07:55:29,408 INFO L130 PetriNetUnfolder]: For 51236/51419 co-relation queries the response was YES. [2021-03-26 07:55:29,419 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12357 conditions, 1002 events. 440/1002 cut-off events. For 51236/51419 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 6888 event pairs, 21 based on Foata normal form. 25/998 useless extension candidates. Maximal degree in co-relation 12195. Up to 382 conditions per place. [2021-03-26 07:55:29,430 INFO L142 LiptonReduction]: Number of co-enabled transitions 664 [2021-03-26 07:55:29,538 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-26 07:55:29,538 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 07:55:29,538 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 292 [2021-03-26 07:55:29,539 INFO L480 AbstractCegarLoop]: Abstraction has has 422 places, 513 transitions, 10603 flow [2021-03-26 07:55:29,539 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:29,539 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:29,539 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:29,539 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2021-03-26 07:55:29,539 INFO L428 AbstractCegarLoop]: === Iteration 153 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:29,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:29,539 INFO L82 PathProgramCache]: Analyzing trace with hash 102769680, now seen corresponding path program 11 times [2021-03-26 07:55:29,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:29,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529156783] [2021-03-26 07:55:29,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:29,546 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:29,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:29,551 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:29,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:29,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:29,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:29,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:29,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:29,577 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:55:29,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:55:29,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:29,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:29,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:29,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:29,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:29,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:29,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:29,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:29,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:29,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:29,667 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:29,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:29,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:29,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529156783] [2021-03-26 07:55:29,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:29,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:55:29,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136622174] [2021-03-26 07:55:29,670 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:55:29,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:29,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:55:29,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:55:29,670 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 143 [2021-03-26 07:55:29,670 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 513 transitions, 10603 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:29,670 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:29,670 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 143 [2021-03-26 07:55:29,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:30,506 INFO L129 PetriNetUnfolder]: 681/1354 cut-off events. [2021-03-26 07:55:30,506 INFO L130 PetriNetUnfolder]: For 77925/77955 co-relation queries the response was YES. [2021-03-26 07:55:30,518 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17678 conditions, 1354 events. 681/1354 cut-off events. For 77925/77955 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 8623 event pairs, 135 based on Foata normal form. 18/1371 useless extension candidates. Maximal degree in co-relation 17512. Up to 1112 conditions per place. [2021-03-26 07:55:30,525 INFO L132 encePairwiseOnDemand]: 122/143 looper letters, 375 selfloop transitions, 142 changer transitions 5/530 dead transitions. [2021-03-26 07:55:30,525 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 530 transitions, 11927 flow [2021-03-26 07:55:30,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 07:55:30,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 07:55:30,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 547 transitions. [2021-03-26 07:55:30,526 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22501028383381325 [2021-03-26 07:55:30,526 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 547 transitions. [2021-03-26 07:55:30,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 547 transitions. [2021-03-26 07:55:30,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:30,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 547 transitions. [2021-03-26 07:55:30,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.1764705882353) internal successors, (547), 17 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:30,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 143.0) internal successors, (2574), 18 states have internal predecessors, (2574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:30,528 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 143.0) internal successors, (2574), 18 states have internal predecessors, (2574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:30,528 INFO L185 Difference]: Start difference. First operand has 422 places, 513 transitions, 10603 flow. Second operand 17 states and 547 transitions. [2021-03-26 07:55:30,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 530 transitions, 11927 flow [2021-03-26 07:55:30,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 530 transitions, 11393 flow, removed 140 selfloop flow, removed 12 redundant places. [2021-03-26 07:55:30,801 INFO L241 Difference]: Finished difference. Result has 428 places, 512 transitions, 10345 flow [2021-03-26 07:55:30,801 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=10069, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=513, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=142, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=10345, PETRI_PLACES=428, PETRI_TRANSITIONS=512} [2021-03-26 07:55:30,801 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 389 predicate places. [2021-03-26 07:55:30,801 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:30,802 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 428 places, 512 transitions, 10345 flow [2021-03-26 07:55:30,802 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 428 places, 512 transitions, 10345 flow [2021-03-26 07:55:30,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 426 places, 512 transitions, 10345 flow [2021-03-26 07:55:30,938 INFO L129 PetriNetUnfolder]: 435/985 cut-off events. [2021-03-26 07:55:30,938 INFO L130 PetriNetUnfolder]: For 46072/46222 co-relation queries the response was YES. [2021-03-26 07:55:30,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11959 conditions, 985 events. 435/985 cut-off events. For 46072/46222 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 6669 event pairs, 19 based on Foata normal form. 21/975 useless extension candidates. Maximal degree in co-relation 11814. Up to 363 conditions per place. [2021-03-26 07:55:30,956 INFO L142 LiptonReduction]: Number of co-enabled transitions 664 [2021-03-26 07:55:30,984 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:30,984 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:30,985 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 184 [2021-03-26 07:55:30,985 INFO L480 AbstractCegarLoop]: Abstraction has has 426 places, 512 transitions, 10345 flow [2021-03-26 07:55:30,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:30,985 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:30,985 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:30,985 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2021-03-26 07:55:30,985 INFO L428 AbstractCegarLoop]: === Iteration 154 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:30,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:30,985 INFO L82 PathProgramCache]: Analyzing trace with hash 607154170, now seen corresponding path program 1 times [2021-03-26 07:55:30,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:30,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467476762] [2021-03-26 07:55:30,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:30,991 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:30,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:30,995 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:30,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:31,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:31,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:31,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:31,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:31,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:31,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:31,030 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:55:31,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:55:31,033 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:55:31,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:55:31,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:31,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:31,068 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:55:31,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:31,083 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:31,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:31,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:31,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467476762] [2021-03-26 07:55:31,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:31,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:55:31,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589071858] [2021-03-26 07:55:31,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:55:31,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:31,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:55:31,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:55:31,087 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 143 [2021-03-26 07:55:31,087 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 512 transitions, 10345 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:31,087 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:31,087 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 143 [2021-03-26 07:55:31,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:31,927 INFO L129 PetriNetUnfolder]: 680/1350 cut-off events. [2021-03-26 07:55:31,927 INFO L130 PetriNetUnfolder]: For 74961/74978 co-relation queries the response was YES. [2021-03-26 07:55:31,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17554 conditions, 1350 events. 680/1350 cut-off events. For 74961/74978 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 8613 event pairs, 92 based on Foata normal form. 14/1363 useless extension candidates. Maximal degree in co-relation 17405. Up to 1018 conditions per place. [2021-03-26 07:55:31,946 INFO L132 encePairwiseOnDemand]: 120/143 looper letters, 365 selfloop transitions, 162 changer transitions 3/538 dead transitions. [2021-03-26 07:55:31,947 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 538 transitions, 11963 flow [2021-03-26 07:55:31,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:55:31,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:55:31,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 481 transitions. [2021-03-26 07:55:31,948 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24025974025974026 [2021-03-26 07:55:31,948 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 481 transitions. [2021-03-26 07:55:31,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 481 transitions. [2021-03-26 07:55:31,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:31,948 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 481 transitions. [2021-03-26 07:55:31,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 34.357142857142854) internal successors, (481), 14 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:31,949 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 143.0) internal successors, (2145), 15 states have internal predecessors, (2145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:31,949 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 143.0) internal successors, (2145), 15 states have internal predecessors, (2145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:31,949 INFO L185 Difference]: Start difference. First operand has 426 places, 512 transitions, 10345 flow. Second operand 14 states and 481 transitions. [2021-03-26 07:55:31,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 538 transitions, 11963 flow [2021-03-26 07:55:32,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 538 transitions, 11646 flow, removed 9 selfloop flow, removed 16 redundant places. [2021-03-26 07:55:32,247 INFO L241 Difference]: Finished difference. Result has 425 places, 510 transitions, 10411 flow [2021-03-26 07:55:32,248 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=10040, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=162, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=10411, PETRI_PLACES=425, PETRI_TRANSITIONS=510} [2021-03-26 07:55:32,248 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 386 predicate places. [2021-03-26 07:55:32,248 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:32,248 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 425 places, 510 transitions, 10411 flow [2021-03-26 07:55:32,248 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 425 places, 510 transitions, 10411 flow [2021-03-26 07:55:32,252 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 425 places, 510 transitions, 10411 flow [2021-03-26 07:55:32,389 INFO L129 PetriNetUnfolder]: 425/976 cut-off events. [2021-03-26 07:55:32,390 INFO L130 PetriNetUnfolder]: For 46110/46225 co-relation queries the response was YES. [2021-03-26 07:55:32,399 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12014 conditions, 976 events. 425/976 cut-off events. For 46110/46225 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 6697 event pairs, 21 based on Foata normal form. 13/963 useless extension candidates. Maximal degree in co-relation 11852. Up to 364 conditions per place. [2021-03-26 07:55:32,409 INFO L142 LiptonReduction]: Number of co-enabled transitions 658 [2021-03-26 07:55:32,438 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:32,438 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:32,438 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 190 [2021-03-26 07:55:32,439 INFO L480 AbstractCegarLoop]: Abstraction has has 425 places, 510 transitions, 10411 flow [2021-03-26 07:55:32,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:32,439 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:32,439 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:32,439 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2021-03-26 07:55:32,439 INFO L428 AbstractCegarLoop]: === Iteration 155 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:32,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:32,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1201904468, now seen corresponding path program 2 times [2021-03-26 07:55:32,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:32,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5841992] [2021-03-26 07:55:32,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:32,446 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:32,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:32,450 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:32,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:32,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:32,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:32,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:32,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:32,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:32,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:32,487 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:55:32,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:55:32,490 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:55:32,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:55:32,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:32,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:32,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:32,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:32,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:32,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:32,541 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:32,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:32,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:32,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5841992] [2021-03-26 07:55:32,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:32,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:55:32,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334791203] [2021-03-26 07:55:32,544 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:55:32,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:32,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:55:32,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:55:32,545 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 143 [2021-03-26 07:55:32,545 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 510 transitions, 10411 flow. Second operand has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:32,545 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:32,545 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 143 [2021-03-26 07:55:32,545 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:33,305 INFO L129 PetriNetUnfolder]: 684/1369 cut-off events. [2021-03-26 07:55:33,306 INFO L130 PetriNetUnfolder]: For 74990/75021 co-relation queries the response was YES. [2021-03-26 07:55:33,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17797 conditions, 1369 events. 684/1369 cut-off events. For 74990/75021 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 8812 event pairs, 137 based on Foata normal form. 19/1386 useless extension candidates. Maximal degree in co-relation 17631. Up to 1118 conditions per place. [2021-03-26 07:55:33,326 INFO L132 encePairwiseOnDemand]: 121/143 looper letters, 389 selfloop transitions, 139 changer transitions 4/540 dead transitions. [2021-03-26 07:55:33,326 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 540 transitions, 12032 flow [2021-03-26 07:55:33,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:55:33,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:55:33,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 488 transitions. [2021-03-26 07:55:33,327 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2275058275058275 [2021-03-26 07:55:33,327 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 488 transitions. [2021-03-26 07:55:33,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 488 transitions. [2021-03-26 07:55:33,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:33,327 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 488 transitions. [2021-03-26 07:55:33,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.53333333333333) internal successors, (488), 15 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:33,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 143.0) internal successors, (2288), 16 states have internal predecessors, (2288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:33,329 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 143.0) internal successors, (2288), 16 states have internal predecessors, (2288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:33,329 INFO L185 Difference]: Start difference. First operand has 425 places, 510 transitions, 10411 flow. Second operand 15 states and 488 transitions. [2021-03-26 07:55:33,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 540 transitions, 12032 flow [2021-03-26 07:55:33,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 540 transitions, 11629 flow, removed 2 selfloop flow, removed 15 redundant places. [2021-03-26 07:55:33,645 INFO L241 Difference]: Finished difference. Result has 428 places, 518 transitions, 10519 flow [2021-03-26 07:55:33,646 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=10008, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=510, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=10519, PETRI_PLACES=428, PETRI_TRANSITIONS=518} [2021-03-26 07:55:33,646 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 389 predicate places. [2021-03-26 07:55:33,646 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:33,646 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 428 places, 518 transitions, 10519 flow [2021-03-26 07:55:33,646 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 428 places, 518 transitions, 10519 flow [2021-03-26 07:55:33,650 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 428 places, 518 transitions, 10519 flow [2021-03-26 07:55:33,824 INFO L129 PetriNetUnfolder]: 440/1011 cut-off events. [2021-03-26 07:55:33,825 INFO L130 PetriNetUnfolder]: For 48877/49007 co-relation queries the response was YES. [2021-03-26 07:55:33,834 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12300 conditions, 1011 events. 440/1011 cut-off events. For 48877/49007 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 6986 event pairs, 19 based on Foata normal form. 25/1009 useless extension candidates. Maximal degree in co-relation 12136. Up to 375 conditions per place. [2021-03-26 07:55:33,845 INFO L142 LiptonReduction]: Number of co-enabled transitions 676 [2021-03-26 07:55:33,873 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:33,873 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:33,873 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 227 [2021-03-26 07:55:33,873 INFO L480 AbstractCegarLoop]: Abstraction has has 428 places, 518 transitions, 10519 flow [2021-03-26 07:55:33,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:33,873 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:33,873 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:33,873 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2021-03-26 07:55:33,873 INFO L428 AbstractCegarLoop]: === Iteration 156 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:33,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:33,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1261782889, now seen corresponding path program 1 times [2021-03-26 07:55:33,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:33,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918195968] [2021-03-26 07:55:33,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:33,880 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:33,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:33,884 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:33,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:33,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:33,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:33,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:33,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:33,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:33,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:33,921 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:55:33,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:55:33,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:33,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:33,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:33,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:33,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:33,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:33,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:33,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:33,978 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:33,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:33,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:33,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918195968] [2021-03-26 07:55:33,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:33,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:55:33,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832647207] [2021-03-26 07:55:33,981 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:55:33,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:33,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:55:33,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:55:33,981 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 143 [2021-03-26 07:55:33,981 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 518 transitions, 10519 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:33,981 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:33,982 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 143 [2021-03-26 07:55:33,982 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:34,896 INFO L129 PetriNetUnfolder]: 710/1430 cut-off events. [2021-03-26 07:55:34,897 INFO L130 PetriNetUnfolder]: For 81201/81205 co-relation queries the response was YES. [2021-03-26 07:55:34,910 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18771 conditions, 1430 events. 710/1430 cut-off events. For 81201/81205 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 9287 event pairs, 109 based on Foata normal form. 6/1435 useless extension candidates. Maximal degree in co-relation 18603. Up to 1102 conditions per place. [2021-03-26 07:55:34,917 INFO L132 encePairwiseOnDemand]: 120/143 looper letters, 396 selfloop transitions, 169 changer transitions 10/583 dead transitions. [2021-03-26 07:55:34,917 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 583 transitions, 13465 flow [2021-03-26 07:55:34,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 07:55:34,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 07:55:34,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 564 transitions. [2021-03-26 07:55:34,918 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23200329082682025 [2021-03-26 07:55:34,918 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 564 transitions. [2021-03-26 07:55:34,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 564 transitions. [2021-03-26 07:55:34,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:34,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 564 transitions. [2021-03-26 07:55:34,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 33.1764705882353) internal successors, (564), 17 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:34,920 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 143.0) internal successors, (2574), 18 states have internal predecessors, (2574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:34,920 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 143.0) internal successors, (2574), 18 states have internal predecessors, (2574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:34,920 INFO L185 Difference]: Start difference. First operand has 428 places, 518 transitions, 10519 flow. Second operand 17 states and 564 transitions. [2021-03-26 07:55:34,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 583 transitions, 13465 flow [2021-03-26 07:55:35,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 432 places, 583 transitions, 13170 flow, removed 14 selfloop flow, removed 12 redundant places. [2021-03-26 07:55:35,229 INFO L241 Difference]: Finished difference. Result has 439 places, 552 transitions, 11741 flow [2021-03-26 07:55:35,229 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=10255, PETRI_DIFFERENCE_MINUEND_PLACES=416, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=518, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=137, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=11741, PETRI_PLACES=439, PETRI_TRANSITIONS=552} [2021-03-26 07:55:35,230 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 400 predicate places. [2021-03-26 07:55:35,230 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:35,230 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 439 places, 552 transitions, 11741 flow [2021-03-26 07:55:35,230 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 439 places, 552 transitions, 11741 flow [2021-03-26 07:55:35,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 438 places, 552 transitions, 11741 flow [2021-03-26 07:55:35,393 INFO L129 PetriNetUnfolder]: 467/1063 cut-off events. [2021-03-26 07:55:35,393 INFO L130 PetriNetUnfolder]: For 57156/57377 co-relation queries the response was YES. [2021-03-26 07:55:35,405 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13596 conditions, 1063 events. 467/1063 cut-off events. For 57156/57377 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 7416 event pairs, 20 based on Foata normal form. 20/1053 useless extension candidates. Maximal degree in co-relation 13427. Up to 387 conditions per place. [2021-03-26 07:55:35,416 INFO L142 LiptonReduction]: Number of co-enabled transitions 672 [2021-03-26 07:55:35,450 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:35,450 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:35,450 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 220 [2021-03-26 07:55:35,450 INFO L480 AbstractCegarLoop]: Abstraction has has 438 places, 552 transitions, 11741 flow [2021-03-26 07:55:35,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:35,450 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:35,450 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:35,451 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2021-03-26 07:55:35,451 INFO L428 AbstractCegarLoop]: === Iteration 157 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:35,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:35,451 INFO L82 PathProgramCache]: Analyzing trace with hash 2039602329, now seen corresponding path program 2 times [2021-03-26 07:55:35,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:35,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969959144] [2021-03-26 07:55:35,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:35,458 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:35,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:35,463 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:35,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:35,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:35,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:35,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:35,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:35,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:35,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:35,504 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:55:35,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:55:35,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:35,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:35,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:35,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:35,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:35,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:35,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:35,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:35,553 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:35,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:35,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:35,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969959144] [2021-03-26 07:55:35,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:35,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:55:35,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696947830] [2021-03-26 07:55:35,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:55:35,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:35,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:55:35,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:55:35,556 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 143 [2021-03-26 07:55:35,556 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 552 transitions, 11741 flow. Second operand has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:35,556 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:35,556 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 143 [2021-03-26 07:55:35,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:36,424 INFO L129 PetriNetUnfolder]: 705/1419 cut-off events. [2021-03-26 07:55:36,424 INFO L130 PetriNetUnfolder]: For 85663/85680 co-relation queries the response was YES. [2021-03-26 07:55:36,439 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19155 conditions, 1419 events. 705/1419 cut-off events. For 85663/85680 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 9252 event pairs, 109 based on Foata normal form. 15/1433 useless extension candidates. Maximal degree in co-relation 18982. Up to 1115 conditions per place. [2021-03-26 07:55:36,445 INFO L132 encePairwiseOnDemand]: 120/143 looper letters, 389 selfloop transitions, 170 changer transitions 5/572 dead transitions. [2021-03-26 07:55:36,445 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 572 transitions, 13287 flow [2021-03-26 07:55:36,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:55:36,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:55:36,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 499 transitions. [2021-03-26 07:55:36,447 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23263403263403262 [2021-03-26 07:55:36,447 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 499 transitions. [2021-03-26 07:55:36,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 499 transitions. [2021-03-26 07:55:36,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:36,447 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 499 transitions. [2021-03-26 07:55:36,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.266666666666666) internal successors, (499), 15 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:36,448 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 143.0) internal successors, (2288), 16 states have internal predecessors, (2288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:36,448 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 143.0) internal successors, (2288), 16 states have internal predecessors, (2288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:36,448 INFO L185 Difference]: Start difference. First operand has 438 places, 552 transitions, 11741 flow. Second operand 15 states and 499 transitions. [2021-03-26 07:55:36,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 572 transitions, 13287 flow [2021-03-26 07:55:36,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 572 transitions, 12802 flow, removed 159 selfloop flow, removed 11 redundant places. [2021-03-26 07:55:36,796 INFO L241 Difference]: Finished difference. Result has 445 places, 550 transitions, 11701 flow [2021-03-26 07:55:36,796 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=11258, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=170, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=11701, PETRI_PLACES=445, PETRI_TRANSITIONS=550} [2021-03-26 07:55:36,796 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 406 predicate places. [2021-03-26 07:55:36,796 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:36,796 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 445 places, 550 transitions, 11701 flow [2021-03-26 07:55:36,796 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 445 places, 550 transitions, 11701 flow [2021-03-26 07:55:36,800 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 443 places, 550 transitions, 11701 flow [2021-03-26 07:55:36,962 INFO L129 PetriNetUnfolder]: 464/1059 cut-off events. [2021-03-26 07:55:36,962 INFO L130 PetriNetUnfolder]: For 55179/55454 co-relation queries the response was YES. [2021-03-26 07:55:36,972 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13385 conditions, 1059 events. 464/1059 cut-off events. For 55179/55454 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 7321 event pairs, 20 based on Foata normal form. 27/1053 useless extension candidates. Maximal degree in co-relation 13228. Up to 365 conditions per place. [2021-03-26 07:55:36,983 INFO L142 LiptonReduction]: Number of co-enabled transitions 668 [2021-03-26 07:55:37,016 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:37,016 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:37,017 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 221 [2021-03-26 07:55:37,017 INFO L480 AbstractCegarLoop]: Abstraction has has 443 places, 550 transitions, 11701 flow [2021-03-26 07:55:37,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:37,017 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:37,017 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:37,017 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2021-03-26 07:55:37,017 INFO L428 AbstractCegarLoop]: === Iteration 158 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:37,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:37,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1225928660, now seen corresponding path program 3 times [2021-03-26 07:55:37,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:37,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686704407] [2021-03-26 07:55:37,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:37,024 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:37,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:37,028 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:37,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:37,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:37,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:37,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:37,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:37,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:37,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:37,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:37,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:37,078 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:55:37,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:55:37,104 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:55:37,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:55:37,130 INFO L142 QuantifierPusher]: treesize reduction 35, result has 44.4 percent of original size [2021-03-26 07:55:37,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 07:55:37,133 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:55:37,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:37,147 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:37,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:37,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:37,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686704407] [2021-03-26 07:55:37,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:37,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:55:37,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541659903] [2021-03-26 07:55:37,150 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:55:37,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:37,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:55:37,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:55:37,151 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 143 [2021-03-26 07:55:37,151 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 550 transitions, 11701 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:37,151 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:37,151 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 143 [2021-03-26 07:55:37,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:38,061 INFO L129 PetriNetUnfolder]: 733/1472 cut-off events. [2021-03-26 07:55:38,062 INFO L130 PetriNetUnfolder]: For 89202/89219 co-relation queries the response was YES. [2021-03-26 07:55:38,076 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20142 conditions, 1472 events. 733/1472 cut-off events. For 89202/89219 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 9603 event pairs, 131 based on Foata normal form. 15/1486 useless extension candidates. Maximal degree in co-relation 19981. Up to 1269 conditions per place. [2021-03-26 07:55:38,084 INFO L132 encePairwiseOnDemand]: 124/143 looper letters, 503 selfloop transitions, 85 changer transitions 4/600 dead transitions. [2021-03-26 07:55:38,085 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 459 places, 600 transitions, 14416 flow [2021-03-26 07:55:38,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 07:55:38,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 07:55:38,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 549 transitions. [2021-03-26 07:55:38,086 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2258329905388729 [2021-03-26 07:55:38,086 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 549 transitions. [2021-03-26 07:55:38,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 549 transitions. [2021-03-26 07:55:38,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:38,086 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 549 transitions. [2021-03-26 07:55:38,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.294117647058826) internal successors, (549), 17 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:38,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 143.0) internal successors, (2574), 18 states have internal predecessors, (2574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:38,087 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 143.0) internal successors, (2574), 18 states have internal predecessors, (2574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:38,088 INFO L185 Difference]: Start difference. First operand has 443 places, 550 transitions, 11701 flow. Second operand 17 states and 549 transitions. [2021-03-26 07:55:38,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 459 places, 600 transitions, 14416 flow [2021-03-26 07:55:38,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 600 transitions, 13881 flow, removed 5 selfloop flow, removed 18 redundant places. [2021-03-26 07:55:38,461 INFO L241 Difference]: Finished difference. Result has 449 places, 579 transitions, 12501 flow [2021-03-26 07:55:38,462 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=11245, PETRI_DIFFERENCE_MINUEND_PLACES=425, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=550, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=469, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=12501, PETRI_PLACES=449, PETRI_TRANSITIONS=579} [2021-03-26 07:55:38,462 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 410 predicate places. [2021-03-26 07:55:38,462 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:38,462 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 449 places, 579 transitions, 12501 flow [2021-03-26 07:55:38,462 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 449 places, 579 transitions, 12501 flow [2021-03-26 07:55:38,466 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 449 places, 579 transitions, 12501 flow [2021-03-26 07:55:38,639 INFO L129 PetriNetUnfolder]: 490/1108 cut-off events. [2021-03-26 07:55:38,639 INFO L130 PetriNetUnfolder]: For 59105/59338 co-relation queries the response was YES. [2021-03-26 07:55:38,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14157 conditions, 1108 events. 490/1108 cut-off events. For 59105/59338 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 7724 event pairs, 18 based on Foata normal form. 23/1100 useless extension candidates. Maximal degree in co-relation 13982. Up to 382 conditions per place. [2021-03-26 07:55:38,664 INFO L142 LiptonReduction]: Number of co-enabled transitions 680 [2021-03-26 07:55:38,776 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:38,776 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:55:38,776 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 314 [2021-03-26 07:55:38,777 INFO L480 AbstractCegarLoop]: Abstraction has has 449 places, 579 transitions, 12517 flow [2021-03-26 07:55:38,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:38,777 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:38,777 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:38,777 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2021-03-26 07:55:38,777 INFO L428 AbstractCegarLoop]: === Iteration 159 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:38,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:38,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1662920886, now seen corresponding path program 4 times [2021-03-26 07:55:38,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:38,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060994047] [2021-03-26 07:55:38,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:38,784 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:38,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:38,788 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:38,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:38,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:38,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:38,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:38,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:38,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:38,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:38,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:38,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:38,838 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:55:38,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:55:38,863 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:55:38,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:55:38,888 INFO L142 QuantifierPusher]: treesize reduction 35, result has 44.4 percent of original size [2021-03-26 07:55:38,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 07:55:38,891 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:55:38,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:38,906 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:38,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:38,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:38,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060994047] [2021-03-26 07:55:38,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:38,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:55:38,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669727609] [2021-03-26 07:55:38,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:55:38,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:38,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:55:38,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:55:38,909 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:55:38,909 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 579 transitions, 12517 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:38,909 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:38,909 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:55:38,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:40,022 INFO L129 PetriNetUnfolder]: 765/1535 cut-off events. [2021-03-26 07:55:40,023 INFO L130 PetriNetUnfolder]: For 95869/95873 co-relation queries the response was YES. [2021-03-26 07:55:40,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21183 conditions, 1535 events. 765/1535 cut-off events. For 95869/95873 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 10171 event pairs, 113 based on Foata normal form. 6/1540 useless extension candidates. Maximal degree in co-relation 21004. Up to 1131 conditions per place. [2021-03-26 07:55:40,048 INFO L132 encePairwiseOnDemand]: 120/144 looper letters, 390 selfloop transitions, 239 changer transitions 13/650 dead transitions. [2021-03-26 07:55:40,049 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 650 transitions, 15869 flow [2021-03-26 07:55:40,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 07:55:40,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 07:55:40,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 595 transitions. [2021-03-26 07:55:40,050 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22955246913580246 [2021-03-26 07:55:40,050 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 595 transitions. [2021-03-26 07:55:40,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 595 transitions. [2021-03-26 07:55:40,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:40,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 595 transitions. [2021-03-26 07:55:40,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 33.05555555555556) internal successors, (595), 18 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:40,051 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 144.0) internal successors, (2736), 19 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:40,052 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 144.0) internal successors, (2736), 19 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:40,052 INFO L185 Difference]: Start difference. First operand has 449 places, 579 transitions, 12517 flow. Second operand 18 states and 595 transitions. [2021-03-26 07:55:40,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 650 transitions, 15869 flow [2021-03-26 07:55:40,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 650 transitions, 15662 flow, removed 72 selfloop flow, removed 7 redundant places. [2021-03-26 07:55:40,509 INFO L241 Difference]: Finished difference. Result has 466 places, 621 transitions, 14280 flow [2021-03-26 07:55:40,509 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=12322, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=579, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=198, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=14280, PETRI_PLACES=466, PETRI_TRANSITIONS=621} [2021-03-26 07:55:40,509 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 427 predicate places. [2021-03-26 07:55:40,509 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:40,509 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 466 places, 621 transitions, 14280 flow [2021-03-26 07:55:40,509 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 466 places, 621 transitions, 14280 flow [2021-03-26 07:55:40,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 465 places, 621 transitions, 14280 flow [2021-03-26 07:55:40,709 INFO L129 PetriNetUnfolder]: 511/1157 cut-off events. [2021-03-26 07:55:40,709 INFO L130 PetriNetUnfolder]: For 65553/65757 co-relation queries the response was YES. [2021-03-26 07:55:40,722 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15526 conditions, 1157 events. 511/1157 cut-off events. For 65553/65757 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 8159 event pairs, 18 based on Foata normal form. 26/1155 useless extension candidates. Maximal degree in co-relation 15343. Up to 395 conditions per place. [2021-03-26 07:55:40,735 INFO L142 LiptonReduction]: Number of co-enabled transitions 694 [2021-03-26 07:55:40,776 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:40,776 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:40,777 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 268 [2021-03-26 07:55:40,777 INFO L480 AbstractCegarLoop]: Abstraction has has 465 places, 621 transitions, 14280 flow [2021-03-26 07:55:40,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:40,777 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:40,777 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:40,777 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2021-03-26 07:55:40,777 INFO L428 AbstractCegarLoop]: === Iteration 160 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:40,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:40,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1276615995, now seen corresponding path program 1 times [2021-03-26 07:55:40,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:40,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941933687] [2021-03-26 07:55:40,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:40,783 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:40,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:40,788 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:40,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:40,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:40,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:40,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:40,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:40,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:40,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:40,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:40,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:40,837 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:55:40,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:55:40,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:40,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:40,876 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:55:40,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:40,891 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:40,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:40,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:40,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941933687] [2021-03-26 07:55:40,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:40,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:55:40,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441700983] [2021-03-26 07:55:40,893 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:55:40,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:40,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:55:40,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:55:40,894 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:55:40,894 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 465 places, 621 transitions, 14280 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:40,894 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:40,894 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:55:40,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:41,904 INFO L129 PetriNetUnfolder]: 760/1523 cut-off events. [2021-03-26 07:55:41,904 INFO L130 PetriNetUnfolder]: For 100682/100699 co-relation queries the response was YES. [2021-03-26 07:55:41,919 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21711 conditions, 1523 events. 760/1523 cut-off events. For 100682/100699 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 10101 event pairs, 130 based on Foata normal form. 14/1536 useless extension candidates. Maximal degree in co-relation 21524. Up to 1343 conditions per place. [2021-03-26 07:55:41,928 INFO L132 encePairwiseOnDemand]: 126/144 looper letters, 546 selfloop transitions, 76 changer transitions 5/635 dead transitions. [2021-03-26 07:55:41,928 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 635 transitions, 15750 flow [2021-03-26 07:55:41,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:55:41,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:55:41,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 511 transitions. [2021-03-26 07:55:41,929 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22178819444444445 [2021-03-26 07:55:41,929 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 511 transitions. [2021-03-26 07:55:41,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 511 transitions. [2021-03-26 07:55:41,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:41,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 511 transitions. [2021-03-26 07:55:41,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.9375) internal successors, (511), 16 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:41,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 144.0) internal successors, (2448), 17 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:41,931 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 144.0) internal successors, (2448), 17 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:41,931 INFO L185 Difference]: Start difference. First operand has 465 places, 621 transitions, 14280 flow. Second operand 16 states and 511 transitions. [2021-03-26 07:55:41,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 635 transitions, 15750 flow [2021-03-26 07:55:42,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 468 places, 635 transitions, 15133 flow, removed 180 selfloop flow, removed 12 redundant places. [2021-03-26 07:55:42,462 INFO L241 Difference]: Finished difference. Result has 472 places, 620 transitions, 13796 flow [2021-03-26 07:55:42,463 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=13663, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=621, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=545, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=13796, PETRI_PLACES=472, PETRI_TRANSITIONS=620} [2021-03-26 07:55:42,463 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 433 predicate places. [2021-03-26 07:55:42,463 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:42,463 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 472 places, 620 transitions, 13796 flow [2021-03-26 07:55:42,463 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 472 places, 620 transitions, 13796 flow [2021-03-26 07:55:42,468 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 470 places, 620 transitions, 13796 flow [2021-03-26 07:55:42,694 INFO L129 PetriNetUnfolder]: 512/1156 cut-off events. [2021-03-26 07:55:42,695 INFO L130 PetriNetUnfolder]: For 63712/63965 co-relation queries the response was YES. [2021-03-26 07:55:42,708 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15124 conditions, 1156 events. 512/1156 cut-off events. For 63712/63965 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 8121 event pairs, 18 based on Foata normal form. 30/1160 useless extension candidates. Maximal degree in co-relation 14939. Up to 364 conditions per place. [2021-03-26 07:55:42,723 INFO L142 LiptonReduction]: Number of co-enabled transitions 692 [2021-03-26 07:55:42,765 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:42,765 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:42,765 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 302 [2021-03-26 07:55:42,766 INFO L480 AbstractCegarLoop]: Abstraction has has 470 places, 620 transitions, 13796 flow [2021-03-26 07:55:42,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:42,766 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:42,766 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:42,766 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2021-03-26 07:55:42,766 INFO L428 AbstractCegarLoop]: === Iteration 161 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:42,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:42,766 INFO L82 PathProgramCache]: Analyzing trace with hash 429039739, now seen corresponding path program 2 times [2021-03-26 07:55:42,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:42,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892880846] [2021-03-26 07:55:42,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:42,773 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:42,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:42,778 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:42,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:42,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:42,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:42,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:42,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:42,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:42,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:42,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:42,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:42,839 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:55:42,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:55:42,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:42,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:42,882 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:55:42,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:42,899 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:42,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:42,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:42,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892880846] [2021-03-26 07:55:42,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:42,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:55:42,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749556129] [2021-03-26 07:55:42,903 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:55:42,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:42,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:55:42,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:55:42,903 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:55:42,903 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 620 transitions, 13796 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:42,903 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:42,903 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:55:42,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:44,157 INFO L129 PetriNetUnfolder]: 768/1535 cut-off events. [2021-03-26 07:55:44,157 INFO L130 PetriNetUnfolder]: For 97492/97509 co-relation queries the response was YES. [2021-03-26 07:55:44,174 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21528 conditions, 1535 events. 768/1535 cut-off events. For 97492/97509 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 10140 event pairs, 153 based on Foata normal form. 14/1548 useless extension candidates. Maximal degree in co-relation 21339. Up to 1266 conditions per place. [2021-03-26 07:55:44,183 INFO L132 encePairwiseOnDemand]: 122/144 looper letters, 448 selfloop transitions, 188 changer transitions 8/652 dead transitions. [2021-03-26 07:55:44,183 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 652 transitions, 15810 flow [2021-03-26 07:55:44,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 07:55:44,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 07:55:44,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 627 transitions. [2021-03-26 07:55:44,184 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21770833333333334 [2021-03-26 07:55:44,184 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 627 transitions. [2021-03-26 07:55:44,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 627 transitions. [2021-03-26 07:55:44,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:44,185 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 627 transitions. [2021-03-26 07:55:44,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 31.35) internal successors, (627), 20 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:44,186 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 144.0) internal successors, (3024), 21 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:44,186 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 144.0) internal successors, (3024), 21 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:44,186 INFO L185 Difference]: Start difference. First operand has 470 places, 620 transitions, 13796 flow. Second operand 20 states and 627 transitions. [2021-03-26 07:55:44,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 652 transitions, 15810 flow [2021-03-26 07:55:44,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 471 places, 652 transitions, 15626 flow, removed 10 selfloop flow, removed 18 redundant places. [2021-03-26 07:55:44,656 INFO L241 Difference]: Finished difference. Result has 479 places, 633 transitions, 14303 flow [2021-03-26 07:55:44,657 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=13614, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=620, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=171, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=14303, PETRI_PLACES=479, PETRI_TRANSITIONS=633} [2021-03-26 07:55:44,657 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 440 predicate places. [2021-03-26 07:55:44,657 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:44,657 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 479 places, 633 transitions, 14303 flow [2021-03-26 07:55:44,657 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 479 places, 633 transitions, 14303 flow [2021-03-26 07:55:44,662 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 473 places, 633 transitions, 14303 flow [2021-03-26 07:55:44,861 INFO L129 PetriNetUnfolder]: 516/1167 cut-off events. [2021-03-26 07:55:44,861 INFO L130 PetriNetUnfolder]: For 63011/63272 co-relation queries the response was YES. [2021-03-26 07:55:44,875 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15412 conditions, 1167 events. 516/1167 cut-off events. For 63011/63272 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 8265 event pairs, 15 based on Foata normal form. 22/1161 useless extension candidates. Maximal degree in co-relation 15241. Up to 365 conditions per place. [2021-03-26 07:55:44,888 INFO L142 LiptonReduction]: Number of co-enabled transitions 688 [2021-03-26 07:55:44,930 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:44,930 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:44,930 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 273 [2021-03-26 07:55:44,931 INFO L480 AbstractCegarLoop]: Abstraction has has 473 places, 633 transitions, 14303 flow [2021-03-26 07:55:44,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:44,931 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:44,931 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:44,931 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2021-03-26 07:55:44,931 INFO L428 AbstractCegarLoop]: === Iteration 162 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:44,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:44,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1677833630, now seen corresponding path program 1 times [2021-03-26 07:55:44,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:44,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241363301] [2021-03-26 07:55:44,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:44,937 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:44,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:44,942 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:44,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:44,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:44,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:44,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:44,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:44,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:44,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:44,978 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:55:44,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:55:45,002 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:55:45,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:55:45,027 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:55:45,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:55:45,052 INFO L142 QuantifierPusher]: treesize reduction 35, result has 44.4 percent of original size [2021-03-26 07:55:45,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 07:55:45,055 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:55:45,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:45,070 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:45,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:45,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:45,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241363301] [2021-03-26 07:55:45,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:45,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:55:45,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378255125] [2021-03-26 07:55:45,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:55:45,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:45,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:55:45,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:55:45,073 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:55:45,073 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 473 places, 633 transitions, 14303 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:45,073 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:45,073 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:55:45,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:45,959 INFO L129 PetriNetUnfolder]: 765/1528 cut-off events. [2021-03-26 07:55:45,959 INFO L130 PetriNetUnfolder]: For 100959/100991 co-relation queries the response was YES. [2021-03-26 07:55:46,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21693 conditions, 1528 events. 765/1528 cut-off events. For 100959/100991 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 10066 event pairs, 146 based on Foata normal form. 18/1545 useless extension candidates. Maximal degree in co-relation 21519. Up to 1300 conditions per place. [2021-03-26 07:55:46,054 INFO L132 encePairwiseOnDemand]: 125/144 looper letters, 543 selfloop transitions, 104 changer transitions 2/657 dead transitions. [2021-03-26 07:55:46,054 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 657 transitions, 16174 flow [2021-03-26 07:55:46,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:55:46,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:55:46,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 459 transitions. [2021-03-26 07:55:46,055 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22767857142857142 [2021-03-26 07:55:46,056 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 459 transitions. [2021-03-26 07:55:46,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 459 transitions. [2021-03-26 07:55:46,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:46,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 459 transitions. [2021-03-26 07:55:46,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.785714285714285) internal successors, (459), 14 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:46,057 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 144.0) internal successors, (2160), 15 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:46,057 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 144.0) internal successors, (2160), 15 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:46,057 INFO L185 Difference]: Start difference. First operand has 473 places, 633 transitions, 14303 flow. Second operand 14 states and 459 transitions. [2021-03-26 07:55:46,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 657 transitions, 16174 flow [2021-03-26 07:55:46,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 657 transitions, 15789 flow, removed 55 selfloop flow, removed 12 redundant places. [2021-03-26 07:55:46,526 INFO L241 Difference]: Finished difference. Result has 476 places, 632 transitions, 14143 flow [2021-03-26 07:55:46,526 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=13922, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=633, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=529, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=14143, PETRI_PLACES=476, PETRI_TRANSITIONS=632} [2021-03-26 07:55:46,526 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 437 predicate places. [2021-03-26 07:55:46,526 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:46,526 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 476 places, 632 transitions, 14143 flow [2021-03-26 07:55:46,526 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 476 places, 632 transitions, 14143 flow [2021-03-26 07:55:46,532 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 476 places, 632 transitions, 14143 flow [2021-03-26 07:55:46,727 INFO L129 PetriNetUnfolder]: 516/1164 cut-off events. [2021-03-26 07:55:46,727 INFO L130 PetriNetUnfolder]: For 64188/64443 co-relation queries the response was YES. [2021-03-26 07:55:46,740 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15375 conditions, 1164 events. 516/1164 cut-off events. For 64188/64443 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 8234 event pairs, 14 based on Foata normal form. 25/1161 useless extension candidates. Maximal degree in co-relation 15190. Up to 362 conditions per place. [2021-03-26 07:55:46,753 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 07:55:46,796 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:46,796 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:46,796 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 270 [2021-03-26 07:55:46,797 INFO L480 AbstractCegarLoop]: Abstraction has has 476 places, 632 transitions, 14143 flow [2021-03-26 07:55:46,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:46,797 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:46,797 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:46,797 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2021-03-26 07:55:46,797 INFO L428 AbstractCegarLoop]: === Iteration 163 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:46,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:46,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1612728072, now seen corresponding path program 12 times [2021-03-26 07:55:46,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:46,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212154166] [2021-03-26 07:55:46,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:46,803 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:46,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:46,808 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:46,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:46,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:46,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:46,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:46,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:46,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:46,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:46,845 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:55:46,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:55:46,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:46,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:46,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:46,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:46,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:46,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:46,914 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:55:46,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:46,929 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:46,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:46,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:46,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212154166] [2021-03-26 07:55:46,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:46,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:55:46,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401271667] [2021-03-26 07:55:46,932 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:55:46,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:46,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:55:46,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:55:46,933 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:55:46,933 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 476 places, 632 transitions, 14143 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:46,933 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:46,933 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:55:46,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:47,883 INFO L129 PetriNetUnfolder]: 765/1531 cut-off events. [2021-03-26 07:55:47,884 INFO L130 PetriNetUnfolder]: For 100003/100020 co-relation queries the response was YES. [2021-03-26 07:55:47,900 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21634 conditions, 1531 events. 765/1531 cut-off events. For 100003/100020 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 10133 event pairs, 122 based on Foata normal form. 14/1544 useless extension candidates. Maximal degree in co-relation 21445. Up to 1293 conditions per place. [2021-03-26 07:55:47,907 INFO L132 encePairwiseOnDemand]: 124/144 looper letters, 540 selfloop transitions, 110 changer transitions 3/661 dead transitions. [2021-03-26 07:55:47,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 492 places, 661 transitions, 16090 flow [2021-03-26 07:55:47,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 07:55:47,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 07:55:47,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 540 transitions. [2021-03-26 07:55:47,908 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22058823529411764 [2021-03-26 07:55:47,908 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 540 transitions. [2021-03-26 07:55:47,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 540 transitions. [2021-03-26 07:55:47,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:47,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 540 transitions. [2021-03-26 07:55:47,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 31.764705882352942) internal successors, (540), 17 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:47,910 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 144.0) internal successors, (2592), 18 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:47,910 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 144.0) internal successors, (2592), 18 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:47,910 INFO L185 Difference]: Start difference. First operand has 476 places, 632 transitions, 14143 flow. Second operand 17 states and 540 transitions. [2021-03-26 07:55:47,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 492 places, 661 transitions, 16090 flow [2021-03-26 07:55:48,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 477 places, 661 transitions, 15859 flow, removed 4 selfloop flow, removed 15 redundant places. [2021-03-26 07:55:48,419 INFO L241 Difference]: Finished difference. Result has 482 places, 635 transitions, 14221 flow [2021-03-26 07:55:48,420 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=13916, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=632, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=106, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=522, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=14221, PETRI_PLACES=482, PETRI_TRANSITIONS=635} [2021-03-26 07:55:48,420 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 443 predicate places. [2021-03-26 07:55:48,420 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:48,420 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 482 places, 635 transitions, 14221 flow [2021-03-26 07:55:48,420 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 482 places, 635 transitions, 14221 flow [2021-03-26 07:55:48,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 481 places, 635 transitions, 14221 flow [2021-03-26 07:55:48,628 INFO L129 PetriNetUnfolder]: 517/1169 cut-off events. [2021-03-26 07:55:48,628 INFO L130 PetriNetUnfolder]: For 63595/63742 co-relation queries the response was YES. [2021-03-26 07:55:48,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15419 conditions, 1169 events. 517/1169 cut-off events. For 63595/63742 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 8276 event pairs, 16 based on Foata normal form. 22/1170 useless extension candidates. Maximal degree in co-relation 15231. Up to 363 conditions per place. [2021-03-26 07:55:48,655 INFO L142 LiptonReduction]: Number of co-enabled transitions 700 [2021-03-26 07:55:48,696 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:48,697 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:48,697 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 277 [2021-03-26 07:55:48,697 INFO L480 AbstractCegarLoop]: Abstraction has has 481 places, 635 transitions, 14221 flow [2021-03-26 07:55:48,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:48,697 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:48,697 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:48,697 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2021-03-26 07:55:48,697 INFO L428 AbstractCegarLoop]: === Iteration 164 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:48,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:48,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1254143864, now seen corresponding path program 5 times [2021-03-26 07:55:48,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:48,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772618456] [2021-03-26 07:55:48,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:48,704 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:48,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:48,708 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:48,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:48,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:48,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:48,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:48,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:48,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:48,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:48,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:48,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:48,760 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:55:48,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:55:48,786 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:55:48,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:55:48,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:48,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:48,825 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:55:48,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:48,840 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:48,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:48,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:48,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772618456] [2021-03-26 07:55:48,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:48,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:55:48,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209706299] [2021-03-26 07:55:48,843 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:55:48,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:48,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:55:48,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:55:48,843 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:55:48,844 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 481 places, 635 transitions, 14221 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:48,844 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:48,844 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:55:48,844 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:49,946 INFO L129 PetriNetUnfolder]: 765/1538 cut-off events. [2021-03-26 07:55:49,946 INFO L130 PetriNetUnfolder]: For 99524/99541 co-relation queries the response was YES. [2021-03-26 07:55:49,964 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21692 conditions, 1538 events. 765/1538 cut-off events. For 99524/99541 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 10209 event pairs, 108 based on Foata normal form. 14/1551 useless extension candidates. Maximal degree in co-relation 21500. Up to 1128 conditions per place. [2021-03-26 07:55:49,972 INFO L132 encePairwiseOnDemand]: 122/144 looper letters, 393 selfloop transitions, 245 changer transitions 8/654 dead transitions. [2021-03-26 07:55:49,972 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 500 places, 654 transitions, 15954 flow [2021-03-26 07:55:49,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 07:55:49,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 07:55:49,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 643 transitions. [2021-03-26 07:55:49,973 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2232638888888889 [2021-03-26 07:55:49,973 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 643 transitions. [2021-03-26 07:55:49,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 643 transitions. [2021-03-26 07:55:49,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:49,974 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 643 transitions. [2021-03-26 07:55:49,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 32.15) internal successors, (643), 20 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:50,027 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 144.0) internal successors, (3024), 21 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:50,027 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 144.0) internal successors, (3024), 21 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:50,027 INFO L185 Difference]: Start difference. First operand has 481 places, 635 transitions, 14221 flow. Second operand 20 states and 643 transitions. [2021-03-26 07:55:50,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 500 places, 654 transitions, 15954 flow [2021-03-26 07:55:50,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 654 transitions, 15686 flow, removed 28 selfloop flow, removed 13 redundant places. [2021-03-26 07:55:50,493 INFO L241 Difference]: Finished difference. Result has 491 places, 631 transitions, 14346 flow [2021-03-26 07:55:50,493 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=13967, PETRI_DIFFERENCE_MINUEND_PLACES=468, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=635, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=245, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=14346, PETRI_PLACES=491, PETRI_TRANSITIONS=631} [2021-03-26 07:55:50,493 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 452 predicate places. [2021-03-26 07:55:50,494 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:50,494 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 491 places, 631 transitions, 14346 flow [2021-03-26 07:55:50,494 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 491 places, 631 transitions, 14346 flow [2021-03-26 07:55:50,499 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 488 places, 631 transitions, 14346 flow [2021-03-26 07:55:50,699 INFO L129 PetriNetUnfolder]: 519/1178 cut-off events. [2021-03-26 07:55:50,700 INFO L130 PetriNetUnfolder]: For 64985/65267 co-relation queries the response was YES. [2021-03-26 07:55:50,714 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15624 conditions, 1178 events. 519/1178 cut-off events. For 64985/65267 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 8382 event pairs, 18 based on Foata normal form. 27/1175 useless extension candidates. Maximal degree in co-relation 15453. Up to 372 conditions per place. [2021-03-26 07:55:50,727 INFO L142 LiptonReduction]: Number of co-enabled transitions 692 [2021-03-26 07:55:50,769 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:50,769 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:50,769 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 275 [2021-03-26 07:55:50,769 INFO L480 AbstractCegarLoop]: Abstraction has has 488 places, 631 transitions, 14346 flow [2021-03-26 07:55:50,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:50,769 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:50,769 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:50,770 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2021-03-26 07:55:50,770 INFO L428 AbstractCegarLoop]: === Iteration 165 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:50,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:50,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1383033667, now seen corresponding path program 2 times [2021-03-26 07:55:50,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:50,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500934591] [2021-03-26 07:55:50,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:50,776 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:50,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:50,780 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:50,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:50,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:50,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:50,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:50,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:50,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:50,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:50,817 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:55:50,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:55:50,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:50,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:50,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:50,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:50,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:50,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:50,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:50,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:50,889 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:50,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:50,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:50,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500934591] [2021-03-26 07:55:50,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:50,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:55:50,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024150615] [2021-03-26 07:55:50,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:55:50,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:50,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:55:50,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:55:50,892 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:55:50,892 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 488 places, 631 transitions, 14346 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:50,892 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:50,892 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:55:50,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:51,748 INFO L129 PetriNetUnfolder]: 760/1528 cut-off events. [2021-03-26 07:55:51,749 INFO L130 PetriNetUnfolder]: For 98341/98358 co-relation queries the response was YES. [2021-03-26 07:55:51,766 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21655 conditions, 1528 events. 760/1528 cut-off events. For 98341/98358 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 10127 event pairs, 156 based on Foata normal form. 11/1538 useless extension candidates. Maximal degree in co-relation 21480. Up to 1319 conditions per place. [2021-03-26 07:55:51,773 INFO L132 encePairwiseOnDemand]: 123/144 looper letters, 553 selfloop transitions, 88 changer transitions 4/653 dead transitions. [2021-03-26 07:55:51,773 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 653 transitions, 16166 flow [2021-03-26 07:55:51,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 07:55:51,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 07:55:51,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 528 transitions. [2021-03-26 07:55:51,775 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21568627450980393 [2021-03-26 07:55:51,775 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 528 transitions. [2021-03-26 07:55:51,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 528 transitions. [2021-03-26 07:55:51,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:51,775 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 528 transitions. [2021-03-26 07:55:51,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 31.058823529411764) internal successors, (528), 17 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:51,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 144.0) internal successors, (2592), 18 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:51,776 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 144.0) internal successors, (2592), 18 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:51,776 INFO L185 Difference]: Start difference. First operand has 488 places, 631 transitions, 14346 flow. Second operand 17 states and 528 transitions. [2021-03-26 07:55:51,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 653 transitions, 16166 flow [2021-03-26 07:55:52,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 653 transitions, 15754 flow, removed 5 selfloop flow, removed 17 redundant places. [2021-03-26 07:55:52,251 INFO L241 Difference]: Finished difference. Result has 489 places, 628 transitions, 14031 flow [2021-03-26 07:55:52,252 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=13939, PETRI_DIFFERENCE_MINUEND_PLACES=471, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=631, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=543, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=14031, PETRI_PLACES=489, PETRI_TRANSITIONS=628} [2021-03-26 07:55:52,252 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 450 predicate places. [2021-03-26 07:55:52,252 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:52,252 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 489 places, 628 transitions, 14031 flow [2021-03-26 07:55:52,252 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 489 places, 628 transitions, 14031 flow [2021-03-26 07:55:52,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 485 places, 628 transitions, 14031 flow [2021-03-26 07:55:52,481 INFO L129 PetriNetUnfolder]: 510/1160 cut-off events. [2021-03-26 07:55:52,481 INFO L130 PetriNetUnfolder]: For 62330/62469 co-relation queries the response was YES. [2021-03-26 07:55:52,497 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15225 conditions, 1160 events. 510/1160 cut-off events. For 62330/62469 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 8197 event pairs, 14 based on Foata normal form. 32/1170 useless extension candidates. Maximal degree in co-relation 15056. Up to 360 conditions per place. [2021-03-26 07:55:52,512 INFO L142 LiptonReduction]: Number of co-enabled transitions 692 [2021-03-26 07:55:52,554 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:52,554 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:52,554 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 302 [2021-03-26 07:55:52,555 INFO L480 AbstractCegarLoop]: Abstraction has has 485 places, 628 transitions, 14031 flow [2021-03-26 07:55:52,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:52,555 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:52,555 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:52,555 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2021-03-26 07:55:52,555 INFO L428 AbstractCegarLoop]: === Iteration 166 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:52,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:52,555 INFO L82 PathProgramCache]: Analyzing trace with hash 219126905, now seen corresponding path program 4 times [2021-03-26 07:55:52,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:52,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524357293] [2021-03-26 07:55:52,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:52,562 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:52,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:52,567 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:52,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:52,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:52,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:52,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:52,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:52,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:52,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:52,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:52,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:52,622 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 07:55:52,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:55:52,641 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 07:55:52,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:52,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:52,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:55:52,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:52,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:55:52,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:52,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:52,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:52,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524357293] [2021-03-26 07:55:52,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:52,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:55:52,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870322220] [2021-03-26 07:55:52,689 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:55:52,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:52,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:55:52,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:55:52,690 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:55:52,690 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 628 transitions, 14031 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:52,690 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:52,690 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:55:52,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:53,896 INFO L129 PetriNetUnfolder]: 759/1529 cut-off events. [2021-03-26 07:55:53,897 INFO L130 PetriNetUnfolder]: For 96135/96152 co-relation queries the response was YES. [2021-03-26 07:55:53,915 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21427 conditions, 1529 events. 759/1529 cut-off events. For 96135/96152 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 10132 event pairs, 58 based on Foata normal form. 14/1542 useless extension candidates. Maximal degree in co-relation 21254. Up to 1095 conditions per place. [2021-03-26 07:55:53,923 INFO L132 encePairwiseOnDemand]: 119/144 looper letters, 356 selfloop transitions, 278 changer transitions 11/653 dead transitions. [2021-03-26 07:55:53,923 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 502 places, 653 transitions, 15943 flow [2021-03-26 07:55:53,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 07:55:53,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 07:55:53,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 584 transitions. [2021-03-26 07:55:53,925 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22530864197530864 [2021-03-26 07:55:53,925 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 584 transitions. [2021-03-26 07:55:53,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 584 transitions. [2021-03-26 07:55:53,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:53,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 584 transitions. [2021-03-26 07:55:53,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 32.44444444444444) internal successors, (584), 18 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:53,926 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 144.0) internal successors, (2736), 19 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:53,926 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 144.0) internal successors, (2736), 19 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:53,927 INFO L185 Difference]: Start difference. First operand has 485 places, 628 transitions, 14031 flow. Second operand 18 states and 584 transitions. [2021-03-26 07:55:53,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 502 places, 653 transitions, 15943 flow [2021-03-26 07:55:54,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 486 places, 653 transitions, 15699 flow, removed 11 selfloop flow, removed 16 redundant places. [2021-03-26 07:55:54,483 INFO L241 Difference]: Finished difference. Result has 489 places, 622 transitions, 14273 flow [2021-03-26 07:55:54,484 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=13787, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=628, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=278, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=14273, PETRI_PLACES=489, PETRI_TRANSITIONS=622} [2021-03-26 07:55:54,484 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 450 predicate places. [2021-03-26 07:55:54,484 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:54,484 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 489 places, 622 transitions, 14273 flow [2021-03-26 07:55:54,484 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 489 places, 622 transitions, 14273 flow [2021-03-26 07:55:54,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 485 places, 622 transitions, 14273 flow [2021-03-26 07:55:54,683 INFO L129 PetriNetUnfolder]: 507/1155 cut-off events. [2021-03-26 07:55:54,683 INFO L130 PetriNetUnfolder]: For 63564/63740 co-relation queries the response was YES. [2021-03-26 07:55:54,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15367 conditions, 1155 events. 507/1155 cut-off events. For 63564/63740 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 8193 event pairs, 17 based on Foata normal form. 26/1160 useless extension candidates. Maximal degree in co-relation 15198. Up to 365 conditions per place. [2021-03-26 07:55:54,709 INFO L142 LiptonReduction]: Number of co-enabled transitions 692 [2021-03-26 07:55:54,751 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:54,751 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:54,751 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 267 [2021-03-26 07:55:54,751 INFO L480 AbstractCegarLoop]: Abstraction has has 485 places, 622 transitions, 14273 flow [2021-03-26 07:55:54,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:54,751 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:54,751 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:54,751 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2021-03-26 07:55:54,752 INFO L428 AbstractCegarLoop]: === Iteration 167 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:54,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:54,752 INFO L82 PathProgramCache]: Analyzing trace with hash -63975872, now seen corresponding path program 13 times [2021-03-26 07:55:54,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:54,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854459310] [2021-03-26 07:55:54,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:54,758 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:54,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:54,763 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:54,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:54,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:54,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:54,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:54,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:54,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:54,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:54,800 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:55:54,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:55:54,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:54,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:54,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:54,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:54,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:54,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:54,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:54,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:54,880 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:54,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:54,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:54,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854459310] [2021-03-26 07:55:54,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:54,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:55:54,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212283411] [2021-03-26 07:55:54,883 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:55:54,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:54,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:55:54,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:55:54,884 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:55:54,884 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 622 transitions, 14273 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:54,884 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:54,884 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:55:54,884 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:55,758 INFO L129 PetriNetUnfolder]: 753/1527 cut-off events. [2021-03-26 07:55:55,758 INFO L130 PetriNetUnfolder]: For 98683/98700 co-relation queries the response was YES. [2021-03-26 07:55:55,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21642 conditions, 1527 events. 753/1527 cut-off events. For 98683/98700 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 10141 event pairs, 158 based on Foata normal form. 11/1537 useless extension candidates. Maximal degree in co-relation 21463. Up to 1292 conditions per place. [2021-03-26 07:55:55,782 INFO L132 encePairwiseOnDemand]: 126/144 looper letters, 543 selfloop transitions, 95 changer transitions 2/648 dead transitions. [2021-03-26 07:55:55,782 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 500 places, 648 transitions, 16099 flow [2021-03-26 07:55:55,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:55:55,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:55:55,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 507 transitions. [2021-03-26 07:55:55,784 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22005208333333334 [2021-03-26 07:55:55,784 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 507 transitions. [2021-03-26 07:55:55,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 507 transitions. [2021-03-26 07:55:55,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:55,784 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 507 transitions. [2021-03-26 07:55:55,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.6875) internal successors, (507), 16 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:55,785 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 144.0) internal successors, (2448), 17 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:55,785 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 144.0) internal successors, (2448), 17 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:55,785 INFO L185 Difference]: Start difference. First operand has 485 places, 622 transitions, 14273 flow. Second operand 16 states and 507 transitions. [2021-03-26 07:55:55,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 500 places, 648 transitions, 16099 flow [2021-03-26 07:55:56,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 484 places, 648 transitions, 15523 flow, removed 6 selfloop flow, removed 16 redundant places. [2021-03-26 07:55:56,239 INFO L241 Difference]: Finished difference. Result has 487 places, 623 transitions, 13915 flow [2021-03-26 07:55:56,239 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=13708, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=622, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=527, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=13915, PETRI_PLACES=487, PETRI_TRANSITIONS=623} [2021-03-26 07:55:56,239 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 448 predicate places. [2021-03-26 07:55:56,239 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:56,239 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 487 places, 623 transitions, 13915 flow [2021-03-26 07:55:56,239 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 487 places, 623 transitions, 13915 flow [2021-03-26 07:55:56,244 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 486 places, 623 transitions, 13915 flow [2021-03-26 07:55:56,482 INFO L129 PetriNetUnfolder]: 508/1169 cut-off events. [2021-03-26 07:55:56,482 INFO L130 PetriNetUnfolder]: For 62040/62213 co-relation queries the response was YES. [2021-03-26 07:55:56,497 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15224 conditions, 1169 events. 508/1169 cut-off events. For 62040/62213 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 8306 event pairs, 15 based on Foata normal form. 29/1172 useless extension candidates. Maximal degree in co-relation 15051. Up to 362 conditions per place. [2021-03-26 07:55:56,511 INFO L142 LiptonReduction]: Number of co-enabled transitions 700 [2021-03-26 07:55:56,553 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:56,554 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:56,554 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 315 [2021-03-26 07:55:56,554 INFO L480 AbstractCegarLoop]: Abstraction has has 486 places, 623 transitions, 13915 flow [2021-03-26 07:55:56,554 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:56,554 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:56,554 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:56,554 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2021-03-26 07:55:56,554 INFO L428 AbstractCegarLoop]: === Iteration 168 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:56,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:56,555 INFO L82 PathProgramCache]: Analyzing trace with hash 81317938, now seen corresponding path program 14 times [2021-03-26 07:55:56,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:56,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344511208] [2021-03-26 07:55:56,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:56,562 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:56,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:56,568 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:56,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:56,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:56,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:56,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:56,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:56,599 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:55:56,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:55:56,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:56,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:56,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:56,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:56,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:56,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:56,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:56,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:56,688 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:55:56,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:56,698 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:56,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:56,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:56,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344511208] [2021-03-26 07:55:56,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:56,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:55:56,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786911214] [2021-03-26 07:55:56,701 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:55:56,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:56,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:55:56,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:55:56,702 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:55:56,702 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 486 places, 623 transitions, 13915 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:56,702 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:56,702 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:55:56,702 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:55:57,950 INFO L129 PetriNetUnfolder]: 752/1525 cut-off events. [2021-03-26 07:55:57,950 INFO L130 PetriNetUnfolder]: For 96650/96674 co-relation queries the response was YES. [2021-03-26 07:55:57,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21321 conditions, 1525 events. 752/1525 cut-off events. For 96650/96674 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 10134 event pairs, 127 based on Foata normal form. 21/1545 useless extension candidates. Maximal degree in co-relation 21142. Up to 1270 conditions per place. [2021-03-26 07:55:57,978 INFO L132 encePairwiseOnDemand]: 123/144 looper letters, 478 selfloop transitions, 147 changer transitions 3/636 dead transitions. [2021-03-26 07:55:57,979 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 500 places, 636 transitions, 15377 flow [2021-03-26 07:55:57,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:55:57,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:55:57,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 489 transitions. [2021-03-26 07:55:57,980 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2263888888888889 [2021-03-26 07:55:57,980 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 489 transitions. [2021-03-26 07:55:57,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 489 transitions. [2021-03-26 07:55:57,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:55:57,980 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 489 transitions. [2021-03-26 07:55:57,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.6) internal successors, (489), 15 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:57,981 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 144.0) internal successors, (2304), 16 states have internal predecessors, (2304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:57,981 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 144.0) internal successors, (2304), 16 states have internal predecessors, (2304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:57,982 INFO L185 Difference]: Start difference. First operand has 486 places, 623 transitions, 13915 flow. Second operand 15 states and 489 transitions. [2021-03-26 07:55:57,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 500 places, 636 transitions, 15377 flow [2021-03-26 07:55:58,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 486 places, 636 transitions, 15189 flow, removed 3 selfloop flow, removed 14 redundant places. [2021-03-26 07:55:58,516 INFO L241 Difference]: Finished difference. Result has 489 places, 623 transitions, 14074 flow [2021-03-26 07:55:58,517 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=13727, PETRI_DIFFERENCE_MINUEND_PLACES=472, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=623, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=146, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=476, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=14074, PETRI_PLACES=489, PETRI_TRANSITIONS=623} [2021-03-26 07:55:58,517 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 450 predicate places. [2021-03-26 07:55:58,517 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:55:58,517 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 489 places, 623 transitions, 14074 flow [2021-03-26 07:55:58,517 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 489 places, 623 transitions, 14074 flow [2021-03-26 07:55:58,522 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 488 places, 623 transitions, 14074 flow [2021-03-26 07:55:58,764 INFO L129 PetriNetUnfolder]: 503/1155 cut-off events. [2021-03-26 07:55:58,764 INFO L130 PetriNetUnfolder]: For 63011/63194 co-relation queries the response was YES. [2021-03-26 07:55:58,778 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15232 conditions, 1155 events. 503/1155 cut-off events. For 63011/63194 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 8193 event pairs, 19 based on Foata normal form. 23/1157 useless extension candidates. Maximal degree in co-relation 15043. Up to 361 conditions per place. [2021-03-26 07:55:58,793 INFO L142 LiptonReduction]: Number of co-enabled transitions 696 [2021-03-26 07:55:58,833 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:55:58,834 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:55:58,834 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 317 [2021-03-26 07:55:58,834 INFO L480 AbstractCegarLoop]: Abstraction has has 488 places, 623 transitions, 14074 flow [2021-03-26 07:55:58,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:58,834 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:55:58,834 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:55:58,834 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2021-03-26 07:55:58,834 INFO L428 AbstractCegarLoop]: === Iteration 169 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:55:58,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:55:58,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1118295439, now seen corresponding path program 3 times [2021-03-26 07:55:58,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:55:58,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580185475] [2021-03-26 07:55:58,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:55:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:55:58,841 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:55:58,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:55:58,847 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:55:58,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:58,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:58,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:55:58,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:58,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:55:58,910 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:55:58,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:55:58,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:55:58,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:55:58,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:55:58,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:55:58,972 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:55:58,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:55:58,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:55:58,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580185475] [2021-03-26 07:55:58,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:55:58,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:55:58,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199283540] [2021-03-26 07:55:58,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:55:58,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:55:58,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:55:58,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:55:58,976 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:55:58,976 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 488 places, 623 transitions, 14074 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:55:58,976 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:55:58,976 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:55:58,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:00,117 INFO L129 PetriNetUnfolder]: 753/1528 cut-off events. [2021-03-26 07:56:00,117 INFO L130 PetriNetUnfolder]: For 100134/100138 co-relation queries the response was YES. [2021-03-26 07:56:00,136 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21608 conditions, 1528 events. 753/1528 cut-off events. For 100134/100138 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 10148 event pairs, 167 based on Foata normal form. 5/1532 useless extension candidates. Maximal degree in co-relation 21415. Up to 1337 conditions per place. [2021-03-26 07:56:00,145 INFO L132 encePairwiseOnDemand]: 127/144 looper letters, 558 selfloop transitions, 70 changer transitions 2/638 dead transitions. [2021-03-26 07:56:00,145 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 638 transitions, 15769 flow [2021-03-26 07:56:00,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 07:56:00,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 07:56:00,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 531 transitions. [2021-03-26 07:56:00,146 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21691176470588236 [2021-03-26 07:56:00,146 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 531 transitions. [2021-03-26 07:56:00,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 531 transitions. [2021-03-26 07:56:00,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:00,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 531 transitions. [2021-03-26 07:56:00,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 31.235294117647058) internal successors, (531), 17 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:00,148 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 144.0) internal successors, (2592), 18 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:00,148 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 144.0) internal successors, (2592), 18 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:00,148 INFO L185 Difference]: Start difference. First operand has 488 places, 623 transitions, 14074 flow. Second operand 17 states and 531 transitions. [2021-03-26 07:56:00,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 638 transitions, 15769 flow [2021-03-26 07:56:00,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 638 transitions, 15431 flow, removed 4 selfloop flow, removed 14 redundant places. [2021-03-26 07:56:00,673 INFO L241 Difference]: Finished difference. Result has 493 places, 625 transitions, 14020 flow [2021-03-26 07:56:00,674 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=13738, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=623, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=554, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=14020, PETRI_PLACES=493, PETRI_TRANSITIONS=625} [2021-03-26 07:56:00,674 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 454 predicate places. [2021-03-26 07:56:00,674 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:00,674 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 493 places, 625 transitions, 14020 flow [2021-03-26 07:56:00,674 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 493 places, 625 transitions, 14020 flow [2021-03-26 07:56:00,679 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 491 places, 625 transitions, 14020 flow [2021-03-26 07:56:00,911 INFO L129 PetriNetUnfolder]: 506/1170 cut-off events. [2021-03-26 07:56:00,912 INFO L130 PetriNetUnfolder]: For 64992/65267 co-relation queries the response was YES. [2021-03-26 07:56:00,926 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15353 conditions, 1170 events. 506/1170 cut-off events. For 64992/65267 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 8381 event pairs, 14 based on Foata normal form. 30/1168 useless extension candidates. Maximal degree in co-relation 15180. Up to 364 conditions per place. [2021-03-26 07:56:00,940 INFO L142 LiptonReduction]: Number of co-enabled transitions 696 [2021-03-26 07:56:00,981 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:00,982 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:00,982 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 308 [2021-03-26 07:56:00,982 INFO L480 AbstractCegarLoop]: Abstraction has has 491 places, 625 transitions, 14020 flow [2021-03-26 07:56:00,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:00,982 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:00,982 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:00,982 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2021-03-26 07:56:00,982 INFO L428 AbstractCegarLoop]: === Iteration 170 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:00,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:00,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1113967285, now seen corresponding path program 10 times [2021-03-26 07:56:00,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:00,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371722172] [2021-03-26 07:56:00,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:00,989 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:00,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:00,995 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:00,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:01,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:01,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:01,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:01,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:01,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:01,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:01,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:01,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:01,055 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 07:56:01,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:56:01,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:01,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:56:01,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:01,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:56:01,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:01,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:01,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:01,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:01,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:01,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371722172] [2021-03-26 07:56:01,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:01,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:56:01,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860407651] [2021-03-26 07:56:01,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:56:01,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:01,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:56:01,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:56:01,122 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:56:01,122 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 625 transitions, 14020 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:01,122 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:01,122 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:56:01,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:02,205 INFO L129 PetriNetUnfolder]: 752/1528 cut-off events. [2021-03-26 07:56:02,205 INFO L130 PetriNetUnfolder]: For 99948/99965 co-relation queries the response was YES. [2021-03-26 07:56:02,225 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21485 conditions, 1528 events. 752/1528 cut-off events. For 99948/99965 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 10163 event pairs, 163 based on Foata normal form. 11/1538 useless extension candidates. Maximal degree in co-relation 21310. Up to 1375 conditions per place. [2021-03-26 07:56:02,234 INFO L132 encePairwiseOnDemand]: 129/144 looper letters, 575 selfloop transitions, 43 changer transitions 5/631 dead transitions. [2021-03-26 07:56:02,234 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 631 transitions, 15337 flow [2021-03-26 07:56:02,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:56:02,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:56:02,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 433 transitions. [2021-03-26 07:56:02,235 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21478174603174602 [2021-03-26 07:56:02,235 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 433 transitions. [2021-03-26 07:56:02,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 433 transitions. [2021-03-26 07:56:02,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:02,236 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 433 transitions. [2021-03-26 07:56:02,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 30.928571428571427) internal successors, (433), 14 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:02,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 144.0) internal successors, (2160), 15 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:02,237 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 144.0) internal successors, (2160), 15 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:02,237 INFO L185 Difference]: Start difference. First operand has 491 places, 625 transitions, 14020 flow. Second operand 14 states and 433 transitions. [2021-03-26 07:56:02,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 631 transitions, 15337 flow [2021-03-26 07:56:02,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 491 places, 631 transitions, 15131 flow, removed 65 selfloop flow, removed 13 redundant places. [2021-03-26 07:56:02,781 INFO L241 Difference]: Finished difference. Result has 492 places, 620 transitions, 13802 flow [2021-03-26 07:56:02,782 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=13814, PETRI_DIFFERENCE_MINUEND_PLACES=478, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=625, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=582, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=13802, PETRI_PLACES=492, PETRI_TRANSITIONS=620} [2021-03-26 07:56:02,782 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 453 predicate places. [2021-03-26 07:56:02,782 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:02,782 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 492 places, 620 transitions, 13802 flow [2021-03-26 07:56:02,782 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 492 places, 620 transitions, 13802 flow [2021-03-26 07:56:02,787 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 483 places, 620 transitions, 13802 flow [2021-03-26 07:56:03,023 INFO L129 PetriNetUnfolder]: 506/1165 cut-off events. [2021-03-26 07:56:03,023 INFO L130 PetriNetUnfolder]: For 63709/63923 co-relation queries the response was YES. [2021-03-26 07:56:03,037 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15247 conditions, 1165 events. 506/1165 cut-off events. For 63709/63923 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 8292 event pairs, 16 based on Foata normal form. 28/1164 useless extension candidates. Maximal degree in co-relation 15073. Up to 361 conditions per place. [2021-03-26 07:56:03,052 INFO L142 LiptonReduction]: Number of co-enabled transitions 696 [2021-03-26 07:56:03,095 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:03,095 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:03,095 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 313 [2021-03-26 07:56:03,096 INFO L480 AbstractCegarLoop]: Abstraction has has 483 places, 620 transitions, 13802 flow [2021-03-26 07:56:03,096 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:03,096 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:03,096 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:03,096 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2021-03-26 07:56:03,096 INFO L428 AbstractCegarLoop]: === Iteration 171 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:03,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:03,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1101853390, now seen corresponding path program 15 times [2021-03-26 07:56:03,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:03,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861845086] [2021-03-26 07:56:03,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:03,103 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:03,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:03,127 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:03,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:03,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:03,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:03,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:03,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:03,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:03,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:03,177 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:56:03,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:03,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:03,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:03,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:03,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:03,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:03,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:03,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:03,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:03,272 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:03,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:03,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:03,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861845086] [2021-03-26 07:56:03,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:03,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:56:03,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917864886] [2021-03-26 07:56:03,276 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:56:03,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:03,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:56:03,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:56:03,276 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:56:03,277 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 483 places, 620 transitions, 13802 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:03,277 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:03,277 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:56:03,277 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:04,356 INFO L129 PetriNetUnfolder]: 751/1523 cut-off events. [2021-03-26 07:56:04,356 INFO L130 PetriNetUnfolder]: For 98331/98355 co-relation queries the response was YES. [2021-03-26 07:56:04,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21389 conditions, 1523 events. 751/1523 cut-off events. For 98331/98355 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 10091 event pairs, 161 based on Foata normal form. 18/1540 useless extension candidates. Maximal degree in co-relation 21209. Up to 1298 conditions per place. [2021-03-26 07:56:04,384 INFO L132 encePairwiseOnDemand]: 124/144 looper letters, 537 selfloop transitions, 93 changer transitions 4/642 dead transitions. [2021-03-26 07:56:04,384 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 500 places, 642 transitions, 15600 flow [2021-03-26 07:56:04,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 07:56:04,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 07:56:04,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 558 transitions. [2021-03-26 07:56:04,386 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2152777777777778 [2021-03-26 07:56:04,386 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 558 transitions. [2021-03-26 07:56:04,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 558 transitions. [2021-03-26 07:56:04,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:04,386 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 558 transitions. [2021-03-26 07:56:04,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 31.0) internal successors, (558), 18 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:04,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 144.0) internal successors, (2736), 19 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:04,387 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 144.0) internal successors, (2736), 19 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:04,387 INFO L185 Difference]: Start difference. First operand has 483 places, 620 transitions, 13802 flow. Second operand 18 states and 558 transitions. [2021-03-26 07:56:04,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 500 places, 642 transitions, 15600 flow [2021-03-26 07:56:04,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 489 places, 642 transitions, 15436 flow, removed 39 selfloop flow, removed 11 redundant places. [2021-03-26 07:56:04,890 INFO L241 Difference]: Finished difference. Result has 491 places, 617 transitions, 13822 flow [2021-03-26 07:56:04,890 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=13662, PETRI_DIFFERENCE_MINUEND_PLACES=472, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=620, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=527, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=13822, PETRI_PLACES=491, PETRI_TRANSITIONS=617} [2021-03-26 07:56:04,890 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 452 predicate places. [2021-03-26 07:56:04,891 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:04,891 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 491 places, 617 transitions, 13822 flow [2021-03-26 07:56:04,891 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 491 places, 617 transitions, 13822 flow [2021-03-26 07:56:04,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 487 places, 617 transitions, 13822 flow [2021-03-26 07:56:05,131 INFO L129 PetriNetUnfolder]: 504/1161 cut-off events. [2021-03-26 07:56:05,132 INFO L130 PetriNetUnfolder]: For 60474/60693 co-relation queries the response was YES. [2021-03-26 07:56:05,146 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15092 conditions, 1161 events. 504/1161 cut-off events. For 60474/60693 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 8265 event pairs, 14 based on Foata normal form. 26/1157 useless extension candidates. Maximal degree in co-relation 14919. Up to 361 conditions per place. [2021-03-26 07:56:05,161 INFO L142 LiptonReduction]: Number of co-enabled transitions 696 [2021-03-26 07:56:05,203 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:05,203 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:05,203 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 312 [2021-03-26 07:56:05,203 INFO L480 AbstractCegarLoop]: Abstraction has has 487 places, 617 transitions, 13822 flow [2021-03-26 07:56:05,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:05,203 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:05,204 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:05,204 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2021-03-26 07:56:05,204 INFO L428 AbstractCegarLoop]: === Iteration 172 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:05,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:05,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1274151506, now seen corresponding path program 16 times [2021-03-26 07:56:05,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:05,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681818730] [2021-03-26 07:56:05,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:05,211 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:05,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:05,217 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:05,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:05,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:05,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:05,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:05,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:05,248 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:56:05,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:56:05,275 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:56:05,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:05,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:05,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:05,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:05,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:05,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:05,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:05,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:05,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:05,372 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:05,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:05,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:05,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681818730] [2021-03-26 07:56:05,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:05,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:56:05,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373949106] [2021-03-26 07:56:05,375 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:56:05,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:05,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:56:05,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:56:05,376 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:56:05,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 487 places, 617 transitions, 13822 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:05,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:05,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:56:05,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:06,588 INFO L129 PetriNetUnfolder]: 748/1531 cut-off events. [2021-03-26 07:56:06,588 INFO L130 PetriNetUnfolder]: For 91550/91567 co-relation queries the response was YES. [2021-03-26 07:56:06,607 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21075 conditions, 1531 events. 748/1531 cut-off events. For 91550/91567 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 10160 event pairs, 158 based on Foata normal form. 11/1541 useless extension candidates. Maximal degree in co-relation 20895. Up to 1303 conditions per place. [2021-03-26 07:56:06,617 INFO L132 encePairwiseOnDemand]: 124/144 looper letters, 507 selfloop transitions, 116 changer transitions 2/633 dead transitions. [2021-03-26 07:56:06,617 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 501 places, 633 transitions, 15257 flow [2021-03-26 07:56:06,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:56:06,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:56:06,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 484 transitions. [2021-03-26 07:56:06,618 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22407407407407406 [2021-03-26 07:56:06,618 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 484 transitions. [2021-03-26 07:56:06,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 484 transitions. [2021-03-26 07:56:06,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:06,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 484 transitions. [2021-03-26 07:56:06,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.266666666666666) internal successors, (484), 15 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:06,620 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 144.0) internal successors, (2304), 16 states have internal predecessors, (2304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:06,620 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 144.0) internal successors, (2304), 16 states have internal predecessors, (2304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:06,620 INFO L185 Difference]: Start difference. First operand has 487 places, 617 transitions, 13822 flow. Second operand 15 states and 484 transitions. [2021-03-26 07:56:06,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 501 places, 633 transitions, 15257 flow [2021-03-26 07:56:07,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 485 places, 633 transitions, 15026 flow, removed 19 selfloop flow, removed 16 redundant places. [2021-03-26 07:56:07,115 INFO L241 Difference]: Finished difference. Result has 489 places, 618 transitions, 13849 flow [2021-03-26 07:56:07,116 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=13597, PETRI_DIFFERENCE_MINUEND_PLACES=471, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=617, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=114, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=501, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=13849, PETRI_PLACES=489, PETRI_TRANSITIONS=618} [2021-03-26 07:56:07,116 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 450 predicate places. [2021-03-26 07:56:07,116 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:07,116 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 489 places, 618 transitions, 13849 flow [2021-03-26 07:56:07,116 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 489 places, 618 transitions, 13849 flow [2021-03-26 07:56:07,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 488 places, 618 transitions, 13849 flow [2021-03-26 07:56:07,366 INFO L129 PetriNetUnfolder]: 498/1168 cut-off events. [2021-03-26 07:56:07,366 INFO L130 PetriNetUnfolder]: For 60450/60670 co-relation queries the response was YES. [2021-03-26 07:56:07,383 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15079 conditions, 1168 events. 498/1168 cut-off events. For 60450/60670 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 8368 event pairs, 15 based on Foata normal form. 31/1170 useless extension candidates. Maximal degree in co-relation 14901. Up to 361 conditions per place. [2021-03-26 07:56:07,398 INFO L142 LiptonReduction]: Number of co-enabled transitions 700 [2021-03-26 07:56:07,440 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:07,440 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:07,440 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 324 [2021-03-26 07:56:07,441 INFO L480 AbstractCegarLoop]: Abstraction has has 488 places, 618 transitions, 13849 flow [2021-03-26 07:56:07,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:07,441 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:07,441 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:07,441 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2021-03-26 07:56:07,441 INFO L428 AbstractCegarLoop]: === Iteration 173 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:07,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:07,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1681992505, now seen corresponding path program 11 times [2021-03-26 07:56:07,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:07,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340565250] [2021-03-26 07:56:07,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:07,448 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:07,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:07,454 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:07,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:07,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:07,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:07,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:07,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:07,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:07,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:07,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:07,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:07,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:07,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:56:07,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:07,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:56:07,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:07,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:56:07,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:07,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:07,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:07,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:07,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:07,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340565250] [2021-03-26 07:56:07,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:07,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:56:07,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927514050] [2021-03-26 07:56:07,571 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:56:07,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:07,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:56:07,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:56:07,572 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:56:07,572 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 488 places, 618 transitions, 13849 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:07,572 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:07,572 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:56:07,572 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:08,537 INFO L129 PetriNetUnfolder]: 747/1529 cut-off events. [2021-03-26 07:56:08,538 INFO L130 PetriNetUnfolder]: For 91657/91674 co-relation queries the response was YES. [2021-03-26 07:56:08,556 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21061 conditions, 1529 events. 747/1529 cut-off events. For 91657/91674 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 10184 event pairs, 163 based on Foata normal form. 11/1539 useless extension candidates. Maximal degree in co-relation 20879. Up to 1368 conditions per place. [2021-03-26 07:56:08,565 INFO L132 encePairwiseOnDemand]: 129/144 looper letters, 570 selfloop transitions, 41 changer transitions 6/625 dead transitions. [2021-03-26 07:56:08,565 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 501 places, 625 transitions, 15154 flow [2021-03-26 07:56:08,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:56:08,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:56:08,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 432 transitions. [2021-03-26 07:56:08,567 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21428571428571427 [2021-03-26 07:56:08,567 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 432 transitions. [2021-03-26 07:56:08,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 432 transitions. [2021-03-26 07:56:08,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:08,567 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 432 transitions. [2021-03-26 07:56:08,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 30.857142857142858) internal successors, (432), 14 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:08,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 144.0) internal successors, (2160), 15 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:08,568 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 144.0) internal successors, (2160), 15 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:08,568 INFO L185 Difference]: Start difference. First operand has 488 places, 618 transitions, 13849 flow. Second operand 14 states and 432 transitions. [2021-03-26 07:56:08,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 501 places, 625 transitions, 15154 flow [2021-03-26 07:56:09,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 625 transitions, 14927 flow, removed 4 selfloop flow, removed 11 redundant places. [2021-03-26 07:56:09,051 INFO L241 Difference]: Finished difference. Result has 492 places, 613 transitions, 13592 flow [2021-03-26 07:56:09,051 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=13622, PETRI_DIFFERENCE_MINUEND_PLACES=477, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=618, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=577, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=13592, PETRI_PLACES=492, PETRI_TRANSITIONS=613} [2021-03-26 07:56:09,051 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 453 predicate places. [2021-03-26 07:56:09,051 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:09,052 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 492 places, 613 transitions, 13592 flow [2021-03-26 07:56:09,052 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 492 places, 613 transitions, 13592 flow [2021-03-26 07:56:09,057 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 482 places, 613 transitions, 13592 flow [2021-03-26 07:56:09,288 INFO L129 PetriNetUnfolder]: 498/1161 cut-off events. [2021-03-26 07:56:09,289 INFO L130 PetriNetUnfolder]: For 60231/60425 co-relation queries the response was YES. [2021-03-26 07:56:09,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14896 conditions, 1161 events. 498/1161 cut-off events. For 60231/60425 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 8221 event pairs, 17 based on Foata normal form. 25/1159 useless extension candidates. Maximal degree in co-relation 14727. Up to 359 conditions per place. [2021-03-26 07:56:09,317 INFO L142 LiptonReduction]: Number of co-enabled transitions 700 [2021-03-26 07:56:09,359 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:09,359 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:09,359 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 308 [2021-03-26 07:56:09,359 INFO L480 AbstractCegarLoop]: Abstraction has has 482 places, 613 transitions, 13592 flow [2021-03-26 07:56:09,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:09,359 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:09,359 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:09,359 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2021-03-26 07:56:09,360 INFO L428 AbstractCegarLoop]: === Iteration 174 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:09,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:09,360 INFO L82 PathProgramCache]: Analyzing trace with hash 640416437, now seen corresponding path program 12 times [2021-03-26 07:56:09,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:09,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146469364] [2021-03-26 07:56:09,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:09,367 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:09,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:09,372 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:09,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:09,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:09,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:09,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:09,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:09,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:09,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:09,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:09,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:56:09,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:09,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:56:09,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:09,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:56:09,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:09,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:56:09,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:09,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:09,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:09,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:09,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:09,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146469364] [2021-03-26 07:56:09,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:09,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:56:09,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417300853] [2021-03-26 07:56:09,482 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:56:09,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:09,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:56:09,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:56:09,483 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:56:09,483 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 613 transitions, 13592 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:09,483 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:09,483 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:56:09,483 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:10,505 INFO L129 PetriNetUnfolder]: 746/1523 cut-off events. [2021-03-26 07:56:10,505 INFO L130 PetriNetUnfolder]: For 91187/91204 co-relation queries the response was YES. [2021-03-26 07:56:10,523 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20910 conditions, 1523 events. 746/1523 cut-off events. For 91187/91204 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 10100 event pairs, 163 based on Foata normal form. 11/1533 useless extension candidates. Maximal degree in co-relation 20739. Up to 1356 conditions per place. [2021-03-26 07:56:10,532 INFO L132 encePairwiseOnDemand]: 129/144 looper letters, 562 selfloop transitions, 45 changer transitions 5/620 dead transitions. [2021-03-26 07:56:10,532 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 494 places, 620 transitions, 14889 flow [2021-03-26 07:56:10,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:56:10,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:56:10,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 408 transitions. [2021-03-26 07:56:10,533 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21794871794871795 [2021-03-26 07:56:10,533 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 408 transitions. [2021-03-26 07:56:10,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 408 transitions. [2021-03-26 07:56:10,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:10,534 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 408 transitions. [2021-03-26 07:56:10,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.384615384615383) internal successors, (408), 13 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:10,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 144.0) internal successors, (2016), 14 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:10,535 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 144.0) internal successors, (2016), 14 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:10,535 INFO L185 Difference]: Start difference. First operand has 482 places, 613 transitions, 13592 flow. Second operand 13 states and 408 transitions. [2021-03-26 07:56:10,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 494 places, 620 transitions, 14889 flow [2021-03-26 07:56:11,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 480 places, 620 transitions, 14738 flow, removed 12 selfloop flow, removed 14 redundant places. [2021-03-26 07:56:11,029 INFO L241 Difference]: Finished difference. Result has 482 places, 609 transitions, 13489 flow [2021-03-26 07:56:11,029 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=13443, PETRI_DIFFERENCE_MINUEND_PLACES=468, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=613, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=568, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=13489, PETRI_PLACES=482, PETRI_TRANSITIONS=609} [2021-03-26 07:56:11,029 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 443 predicate places. [2021-03-26 07:56:11,030 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:11,030 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 482 places, 609 transitions, 13489 flow [2021-03-26 07:56:11,030 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 482 places, 609 transitions, 13489 flow [2021-03-26 07:56:11,035 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 476 places, 609 transitions, 13489 flow [2021-03-26 07:56:11,263 INFO L129 PetriNetUnfolder]: 501/1164 cut-off events. [2021-03-26 07:56:11,263 INFO L130 PetriNetUnfolder]: For 60275/60485 co-relation queries the response was YES. [2021-03-26 07:56:11,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14939 conditions, 1164 events. 501/1164 cut-off events. For 60275/60485 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 8310 event pairs, 18 based on Foata normal form. 30/1168 useless extension candidates. Maximal degree in co-relation 14774. Up to 361 conditions per place. [2021-03-26 07:56:11,292 INFO L142 LiptonReduction]: Number of co-enabled transitions 700 [2021-03-26 07:56:11,332 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:11,332 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:11,332 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 302 [2021-03-26 07:56:11,333 INFO L480 AbstractCegarLoop]: Abstraction has has 476 places, 609 transitions, 13489 flow [2021-03-26 07:56:11,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:11,333 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:11,333 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:11,333 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2021-03-26 07:56:11,333 INFO L428 AbstractCegarLoop]: === Iteration 175 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:11,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:11,333 INFO L82 PathProgramCache]: Analyzing trace with hash -530194471, now seen corresponding path program 5 times [2021-03-26 07:56:11,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:11,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935648082] [2021-03-26 07:56:11,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:11,340 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:11,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:11,345 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:11,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:11,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:11,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:11,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:11,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:11,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:11,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:11,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:11,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:11,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:11,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:56:11,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:11,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:56:11,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:11,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:56:11,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:11,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:11,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:11,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:11,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:11,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935648082] [2021-03-26 07:56:11,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:11,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:56:11,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307176526] [2021-03-26 07:56:11,460 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:56:11,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:11,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:56:11,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:56:11,460 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:56:11,461 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 476 places, 609 transitions, 13489 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:11,461 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:11,461 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:56:11,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:12,706 INFO L129 PetriNetUnfolder]: 745/1518 cut-off events. [2021-03-26 07:56:12,706 INFO L130 PetriNetUnfolder]: For 89806/89823 co-relation queries the response was YES. [2021-03-26 07:56:12,721 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20844 conditions, 1518 events. 745/1518 cut-off events. For 89806/89823 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 10064 event pairs, 96 based on Foata normal form. 14/1531 useless extension candidates. Maximal degree in co-relation 20670. Up to 1175 conditions per place. [2021-03-26 07:56:12,729 INFO L132 encePairwiseOnDemand]: 119/144 looper letters, 392 selfloop transitions, 220 changer transitions 5/625 dead transitions. [2021-03-26 07:56:12,729 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 490 places, 625 transitions, 15098 flow [2021-03-26 07:56:12,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:56:12,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:56:12,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 487 transitions. [2021-03-26 07:56:12,731 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22546296296296298 [2021-03-26 07:56:12,731 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 487 transitions. [2021-03-26 07:56:12,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 487 transitions. [2021-03-26 07:56:12,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:12,731 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 487 transitions. [2021-03-26 07:56:12,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.46666666666667) internal successors, (487), 15 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:12,732 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 144.0) internal successors, (2304), 16 states have internal predecessors, (2304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:12,732 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 144.0) internal successors, (2304), 16 states have internal predecessors, (2304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:12,732 INFO L185 Difference]: Start difference. First operand has 476 places, 609 transitions, 13489 flow. Second operand 15 states and 487 transitions. [2021-03-26 07:56:12,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 490 places, 625 transitions, 15098 flow [2021-03-26 07:56:13,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 477 places, 625 transitions, 14987 flow, removed 4 selfloop flow, removed 13 redundant places. [2021-03-26 07:56:13,171 INFO L241 Difference]: Finished difference. Result has 479 places, 605 transitions, 13751 flow [2021-03-26 07:56:13,172 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=13380, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=609, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=220, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=13751, PETRI_PLACES=479, PETRI_TRANSITIONS=605} [2021-03-26 07:56:13,172 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 440 predicate places. [2021-03-26 07:56:13,172 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:13,172 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 479 places, 605 transitions, 13751 flow [2021-03-26 07:56:13,172 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 479 places, 605 transitions, 13751 flow [2021-03-26 07:56:13,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 476 places, 605 transitions, 13751 flow [2021-03-26 07:56:13,402 INFO L129 PetriNetUnfolder]: 494/1153 cut-off events. [2021-03-26 07:56:13,402 INFO L130 PetriNetUnfolder]: For 61097/61328 co-relation queries the response was YES. [2021-03-26 07:56:13,416 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15109 conditions, 1153 events. 494/1153 cut-off events. For 61097/61328 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 8175 event pairs, 17 based on Foata normal form. 26/1147 useless extension candidates. Maximal degree in co-relation 14934. Up to 360 conditions per place. [2021-03-26 07:56:13,430 INFO L142 LiptonReduction]: Number of co-enabled transitions 700 [2021-03-26 07:56:13,470 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:13,470 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:13,470 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 298 [2021-03-26 07:56:13,470 INFO L480 AbstractCegarLoop]: Abstraction has has 476 places, 605 transitions, 13751 flow [2021-03-26 07:56:13,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:13,471 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:13,471 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:13,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2021-03-26 07:56:13,471 INFO L428 AbstractCegarLoop]: === Iteration 176 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:13,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:13,471 INFO L82 PathProgramCache]: Analyzing trace with hash -340904333, now seen corresponding path program 13 times [2021-03-26 07:56:13,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:13,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842538909] [2021-03-26 07:56:13,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:13,478 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:13,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:13,484 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:13,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:13,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:13,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:13,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:13,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:13,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:13,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:13,529 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 07:56:13,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:56:13,549 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 07:56:13,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:56:13,570 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 07:56:13,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:13,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:13,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:56:13,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:13,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:56:13,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:13,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:13,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:13,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842538909] [2021-03-26 07:56:13,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:13,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:56:13,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385788228] [2021-03-26 07:56:13,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:56:13,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:13,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:56:13,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:56:13,623 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:56:13,623 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 476 places, 605 transitions, 13751 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:13,623 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:13,623 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:56:13,623 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:14,945 INFO L129 PetriNetUnfolder]: 745/1514 cut-off events. [2021-03-26 07:56:14,945 INFO L130 PetriNetUnfolder]: For 91273/91290 co-relation queries the response was YES. [2021-03-26 07:56:14,964 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21107 conditions, 1514 events. 745/1514 cut-off events. For 91273/91290 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 9973 event pairs, 157 based on Foata normal form. 15/1528 useless extension candidates. Maximal degree in co-relation 20927. Up to 1227 conditions per place. [2021-03-26 07:56:14,973 INFO L132 encePairwiseOnDemand]: 123/144 looper letters, 424 selfloop transitions, 176 changer transitions 13/621 dead transitions. [2021-03-26 07:56:14,973 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 497 places, 621 transitions, 15233 flow [2021-03-26 07:56:14,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-26 07:56:14,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-26 07:56:14,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 676 transitions. [2021-03-26 07:56:14,975 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21338383838383837 [2021-03-26 07:56:14,975 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 676 transitions. [2021-03-26 07:56:14,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 676 transitions. [2021-03-26 07:56:14,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:14,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 676 transitions. [2021-03-26 07:56:14,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 30.727272727272727) internal successors, (676), 22 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:14,977 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 144.0) internal successors, (3312), 23 states have internal predecessors, (3312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:14,977 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 144.0) internal successors, (3312), 23 states have internal predecessors, (3312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:14,977 INFO L185 Difference]: Start difference. First operand has 476 places, 605 transitions, 13751 flow. Second operand 22 states and 676 transitions. [2021-03-26 07:56:14,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 497 places, 621 transitions, 15233 flow [2021-03-26 07:56:15,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 479 places, 621 transitions, 14754 flow, removed 1 selfloop flow, removed 18 redundant places. [2021-03-26 07:56:15,447 INFO L241 Difference]: Finished difference. Result has 484 places, 598 transitions, 13514 flow [2021-03-26 07:56:15,448 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=13278, PETRI_DIFFERENCE_MINUEND_PLACES=458, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=605, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=176, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=13514, PETRI_PLACES=484, PETRI_TRANSITIONS=598} [2021-03-26 07:56:15,448 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 445 predicate places. [2021-03-26 07:56:15,448 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:15,448 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 484 places, 598 transitions, 13514 flow [2021-03-26 07:56:15,448 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 484 places, 598 transitions, 13514 flow [2021-03-26 07:56:15,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 469 places, 598 transitions, 13514 flow [2021-03-26 07:56:15,684 INFO L129 PetriNetUnfolder]: 499/1154 cut-off events. [2021-03-26 07:56:15,684 INFO L130 PetriNetUnfolder]: For 62032/62275 co-relation queries the response was YES. [2021-03-26 07:56:15,698 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15113 conditions, 1154 events. 499/1154 cut-off events. For 62032/62275 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 8123 event pairs, 18 based on Foata normal form. 29/1154 useless extension candidates. Maximal degree in co-relation 14938. Up to 368 conditions per place. [2021-03-26 07:56:15,713 INFO L142 LiptonReduction]: Number of co-enabled transitions 698 [2021-03-26 07:56:15,752 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:15,753 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:15,753 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 305 [2021-03-26 07:56:15,753 INFO L480 AbstractCegarLoop]: Abstraction has has 469 places, 598 transitions, 13514 flow [2021-03-26 07:56:15,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:15,753 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:15,753 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:15,753 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2021-03-26 07:56:15,753 INFO L428 AbstractCegarLoop]: === Iteration 177 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:15,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:15,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1175646239, now seen corresponding path program 14 times [2021-03-26 07:56:15,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:15,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478007188] [2021-03-26 07:56:15,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:15,761 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:15,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:15,766 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:15,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:15,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:15,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:15,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:15,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:15,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:15,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:15,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:15,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:56:15,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:15,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:56:15,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:15,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:56:15,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:15,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:56:15,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:15,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:15,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:15,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:15,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:15,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478007188] [2021-03-26 07:56:15,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:15,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:56:15,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013516487] [2021-03-26 07:56:15,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:56:15,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:15,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:56:15,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:56:15,893 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:56:15,893 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 469 places, 598 transitions, 13514 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:15,893 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:15,893 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:56:15,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:16,874 INFO L129 PetriNetUnfolder]: 743/1498 cut-off events. [2021-03-26 07:56:16,874 INFO L130 PetriNetUnfolder]: For 92900/92917 co-relation queries the response was YES. [2021-03-26 07:56:16,891 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20872 conditions, 1498 events. 743/1498 cut-off events. For 92900/92917 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 9846 event pairs, 163 based on Foata normal form. 11/1508 useless extension candidates. Maximal degree in co-relation 20695. Up to 1343 conditions per place. [2021-03-26 07:56:16,900 INFO L132 encePairwiseOnDemand]: 129/144 looper letters, 552 selfloop transitions, 37 changer transitions 7/604 dead transitions. [2021-03-26 07:56:16,900 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 604 transitions, 14771 flow [2021-03-26 07:56:16,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:56:16,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:56:16,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 431 transitions. [2021-03-26 07:56:16,902 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21378968253968253 [2021-03-26 07:56:16,902 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 431 transitions. [2021-03-26 07:56:16,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 431 transitions. [2021-03-26 07:56:16,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:16,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 431 transitions. [2021-03-26 07:56:16,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 30.785714285714285) internal successors, (431), 14 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:16,903 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 144.0) internal successors, (2160), 15 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:16,903 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 144.0) internal successors, (2160), 15 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:16,903 INFO L185 Difference]: Start difference. First operand has 469 places, 598 transitions, 13514 flow. Second operand 14 states and 431 transitions. [2021-03-26 07:56:16,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 604 transitions, 14771 flow [2021-03-26 07:56:17,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 462 places, 604 transitions, 14322 flow, removed 9 selfloop flow, removed 20 redundant places. [2021-03-26 07:56:17,408 INFO L241 Difference]: Finished difference. Result has 463 places, 591 transitions, 13005 flow [2021-03-26 07:56:17,409 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=13067, PETRI_DIFFERENCE_MINUEND_PLACES=449, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=598, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=561, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=13005, PETRI_PLACES=463, PETRI_TRANSITIONS=591} [2021-03-26 07:56:17,409 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 424 predicate places. [2021-03-26 07:56:17,409 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:17,409 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 463 places, 591 transitions, 13005 flow [2021-03-26 07:56:17,409 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 463 places, 591 transitions, 13005 flow [2021-03-26 07:56:17,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 452 places, 591 transitions, 13005 flow [2021-03-26 07:56:17,603 INFO L129 PetriNetUnfolder]: 496/1134 cut-off events. [2021-03-26 07:56:17,603 INFO L130 PetriNetUnfolder]: For 60155/60358 co-relation queries the response was YES. [2021-03-26 07:56:17,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14613 conditions, 1134 events. 496/1134 cut-off events. For 60155/60358 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 7883 event pairs, 17 based on Foata normal form. 27/1134 useless extension candidates. Maximal degree in co-relation 14446. Up to 358 conditions per place. [2021-03-26 07:56:17,631 INFO L142 LiptonReduction]: Number of co-enabled transitions 698 [2021-03-26 07:56:17,670 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:17,670 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:17,670 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 261 [2021-03-26 07:56:17,670 INFO L480 AbstractCegarLoop]: Abstraction has has 452 places, 591 transitions, 13005 flow [2021-03-26 07:56:17,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:17,671 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:17,671 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:17,671 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2021-03-26 07:56:17,671 INFO L428 AbstractCegarLoop]: === Iteration 178 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:17,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:17,671 INFO L82 PathProgramCache]: Analyzing trace with hash -506704629, now seen corresponding path program 4 times [2021-03-26 07:56:17,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:17,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619418677] [2021-03-26 07:56:17,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:17,678 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:17,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:17,683 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:17,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:17,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:17,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:17,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:17,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:17,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:17,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:17,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:17,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:17,740 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:56:17,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:17,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:17,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:17,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:17,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:17,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:17,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:17,797 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:17,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:17,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:17,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619418677] [2021-03-26 07:56:17,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:17,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:56:17,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978718931] [2021-03-26 07:56:17,800 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:56:17,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:17,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:56:17,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:56:17,801 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:56:17,801 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 591 transitions, 13005 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:17,801 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:17,801 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:56:17,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:18,799 INFO L129 PetriNetUnfolder]: 759/1529 cut-off events. [2021-03-26 07:56:18,800 INFO L130 PetriNetUnfolder]: For 91352/91369 co-relation queries the response was YES. [2021-03-26 07:56:18,816 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21015 conditions, 1529 events. 759/1529 cut-off events. For 91352/91369 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 10028 event pairs, 149 based on Foata normal form. 14/1542 useless extension candidates. Maximal degree in co-relation 20835. Up to 1142 conditions per place. [2021-03-26 07:56:18,823 INFO L132 encePairwiseOnDemand]: 123/144 looper letters, 397 selfloop transitions, 221 changer transitions 2/628 dead transitions. [2021-03-26 07:56:18,824 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 628 transitions, 15159 flow [2021-03-26 07:56:18,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 07:56:18,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 07:56:18,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 581 transitions. [2021-03-26 07:56:18,825 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22415123456790123 [2021-03-26 07:56:18,825 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 581 transitions. [2021-03-26 07:56:18,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 581 transitions. [2021-03-26 07:56:18,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:18,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 581 transitions. [2021-03-26 07:56:18,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 32.27777777777778) internal successors, (581), 18 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:18,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 144.0) internal successors, (2736), 19 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:18,826 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 144.0) internal successors, (2736), 19 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:18,826 INFO L185 Difference]: Start difference. First operand has 452 places, 591 transitions, 13005 flow. Second operand 18 states and 581 transitions. [2021-03-26 07:56:18,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 628 transitions, 15159 flow [2021-03-26 07:56:19,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 628 transitions, 14919 flow, removed 49 selfloop flow, removed 16 redundant places. [2021-03-26 07:56:19,242 INFO L241 Difference]: Finished difference. Result has 458 places, 605 transitions, 13780 flow [2021-03-26 07:56:19,243 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=12793, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=591, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=208, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=13780, PETRI_PLACES=458, PETRI_TRANSITIONS=605} [2021-03-26 07:56:19,243 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 419 predicate places. [2021-03-26 07:56:19,243 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:19,243 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 458 places, 605 transitions, 13780 flow [2021-03-26 07:56:19,243 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 458 places, 605 transitions, 13780 flow [2021-03-26 07:56:19,248 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 457 places, 605 transitions, 13780 flow [2021-03-26 07:56:19,435 INFO L129 PetriNetUnfolder]: 514/1181 cut-off events. [2021-03-26 07:56:19,435 INFO L130 PetriNetUnfolder]: For 59002/59225 co-relation queries the response was YES. [2021-03-26 07:56:19,448 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15308 conditions, 1181 events. 514/1181 cut-off events. For 59002/59225 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 8337 event pairs, 20 based on Foata normal form. 16/1166 useless extension candidates. Maximal degree in co-relation 15138. Up to 368 conditions per place. [2021-03-26 07:56:19,459 INFO L142 LiptonReduction]: Number of co-enabled transitions 700 [2021-03-26 07:56:19,498 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:19,499 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:19,499 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 256 [2021-03-26 07:56:19,499 INFO L480 AbstractCegarLoop]: Abstraction has has 457 places, 605 transitions, 13780 flow [2021-03-26 07:56:19,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:19,499 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:19,499 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:19,499 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2021-03-26 07:56:19,499 INFO L428 AbstractCegarLoop]: === Iteration 179 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:19,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:19,499 INFO L82 PathProgramCache]: Analyzing trace with hash 2018854004, now seen corresponding path program 17 times [2021-03-26 07:56:19,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:19,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62434726] [2021-03-26 07:56:19,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:19,505 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:19,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:19,510 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:19,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:19,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:19,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:19,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:19,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:19,536 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:56:19,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:56:19,558 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:56:19,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:19,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:19,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:19,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:19,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:19,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:19,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:19,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:19,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:19,640 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:19,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:19,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:19,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62434726] [2021-03-26 07:56:19,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:19,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:56:19,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269556513] [2021-03-26 07:56:19,643 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:56:19,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:19,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:56:19,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:56:19,643 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:56:19,643 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 605 transitions, 13780 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:19,643 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:19,643 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:56:19,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:20,747 INFO L129 PetriNetUnfolder]: 758/1529 cut-off events. [2021-03-26 07:56:20,748 INFO L130 PetriNetUnfolder]: For 88974/88991 co-relation queries the response was YES. [2021-03-26 07:56:20,764 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21057 conditions, 1529 events. 758/1529 cut-off events. For 88974/88991 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 10042 event pairs, 157 based on Foata normal form. 11/1539 useless extension candidates. Maximal degree in co-relation 20880. Up to 1309 conditions per place. [2021-03-26 07:56:20,773 INFO L132 encePairwiseOnDemand]: 124/144 looper letters, 489 selfloop transitions, 115 changer transitions 4/616 dead transitions. [2021-03-26 07:56:20,773 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 474 places, 616 transitions, 15145 flow [2021-03-26 07:56:20,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 07:56:20,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 07:56:20,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 560 transitions. [2021-03-26 07:56:20,774 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21604938271604937 [2021-03-26 07:56:20,774 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 560 transitions. [2021-03-26 07:56:20,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 560 transitions. [2021-03-26 07:56:20,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:20,774 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 560 transitions. [2021-03-26 07:56:20,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 31.11111111111111) internal successors, (560), 18 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:20,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 144.0) internal successors, (2736), 19 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:20,776 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 144.0) internal successors, (2736), 19 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:20,776 INFO L185 Difference]: Start difference. First operand has 457 places, 605 transitions, 13780 flow. Second operand 18 states and 560 transitions. [2021-03-26 07:56:20,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 474 places, 616 transitions, 15145 flow [2021-03-26 07:56:21,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 616 transitions, 14713 flow, removed 78 selfloop flow, removed 15 redundant places. [2021-03-26 07:56:21,184 INFO L241 Difference]: Finished difference. Result has 461 places, 602 transitions, 13553 flow [2021-03-26 07:56:21,185 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=13348, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=605, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=490, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=13553, PETRI_PLACES=461, PETRI_TRANSITIONS=602} [2021-03-26 07:56:21,185 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 422 predicate places. [2021-03-26 07:56:21,185 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:21,185 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 461 places, 602 transitions, 13553 flow [2021-03-26 07:56:21,185 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 461 places, 602 transitions, 13553 flow [2021-03-26 07:56:21,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 457 places, 602 transitions, 13553 flow [2021-03-26 07:56:21,404 INFO L129 PetriNetUnfolder]: 507/1165 cut-off events. [2021-03-26 07:56:21,404 INFO L130 PetriNetUnfolder]: For 56874/57081 co-relation queries the response was YES. [2021-03-26 07:56:21,416 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15128 conditions, 1165 events. 507/1165 cut-off events. For 56874/57081 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 8188 event pairs, 20 based on Foata normal form. 18/1151 useless extension candidates. Maximal degree in co-relation 14957. Up to 360 conditions per place. [2021-03-26 07:56:21,428 INFO L142 LiptonReduction]: Number of co-enabled transitions 700 [2021-03-26 07:56:21,464 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:21,465 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:21,465 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 280 [2021-03-26 07:56:21,465 INFO L480 AbstractCegarLoop]: Abstraction has has 457 places, 602 transitions, 13553 flow [2021-03-26 07:56:21,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:21,465 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:21,465 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:21,465 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2021-03-26 07:56:21,465 INFO L428 AbstractCegarLoop]: === Iteration 180 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:21,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:21,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1523377573, now seen corresponding path program 2 times [2021-03-26 07:56:21,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:21,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864356267] [2021-03-26 07:56:21,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:21,471 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:21,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:21,476 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:21,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:21,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:21,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:21,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:21,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:21,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:21,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:21,514 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:56:21,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:56:21,517 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:56:21,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:21,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:21,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:21,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:21,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:21,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:21,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:21,583 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:21,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:21,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:21,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864356267] [2021-03-26 07:56:21,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:21,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:56:21,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603604459] [2021-03-26 07:56:21,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:56:21,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:21,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:56:21,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:56:21,586 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:56:21,586 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 602 transitions, 13553 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:21,586 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:21,586 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:56:21,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:22,634 INFO L129 PetriNetUnfolder]: 757/1527 cut-off events. [2021-03-26 07:56:22,634 INFO L130 PetriNetUnfolder]: For 86846/86874 co-relation queries the response was YES. [2021-03-26 07:56:22,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20991 conditions, 1527 events. 757/1527 cut-off events. For 86846/86874 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 10074 event pairs, 98 based on Foata normal form. 19/1545 useless extension candidates. Maximal degree in co-relation 20813. Up to 1172 conditions per place. [2021-03-26 07:56:22,660 INFO L132 encePairwiseOnDemand]: 121/144 looper letters, 374 selfloop transitions, 227 changer transitions 12/621 dead transitions. [2021-03-26 07:56:22,660 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 472 places, 621 transitions, 15232 flow [2021-03-26 07:56:22,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:56:22,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:56:22,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 519 transitions. [2021-03-26 07:56:22,662 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22526041666666666 [2021-03-26 07:56:22,662 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 519 transitions. [2021-03-26 07:56:22,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 519 transitions. [2021-03-26 07:56:22,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:22,662 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 519 transitions. [2021-03-26 07:56:22,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.4375) internal successors, (519), 16 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:22,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 144.0) internal successors, (2448), 17 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:22,663 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 144.0) internal successors, (2448), 17 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:22,663 INFO L185 Difference]: Start difference. First operand has 457 places, 602 transitions, 13553 flow. Second operand 16 states and 519 transitions. [2021-03-26 07:56:22,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 472 places, 621 transitions, 15232 flow [2021-03-26 07:56:23,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 621 transitions, 14993 flow, removed 2 selfloop flow, removed 16 redundant places. [2021-03-26 07:56:23,130 INFO L241 Difference]: Finished difference. Result has 458 places, 593 transitions, 13557 flow [2021-03-26 07:56:23,131 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=13314, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=227, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=13557, PETRI_PLACES=458, PETRI_TRANSITIONS=593} [2021-03-26 07:56:23,131 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 419 predicate places. [2021-03-26 07:56:23,131 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:23,131 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 458 places, 593 transitions, 13557 flow [2021-03-26 07:56:23,131 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 458 places, 593 transitions, 13557 flow [2021-03-26 07:56:23,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 451 places, 593 transitions, 13557 flow [2021-03-26 07:56:23,349 INFO L129 PetriNetUnfolder]: 502/1157 cut-off events. [2021-03-26 07:56:23,349 INFO L130 PetriNetUnfolder]: For 58088/58277 co-relation queries the response was YES. [2021-03-26 07:56:23,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15153 conditions, 1157 events. 502/1157 cut-off events. For 58088/58277 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 8147 event pairs, 18 based on Foata normal form. 24/1156 useless extension candidates. Maximal degree in co-relation 14982. Up to 365 conditions per place. [2021-03-26 07:56:23,378 INFO L142 LiptonReduction]: Number of co-enabled transitions 698 [2021-03-26 07:56:23,416 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:23,416 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:23,416 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 285 [2021-03-26 07:56:23,416 INFO L480 AbstractCegarLoop]: Abstraction has has 451 places, 593 transitions, 13557 flow [2021-03-26 07:56:23,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:23,417 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:23,417 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:23,417 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2021-03-26 07:56:23,417 INFO L428 AbstractCegarLoop]: === Iteration 181 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:23,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:23,417 INFO L82 PathProgramCache]: Analyzing trace with hash 428086087, now seen corresponding path program 6 times [2021-03-26 07:56:23,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:23,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876782781] [2021-03-26 07:56:23,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:23,424 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:23,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:23,428 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:23,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:23,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:23,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:23,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:23,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:23,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:23,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:23,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:23,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:23,484 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 07:56:23,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:56:23,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:23,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:56:23,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:23,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:56:23,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:23,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:23,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:23,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:23,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:23,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876782781] [2021-03-26 07:56:23,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:23,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:56:23,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545180225] [2021-03-26 07:56:23,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:56:23,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:23,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:56:23,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:56:23,546 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:56:23,546 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 593 transitions, 13557 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:23,546 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:23,546 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:56:23,546 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:24,538 INFO L129 PetriNetUnfolder]: 752/1510 cut-off events. [2021-03-26 07:56:24,539 INFO L130 PetriNetUnfolder]: For 88257/88274 co-relation queries the response was YES. [2021-03-26 07:56:24,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20991 conditions, 1510 events. 752/1510 cut-off events. For 88257/88274 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 9843 event pairs, 100 based on Foata normal form. 14/1523 useless extension candidates. Maximal degree in co-relation 20813. Up to 1164 conditions per place. [2021-03-26 07:56:24,563 INFO L132 encePairwiseOnDemand]: 121/144 looper letters, 369 selfloop transitions, 222 changer transitions 10/609 dead transitions. [2021-03-26 07:56:24,563 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 609 transitions, 15150 flow [2021-03-26 07:56:24,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:56:24,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:56:24,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 515 transitions. [2021-03-26 07:56:24,564 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22352430555555555 [2021-03-26 07:56:24,564 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 515 transitions. [2021-03-26 07:56:24,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 515 transitions. [2021-03-26 07:56:24,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:24,564 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 515 transitions. [2021-03-26 07:56:24,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.1875) internal successors, (515), 16 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:24,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 144.0) internal successors, (2448), 17 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:24,566 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 144.0) internal successors, (2448), 17 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:24,566 INFO L185 Difference]: Start difference. First operand has 451 places, 593 transitions, 13557 flow. Second operand 16 states and 515 transitions. [2021-03-26 07:56:24,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 609 transitions, 15150 flow [2021-03-26 07:56:24,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 609 transitions, 14615 flow, removed 5 selfloop flow, removed 18 redundant places. [2021-03-26 07:56:24,977 INFO L241 Difference]: Finished difference. Result has 449 places, 583 transitions, 13210 flow [2021-03-26 07:56:24,978 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=13022, PETRI_DIFFERENCE_MINUEND_PLACES=433, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=593, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=222, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=13210, PETRI_PLACES=449, PETRI_TRANSITIONS=583} [2021-03-26 07:56:24,978 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 410 predicate places. [2021-03-26 07:56:24,978 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:24,978 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 449 places, 583 transitions, 13210 flow [2021-03-26 07:56:24,978 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 449 places, 583 transitions, 13210 flow [2021-03-26 07:56:24,982 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 441 places, 583 transitions, 13210 flow [2021-03-26 07:56:25,164 INFO L129 PetriNetUnfolder]: 496/1143 cut-off events. [2021-03-26 07:56:25,164 INFO L130 PetriNetUnfolder]: For 56733/56926 co-relation queries the response was YES. [2021-03-26 07:56:25,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14852 conditions, 1143 events. 496/1143 cut-off events. For 56733/56926 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 8005 event pairs, 14 based on Foata normal form. 24/1142 useless extension candidates. Maximal degree in co-relation 14683. Up to 355 conditions per place. [2021-03-26 07:56:25,189 INFO L142 LiptonReduction]: Number of co-enabled transitions 698 [2021-03-26 07:56:25,225 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:25,225 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:25,225 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 247 [2021-03-26 07:56:25,226 INFO L480 AbstractCegarLoop]: Abstraction has has 441 places, 583 transitions, 13210 flow [2021-03-26 07:56:25,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:25,226 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:25,226 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:25,226 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2021-03-26 07:56:25,226 INFO L428 AbstractCegarLoop]: === Iteration 182 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:25,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:25,226 INFO L82 PathProgramCache]: Analyzing trace with hash 437278878, now seen corresponding path program 18 times [2021-03-26 07:56:25,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:25,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676571253] [2021-03-26 07:56:25,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:25,232 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:25,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:25,237 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:25,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:25,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:25,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:25,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:25,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:25,263 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:56:25,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:56:25,286 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:56:25,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:25,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:25,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:25,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:25,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:25,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:25,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:25,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:25,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:25,386 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:25,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:25,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:25,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676571253] [2021-03-26 07:56:25,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:25,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:56:25,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407912745] [2021-03-26 07:56:25,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:56:25,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:25,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:56:25,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:56:25,389 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:56:25,389 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 583 transitions, 13210 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:25,389 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:25,389 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:56:25,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:26,199 INFO L129 PetriNetUnfolder]: 750/1500 cut-off events. [2021-03-26 07:56:26,200 INFO L130 PetriNetUnfolder]: For 87037/87054 co-relation queries the response was YES. [2021-03-26 07:56:26,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20793 conditions, 1500 events. 750/1500 cut-off events. For 87037/87054 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 9732 event pairs, 159 based on Foata normal form. 11/1510 useless extension candidates. Maximal degree in co-relation 20617. Up to 1287 conditions per place. [2021-03-26 07:56:26,226 INFO L132 encePairwiseOnDemand]: 126/144 looper letters, 476 selfloop transitions, 107 changer transitions 3/594 dead transitions. [2021-03-26 07:56:26,226 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 594 transitions, 14523 flow [2021-03-26 07:56:26,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:56:26,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:56:26,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 477 transitions. [2021-03-26 07:56:26,227 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22083333333333333 [2021-03-26 07:56:26,227 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 477 transitions. [2021-03-26 07:56:26,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 477 transitions. [2021-03-26 07:56:26,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:26,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 477 transitions. [2021-03-26 07:56:26,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.8) internal successors, (477), 15 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:26,229 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 144.0) internal successors, (2304), 16 states have internal predecessors, (2304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:26,229 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 144.0) internal successors, (2304), 16 states have internal predecessors, (2304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:26,229 INFO L185 Difference]: Start difference. First operand has 441 places, 583 transitions, 13210 flow. Second operand 15 states and 477 transitions. [2021-03-26 07:56:26,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 594 transitions, 14523 flow [2021-03-26 07:56:26,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 594 transitions, 13723 flow, removed 44 selfloop flow, removed 21 redundant places. [2021-03-26 07:56:26,678 INFO L241 Difference]: Finished difference. Result has 436 places, 581 transitions, 12614 flow [2021-03-26 07:56:26,679 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=12418, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=583, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=107, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=476, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=12614, PETRI_PLACES=436, PETRI_TRANSITIONS=581} [2021-03-26 07:56:26,679 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 397 predicate places. [2021-03-26 07:56:26,679 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:26,679 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 436 places, 581 transitions, 12614 flow [2021-03-26 07:56:26,679 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 436 places, 581 transitions, 12614 flow [2021-03-26 07:56:26,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 433 places, 581 transitions, 12614 flow [2021-03-26 07:56:26,895 INFO L129 PetriNetUnfolder]: 499/1136 cut-off events. [2021-03-26 07:56:26,895 INFO L130 PetriNetUnfolder]: For 53836/54048 co-relation queries the response was YES. [2021-03-26 07:56:26,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14287 conditions, 1136 events. 499/1136 cut-off events. For 53836/54048 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 7862 event pairs, 20 based on Foata normal form. 30/1134 useless extension candidates. Maximal degree in co-relation 14125. Up to 358 conditions per place. [2021-03-26 07:56:26,923 INFO L142 LiptonReduction]: Number of co-enabled transitions 698 [2021-03-26 07:56:26,961 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:26,961 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:26,961 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 282 [2021-03-26 07:56:26,962 INFO L480 AbstractCegarLoop]: Abstraction has has 433 places, 581 transitions, 12614 flow [2021-03-26 07:56:26,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:26,962 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:26,962 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:26,962 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2021-03-26 07:56:26,962 INFO L428 AbstractCegarLoop]: === Iteration 183 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:26,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:26,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1991353781, now seen corresponding path program 3 times [2021-03-26 07:56:26,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:26,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96638487] [2021-03-26 07:56:26,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:26,969 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:26,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:26,974 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:26,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:26,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:26,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:26,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:26,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:26,999 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:56:27,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:56:27,020 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:56:27,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:27,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:27,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:27,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:27,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:27,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:27,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:27,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:27,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:27,096 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:27,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:27,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:27,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96638487] [2021-03-26 07:56:27,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:27,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:56:27,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100969871] [2021-03-26 07:56:27,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:56:27,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:27,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:56:27,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:56:27,099 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:56:27,099 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 581 transitions, 12614 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:27,099 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:27,099 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:56:27,099 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:28,049 INFO L129 PetriNetUnfolder]: 749/1494 cut-off events. [2021-03-26 07:56:28,050 INFO L130 PetriNetUnfolder]: For 81073/81090 co-relation queries the response was YES. [2021-03-26 07:56:28,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19978 conditions, 1494 events. 749/1494 cut-off events. For 81073/81090 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 9639 event pairs, 159 based on Foata normal form. 11/1504 useless extension candidates. Maximal degree in co-relation 19813. Up to 1223 conditions per place. [2021-03-26 07:56:28,072 INFO L132 encePairwiseOnDemand]: 123/144 looper letters, 455 selfloop transitions, 131 changer transitions 7/601 dead transitions. [2021-03-26 07:56:28,072 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 601 transitions, 14221 flow [2021-03-26 07:56:28,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 07:56:28,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 07:56:28,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 594 transitions. [2021-03-26 07:56:28,074 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21710526315789475 [2021-03-26 07:56:28,074 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 594 transitions. [2021-03-26 07:56:28,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 594 transitions. [2021-03-26 07:56:28,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:28,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 594 transitions. [2021-03-26 07:56:28,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 31.263157894736842) internal successors, (594), 19 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:28,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 144.0) internal successors, (2880), 20 states have internal predecessors, (2880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:28,089 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 144.0) internal successors, (2880), 20 states have internal predecessors, (2880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:28,089 INFO L185 Difference]: Start difference. First operand has 433 places, 581 transitions, 12614 flow. Second operand 19 states and 594 transitions. [2021-03-26 07:56:28,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 601 transitions, 14221 flow [2021-03-26 07:56:28,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 601 transitions, 13987 flow, removed 5 selfloop flow, removed 16 redundant places. [2021-03-26 07:56:28,525 INFO L241 Difference]: Finished difference. Result has 437 places, 575 transitions, 12497 flow [2021-03-26 07:56:28,525 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=12380, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=581, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=450, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=12497, PETRI_PLACES=437, PETRI_TRANSITIONS=575} [2021-03-26 07:56:28,525 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 398 predicate places. [2021-03-26 07:56:28,526 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:28,526 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 437 places, 575 transitions, 12497 flow [2021-03-26 07:56:28,526 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 437 places, 575 transitions, 12497 flow [2021-03-26 07:56:28,530 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 431 places, 575 transitions, 12497 flow [2021-03-26 07:56:28,698 INFO L129 PetriNetUnfolder]: 503/1135 cut-off events. [2021-03-26 07:56:28,698 INFO L130 PetriNetUnfolder]: For 54173/54395 co-relation queries the response was YES. [2021-03-26 07:56:28,710 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14319 conditions, 1135 events. 503/1135 cut-off events. For 54173/54395 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 7782 event pairs, 22 based on Foata normal form. 30/1133 useless extension candidates. Maximal degree in co-relation 14155. Up to 362 conditions per place. [2021-03-26 07:56:28,723 INFO L142 LiptonReduction]: Number of co-enabled transitions 698 [2021-03-26 07:56:28,757 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:28,758 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:28,758 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 233 [2021-03-26 07:56:28,758 INFO L480 AbstractCegarLoop]: Abstraction has has 431 places, 575 transitions, 12497 flow [2021-03-26 07:56:28,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:28,758 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:28,758 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:28,758 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2021-03-26 07:56:28,758 INFO L428 AbstractCegarLoop]: === Iteration 184 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:28,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:28,758 INFO L82 PathProgramCache]: Analyzing trace with hash 892295448, now seen corresponding path program 6 times [2021-03-26 07:56:28,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:28,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667003345] [2021-03-26 07:56:28,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:28,783 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:28,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:28,787 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:28,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:28,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:28,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:28,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:28,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:28,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:28,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:28,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:28,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:28,843 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:56:28,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:28,869 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:56:28,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:56:28,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:28,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:28,916 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:56:28,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:28,923 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:28,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:28,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:28,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667003345] [2021-03-26 07:56:28,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:28,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:56:28,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796539454] [2021-03-26 07:56:28,926 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:56:28,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:28,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:56:28,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:56:28,927 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:56:28,927 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 575 transitions, 12497 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:28,927 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:28,927 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:56:28,927 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:29,876 INFO L129 PetriNetUnfolder]: 749/1500 cut-off events. [2021-03-26 07:56:29,876 INFO L130 PetriNetUnfolder]: For 79146/79150 co-relation queries the response was YES. [2021-03-26 07:56:29,891 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19987 conditions, 1500 events. 749/1500 cut-off events. For 79146/79150 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 9738 event pairs, 135 based on Foata normal form. 5/1504 useless extension candidates. Maximal degree in co-relation 19816. Up to 1158 conditions per place. [2021-03-26 07:56:29,898 INFO L132 encePairwiseOnDemand]: 125/144 looper letters, 385 selfloop transitions, 185 changer transitions 17/595 dead transitions. [2021-03-26 07:56:29,898 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 595 transitions, 14072 flow [2021-03-26 07:56:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 07:56:29,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 07:56:29,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 603 transitions. [2021-03-26 07:56:29,900 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22039473684210525 [2021-03-26 07:56:29,900 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 603 transitions. [2021-03-26 07:56:29,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 603 transitions. [2021-03-26 07:56:29,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:29,900 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 603 transitions. [2021-03-26 07:56:29,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 31.736842105263158) internal successors, (603), 19 states have internal predecessors, (603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:29,901 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 144.0) internal successors, (2880), 20 states have internal predecessors, (2880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:29,901 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 144.0) internal successors, (2880), 20 states have internal predecessors, (2880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:29,901 INFO L185 Difference]: Start difference. First operand has 431 places, 575 transitions, 12497 flow. Second operand 19 states and 603 transitions. [2021-03-26 07:56:29,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 595 transitions, 14072 flow [2021-03-26 07:56:30,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 595 transitions, 13774 flow, removed 3 selfloop flow, removed 22 redundant places. [2021-03-26 07:56:30,239 INFO L241 Difference]: Finished difference. Result has 431 places, 566 transitions, 12243 flow [2021-03-26 07:56:30,240 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=12207, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=575, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=185, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=12243, PETRI_PLACES=431, PETRI_TRANSITIONS=566} [2021-03-26 07:56:30,240 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 392 predicate places. [2021-03-26 07:56:30,240 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:30,240 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 431 places, 566 transitions, 12243 flow [2021-03-26 07:56:30,240 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 431 places, 566 transitions, 12243 flow [2021-03-26 07:56:30,244 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 424 places, 566 transitions, 12243 flow [2021-03-26 07:56:30,406 INFO L129 PetriNetUnfolder]: 493/1121 cut-off events. [2021-03-26 07:56:30,406 INFO L130 PetriNetUnfolder]: For 51733/51926 co-relation queries the response was YES. [2021-03-26 07:56:30,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14091 conditions, 1121 events. 493/1121 cut-off events. For 51733/51926 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 7723 event pairs, 19 based on Foata normal form. 35/1128 useless extension candidates. Maximal degree in co-relation 13931. Up to 356 conditions per place. [2021-03-26 07:56:30,429 INFO L142 LiptonReduction]: Number of co-enabled transitions 688 [2021-03-26 07:56:30,463 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:30,463 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:30,463 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 223 [2021-03-26 07:56:30,464 INFO L480 AbstractCegarLoop]: Abstraction has has 424 places, 566 transitions, 12243 flow [2021-03-26 07:56:30,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:30,464 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:30,464 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:30,464 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2021-03-26 07:56:30,464 INFO L428 AbstractCegarLoop]: === Iteration 185 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:30,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:30,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1819921452, now seen corresponding path program 19 times [2021-03-26 07:56:30,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:30,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86682774] [2021-03-26 07:56:30,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:30,472 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:30,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:30,477 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:30,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:30,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:30,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:30,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:30,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:30,502 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:56:30,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:56:30,524 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:56:30,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:30,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:30,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:30,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:30,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:30,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:30,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:30,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:30,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:30,606 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:30,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:30,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:30,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86682774] [2021-03-26 07:56:30,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:30,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:56:30,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273229297] [2021-03-26 07:56:30,609 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:56:30,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:30,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:56:30,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:56:30,609 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:56:30,609 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 566 transitions, 12243 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:30,609 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:30,609 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:56:30,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:31,515 INFO L129 PetriNetUnfolder]: 743/1470 cut-off events. [2021-03-26 07:56:31,516 INFO L130 PetriNetUnfolder]: For 78816/78833 co-relation queries the response was YES. [2021-03-26 07:56:31,531 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19753 conditions, 1470 events. 743/1470 cut-off events. For 78816/78833 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 9397 event pairs, 154 based on Foata normal form. 11/1480 useless extension candidates. Maximal degree in co-relation 19591. Up to 1270 conditions per place. [2021-03-26 07:56:31,538 INFO L132 encePairwiseOnDemand]: 126/144 looper letters, 466 selfloop transitions, 99 changer transitions 4/577 dead transitions. [2021-03-26 07:56:31,538 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 577 transitions, 13513 flow [2021-03-26 07:56:31,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:56:31,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:56:31,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 475 transitions. [2021-03-26 07:56:31,540 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2199074074074074 [2021-03-26 07:56:31,540 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 475 transitions. [2021-03-26 07:56:31,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 475 transitions. [2021-03-26 07:56:31,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:31,540 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 475 transitions. [2021-03-26 07:56:31,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.666666666666668) internal successors, (475), 15 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:31,541 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 144.0) internal successors, (2304), 16 states have internal predecessors, (2304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:31,541 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 144.0) internal successors, (2304), 16 states have internal predecessors, (2304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:31,541 INFO L185 Difference]: Start difference. First operand has 424 places, 566 transitions, 12243 flow. Second operand 15 states and 475 transitions. [2021-03-26 07:56:31,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 577 transitions, 13513 flow [2021-03-26 07:56:31,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 577 transitions, 13131 flow, removed 19 selfloop flow, removed 19 redundant places. [2021-03-26 07:56:31,931 INFO L241 Difference]: Finished difference. Result has 420 places, 562 transitions, 12011 flow [2021-03-26 07:56:31,932 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=11863, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=566, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=99, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=12011, PETRI_PLACES=420, PETRI_TRANSITIONS=562} [2021-03-26 07:56:31,932 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 381 predicate places. [2021-03-26 07:56:31,932 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:31,932 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 420 places, 562 transitions, 12011 flow [2021-03-26 07:56:31,932 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 420 places, 562 transitions, 12011 flow [2021-03-26 07:56:31,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 418 places, 562 transitions, 12011 flow [2021-03-26 07:56:32,105 INFO L129 PetriNetUnfolder]: 493/1109 cut-off events. [2021-03-26 07:56:32,105 INFO L130 PetriNetUnfolder]: For 51414/51615 co-relation queries the response was YES. [2021-03-26 07:56:32,117 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13912 conditions, 1109 events. 493/1109 cut-off events. For 51414/51615 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 7514 event pairs, 19 based on Foata normal form. 31/1112 useless extension candidates. Maximal degree in co-relation 13754. Up to 354 conditions per place. [2021-03-26 07:56:32,130 INFO L142 LiptonReduction]: Number of co-enabled transitions 684 [2021-03-26 07:56:32,165 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:32,165 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:32,165 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 233 [2021-03-26 07:56:32,165 INFO L480 AbstractCegarLoop]: Abstraction has has 418 places, 562 transitions, 12011 flow [2021-03-26 07:56:32,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:32,165 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:32,165 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:32,165 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2021-03-26 07:56:32,165 INFO L428 AbstractCegarLoop]: === Iteration 186 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:32,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:32,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1869871558, now seen corresponding path program 2 times [2021-03-26 07:56:32,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:32,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398624780] [2021-03-26 07:56:32,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:32,172 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:32,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:32,177 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:32,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:32,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:32,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:32,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:32,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:32,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:32,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:32,215 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:56:32,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:32,241 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:56:32,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:32,266 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:56:32,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:32,292 INFO L142 QuantifierPusher]: treesize reduction 35, result has 44.4 percent of original size [2021-03-26 07:56:32,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 07:56:32,295 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:56:32,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:32,311 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:32,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:32,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:32,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398624780] [2021-03-26 07:56:32,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:32,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:56:32,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599587667] [2021-03-26 07:56:32,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:56:32,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:32,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:56:32,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:56:32,314 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:56:32,314 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 562 transitions, 12011 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:32,314 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:32,314 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:56:32,314 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:33,448 INFO L129 PetriNetUnfolder]: 775/1524 cut-off events. [2021-03-26 07:56:33,448 INFO L130 PetriNetUnfolder]: For 82047/82064 co-relation queries the response was YES. [2021-03-26 07:56:33,465 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20545 conditions, 1524 events. 775/1524 cut-off events. For 82047/82064 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 9782 event pairs, 160 based on Foata normal form. 14/1537 useless extension candidates. Maximal degree in co-relation 20381. Up to 1170 conditions per place. [2021-03-26 07:56:33,473 INFO L132 encePairwiseOnDemand]: 121/144 looper letters, 390 selfloop transitions, 221 changer transitions 4/623 dead transitions. [2021-03-26 07:56:33,473 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 623 transitions, 14969 flow [2021-03-26 07:56:33,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 07:56:33,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 07:56:33,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 641 transitions. [2021-03-26 07:56:33,475 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22256944444444443 [2021-03-26 07:56:33,475 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 641 transitions. [2021-03-26 07:56:33,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 641 transitions. [2021-03-26 07:56:33,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:33,475 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 641 transitions. [2021-03-26 07:56:33,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 32.05) internal successors, (641), 20 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:33,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 144.0) internal successors, (3024), 21 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:33,477 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 144.0) internal successors, (3024), 21 states have internal predecessors, (3024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:33,477 INFO L185 Difference]: Start difference. First operand has 418 places, 562 transitions, 12011 flow. Second operand 20 states and 641 transitions. [2021-03-26 07:56:33,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 623 transitions, 14969 flow [2021-03-26 07:56:33,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 623 transitions, 14755 flow, removed 2 selfloop flow, removed 17 redundant places. [2021-03-26 07:56:33,936 INFO L241 Difference]: Finished difference. Result has 425 places, 591 transitions, 13355 flow [2021-03-26 07:56:33,937 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=11803, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=192, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=13355, PETRI_PLACES=425, PETRI_TRANSITIONS=591} [2021-03-26 07:56:33,937 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 386 predicate places. [2021-03-26 07:56:33,937 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:33,937 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 425 places, 591 transitions, 13355 flow [2021-03-26 07:56:33,937 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 425 places, 591 transitions, 13355 flow [2021-03-26 07:56:33,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 423 places, 591 transitions, 13355 flow [2021-03-26 07:56:34,153 INFO L129 PetriNetUnfolder]: 527/1171 cut-off events. [2021-03-26 07:56:34,153 INFO L130 PetriNetUnfolder]: For 60620/60867 co-relation queries the response was YES. [2021-03-26 07:56:34,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15349 conditions, 1171 events. 527/1171 cut-off events. For 60620/60867 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 8060 event pairs, 20 based on Foata normal form. 43/1184 useless extension candidates. Maximal degree in co-relation 15163. Up to 393 conditions per place. [2021-03-26 07:56:34,181 INFO L142 LiptonReduction]: Number of co-enabled transitions 714 [2021-03-26 07:56:34,219 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:34,219 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:34,219 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 282 [2021-03-26 07:56:34,220 INFO L480 AbstractCegarLoop]: Abstraction has has 423 places, 591 transitions, 13355 flow [2021-03-26 07:56:34,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:34,220 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:34,220 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:34,220 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2021-03-26 07:56:34,220 INFO L428 AbstractCegarLoop]: === Iteration 187 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:34,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:34,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1808498544, now seen corresponding path program 20 times [2021-03-26 07:56:34,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:34,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174561305] [2021-03-26 07:56:34,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:34,227 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:34,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:34,232 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:34,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:34,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:34,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:34,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:34,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:34,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:34,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:34,274 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:56:34,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:34,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:34,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:34,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:34,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:34,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:34,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:34,346 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:56:34,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:34,364 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:34,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:34,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:34,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174561305] [2021-03-26 07:56:34,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:34,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:56:34,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50029089] [2021-03-26 07:56:34,368 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:56:34,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:34,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:56:34,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:56:34,368 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:56:34,369 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 591 transitions, 13355 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:34,369 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:34,369 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:56:34,369 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:35,284 INFO L129 PetriNetUnfolder]: 774/1517 cut-off events. [2021-03-26 07:56:35,284 INFO L130 PetriNetUnfolder]: For 86670/86687 co-relation queries the response was YES. [2021-03-26 07:56:35,300 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20950 conditions, 1517 events. 774/1517 cut-off events. For 86670/86687 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 9654 event pairs, 131 based on Foata normal form. 14/1530 useless extension candidates. Maximal degree in co-relation 20759. Up to 1297 conditions per place. [2021-03-26 07:56:35,308 INFO L132 encePairwiseOnDemand]: 127/144 looper letters, 516 selfloop transitions, 83 changer transitions 2/609 dead transitions. [2021-03-26 07:56:35,308 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 609 transitions, 14933 flow [2021-03-26 07:56:35,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:56:35,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:56:35,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 477 transitions. [2021-03-26 07:56:35,309 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22083333333333333 [2021-03-26 07:56:35,309 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 477 transitions. [2021-03-26 07:56:35,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 477 transitions. [2021-03-26 07:56:35,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:35,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 477 transitions. [2021-03-26 07:56:35,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.8) internal successors, (477), 15 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:35,311 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 144.0) internal successors, (2304), 16 states have internal predecessors, (2304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:35,311 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 144.0) internal successors, (2304), 16 states have internal predecessors, (2304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:35,311 INFO L185 Difference]: Start difference. First operand has 423 places, 591 transitions, 13355 flow. Second operand 15 states and 477 transitions. [2021-03-26 07:56:35,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 609 transitions, 14933 flow [2021-03-26 07:56:35,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 609 transitions, 14529 flow, removed 124 selfloop flow, removed 10 redundant places. [2021-03-26 07:56:35,704 INFO L241 Difference]: Finished difference. Result has 428 places, 589 transitions, 13116 flow [2021-03-26 07:56:35,704 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=12953, PETRI_DIFFERENCE_MINUEND_PLACES=413, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=591, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=508, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=13116, PETRI_PLACES=428, PETRI_TRANSITIONS=589} [2021-03-26 07:56:35,704 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 389 predicate places. [2021-03-26 07:56:35,704 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:35,705 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 428 places, 589 transitions, 13116 flow [2021-03-26 07:56:35,705 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 428 places, 589 transitions, 13116 flow [2021-03-26 07:56:35,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 426 places, 589 transitions, 13116 flow [2021-03-26 07:56:35,894 INFO L129 PetriNetUnfolder]: 525/1164 cut-off events. [2021-03-26 07:56:35,894 INFO L130 PetriNetUnfolder]: For 58328/58538 co-relation queries the response was YES. [2021-03-26 07:56:35,906 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15038 conditions, 1164 events. 525/1164 cut-off events. For 58328/58538 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 7960 event pairs, 19 based on Foata normal form. 34/1169 useless extension candidates. Maximal degree in co-relation 14852. Up to 389 conditions per place. [2021-03-26 07:56:35,919 INFO L142 LiptonReduction]: Number of co-enabled transitions 704 [2021-03-26 07:56:35,955 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:35,955 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:35,956 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 252 [2021-03-26 07:56:35,956 INFO L480 AbstractCegarLoop]: Abstraction has has 426 places, 589 transitions, 13116 flow [2021-03-26 07:56:35,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:35,956 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:35,956 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:35,956 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2021-03-26 07:56:35,956 INFO L428 AbstractCegarLoop]: === Iteration 188 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:35,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:35,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1329172508, now seen corresponding path program 7 times [2021-03-26 07:56:35,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:35,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735954037] [2021-03-26 07:56:35,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:35,963 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:35,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:35,968 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:35,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:35,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:35,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:35,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:35,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:35,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:35,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:36,007 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:56:36,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:56:36,010 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:56:36,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:36,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:36,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:36,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:36,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:36,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:36,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:36,077 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:36,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:36,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:36,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735954037] [2021-03-26 07:56:36,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:36,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:56:36,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152157764] [2021-03-26 07:56:36,080 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:56:36,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:36,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:56:36,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:56:36,080 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:56:36,081 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 589 transitions, 13116 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:36,081 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:36,081 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:56:36,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:37,141 INFO L129 PetriNetUnfolder]: 773/1523 cut-off events. [2021-03-26 07:56:37,142 INFO L130 PetriNetUnfolder]: For 83049/83082 co-relation queries the response was YES. [2021-03-26 07:56:37,159 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20719 conditions, 1523 events. 773/1523 cut-off events. For 83049/83082 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 9773 event pairs, 160 based on Foata normal form. 19/1540 useless extension candidates. Maximal degree in co-relation 20529. Up to 1237 conditions per place. [2021-03-26 07:56:37,167 INFO L132 encePairwiseOnDemand]: 125/144 looper letters, 396 selfloop transitions, 185 changer transitions 17/606 dead transitions. [2021-03-26 07:56:37,167 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 442 places, 606 transitions, 14589 flow [2021-03-26 07:56:37,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 07:56:37,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 07:56:37,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 538 transitions. [2021-03-26 07:56:37,168 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21977124183006536 [2021-03-26 07:56:37,168 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 538 transitions. [2021-03-26 07:56:37,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 538 transitions. [2021-03-26 07:56:37,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:37,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 538 transitions. [2021-03-26 07:56:37,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 31.647058823529413) internal successors, (538), 17 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:37,170 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 144.0) internal successors, (2592), 18 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:37,170 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 144.0) internal successors, (2592), 18 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:37,170 INFO L185 Difference]: Start difference. First operand has 426 places, 589 transitions, 13116 flow. Second operand 17 states and 538 transitions. [2021-03-26 07:56:37,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 442 places, 606 transitions, 14589 flow [2021-03-26 07:56:37,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 606 transitions, 14403 flow, removed 2 selfloop flow, removed 16 redundant places. [2021-03-26 07:56:37,540 INFO L241 Difference]: Finished difference. Result has 429 places, 580 transitions, 13104 flow [2021-03-26 07:56:37,541 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=12930, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=589, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=185, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=13104, PETRI_PLACES=429, PETRI_TRANSITIONS=580} [2021-03-26 07:56:37,541 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 390 predicate places. [2021-03-26 07:56:37,541 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:37,541 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 429 places, 580 transitions, 13104 flow [2021-03-26 07:56:37,541 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 429 places, 580 transitions, 13104 flow [2021-03-26 07:56:37,546 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 426 places, 580 transitions, 13104 flow [2021-03-26 07:56:37,763 INFO L129 PetriNetUnfolder]: 522/1158 cut-off events. [2021-03-26 07:56:37,763 INFO L130 PetriNetUnfolder]: For 57149/57313 co-relation queries the response was YES. [2021-03-26 07:56:37,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15026 conditions, 1158 events. 522/1158 cut-off events. For 57149/57313 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 7884 event pairs, 19 based on Foata normal form. 37/1174 useless extension candidates. Maximal degree in co-relation 14864. Up to 388 conditions per place. [2021-03-26 07:56:37,786 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 07:56:37,820 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:37,820 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:37,820 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 279 [2021-03-26 07:56:37,821 INFO L480 AbstractCegarLoop]: Abstraction has has 426 places, 580 transitions, 13104 flow [2021-03-26 07:56:37,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:37,821 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:37,821 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:37,821 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2021-03-26 07:56:37,821 INFO L428 AbstractCegarLoop]: === Iteration 189 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:37,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:37,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1820893573, now seen corresponding path program 3 times [2021-03-26 07:56:37,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:37,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916136956] [2021-03-26 07:56:37,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:37,827 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:37,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:37,832 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:37,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:37,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:37,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:37,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:37,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:37,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:37,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:37,871 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:56:37,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:56:37,875 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:56:37,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:37,900 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:56:37,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:56:37,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:37,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:37,939 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:56:37,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:37,946 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:37,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:37,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:37,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916136956] [2021-03-26 07:56:37,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:37,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:56:37,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054425837] [2021-03-26 07:56:37,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:56:37,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:37,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:56:37,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:56:37,950 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:56:37,950 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 580 transitions, 13104 flow. Second operand has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:37,950 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:37,950 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:56:37,950 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:38,805 INFO L129 PetriNetUnfolder]: 766/1510 cut-off events. [2021-03-26 07:56:38,805 INFO L130 PetriNetUnfolder]: For 84140/84157 co-relation queries the response was YES. [2021-03-26 07:56:38,823 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20698 conditions, 1510 events. 766/1510 cut-off events. For 84140/84157 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 9638 event pairs, 157 based on Foata normal form. 14/1523 useless extension candidates. Maximal degree in co-relation 20530. Up to 1234 conditions per place. [2021-03-26 07:56:38,832 INFO L132 encePairwiseOnDemand]: 125/144 looper letters, 401 selfloop transitions, 176 changer transitions 6/591 dead transitions. [2021-03-26 07:56:38,832 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 591 transitions, 14416 flow [2021-03-26 07:56:38,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:56:38,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:56:38,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 509 transitions. [2021-03-26 07:56:38,834 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2209201388888889 [2021-03-26 07:56:38,834 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 509 transitions. [2021-03-26 07:56:38,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 509 transitions. [2021-03-26 07:56:38,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:38,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 509 transitions. [2021-03-26 07:56:38,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.8125) internal successors, (509), 16 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:38,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 144.0) internal successors, (2448), 17 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:38,835 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 144.0) internal successors, (2448), 17 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:38,835 INFO L185 Difference]: Start difference. First operand has 426 places, 580 transitions, 13104 flow. Second operand 16 states and 509 transitions. [2021-03-26 07:56:38,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 591 transitions, 14416 flow [2021-03-26 07:56:39,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 591 transitions, 14013 flow, removed 15 selfloop flow, removed 16 redundant places. [2021-03-26 07:56:39,241 INFO L241 Difference]: Finished difference. Result has 428 places, 576 transitions, 13006 flow [2021-03-26 07:56:39,241 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=12701, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=580, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=13006, PETRI_PLACES=428, PETRI_TRANSITIONS=576} [2021-03-26 07:56:39,241 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 389 predicate places. [2021-03-26 07:56:39,242 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:39,242 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 428 places, 576 transitions, 13006 flow [2021-03-26 07:56:39,242 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 428 places, 576 transitions, 13006 flow [2021-03-26 07:56:39,246 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 423 places, 576 transitions, 13006 flow [2021-03-26 07:56:39,433 INFO L129 PetriNetUnfolder]: 514/1138 cut-off events. [2021-03-26 07:56:39,433 INFO L130 PetriNetUnfolder]: For 57336/57516 co-relation queries the response was YES. [2021-03-26 07:56:39,444 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14828 conditions, 1138 events. 514/1138 cut-off events. For 57336/57516 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 7695 event pairs, 23 based on Foata normal form. 37/1156 useless extension candidates. Maximal degree in co-relation 14668. Up to 388 conditions per place. [2021-03-26 07:56:39,457 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 07:56:39,492 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:39,492 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:39,493 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 251 [2021-03-26 07:56:39,493 INFO L480 AbstractCegarLoop]: Abstraction has has 423 places, 576 transitions, 13006 flow [2021-03-26 07:56:39,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:39,493 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:39,493 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:39,493 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2021-03-26 07:56:39,493 INFO L428 AbstractCegarLoop]: === Iteration 190 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:39,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:39,493 INFO L82 PathProgramCache]: Analyzing trace with hash 1008733684, now seen corresponding path program 21 times [2021-03-26 07:56:39,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:39,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418390844] [2021-03-26 07:56:39,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:39,500 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:39,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:39,504 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:39,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:39,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:39,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:39,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:39,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:39,530 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:56:39,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:56:39,552 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:56:39,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:39,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:39,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:39,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:39,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:39,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:39,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:39,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:39,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:39,634 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:39,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:39,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:39,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418390844] [2021-03-26 07:56:39,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:39,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:56:39,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190210896] [2021-03-26 07:56:39,637 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:56:39,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:39,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:56:39,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:56:39,638 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:56:39,638 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 576 transitions, 13006 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:39,638 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:39,638 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:56:39,638 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:40,454 INFO L129 PetriNetUnfolder]: 765/1497 cut-off events. [2021-03-26 07:56:40,455 INFO L130 PetriNetUnfolder]: For 83652/83669 co-relation queries the response was YES. [2021-03-26 07:56:40,470 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20556 conditions, 1497 events. 765/1497 cut-off events. For 83652/83669 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 9474 event pairs, 166 based on Foata normal form. 11/1507 useless extension candidates. Maximal degree in co-relation 20394. Up to 1307 conditions per place. [2021-03-26 07:56:40,478 INFO L132 encePairwiseOnDemand]: 127/144 looper letters, 485 selfloop transitions, 88 changer transitions 5/586 dead transitions. [2021-03-26 07:56:40,478 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 586 transitions, 14296 flow [2021-03-26 07:56:40,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:56:40,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:56:40,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 471 transitions. [2021-03-26 07:56:40,479 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21805555555555556 [2021-03-26 07:56:40,479 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 471 transitions. [2021-03-26 07:56:40,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 471 transitions. [2021-03-26 07:56:40,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:40,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 471 transitions. [2021-03-26 07:56:40,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.4) internal successors, (471), 15 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:40,480 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 144.0) internal successors, (2304), 16 states have internal predecessors, (2304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:40,481 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 144.0) internal successors, (2304), 16 states have internal predecessors, (2304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:40,481 INFO L185 Difference]: Start difference. First operand has 423 places, 576 transitions, 13006 flow. Second operand 15 states and 471 transitions. [2021-03-26 07:56:40,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 586 transitions, 14296 flow [2021-03-26 07:56:40,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 586 transitions, 13768 flow, removed 83 selfloop flow, removed 14 redundant places. [2021-03-26 07:56:40,836 INFO L241 Difference]: Finished difference. Result has 424 places, 571 transitions, 12603 flow [2021-03-26 07:56:40,836 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=12478, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=576, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=488, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=12603, PETRI_PLACES=424, PETRI_TRANSITIONS=571} [2021-03-26 07:56:40,836 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 385 predicate places. [2021-03-26 07:56:40,836 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:40,836 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 424 places, 571 transitions, 12603 flow [2021-03-26 07:56:40,836 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 424 places, 571 transitions, 12603 flow [2021-03-26 07:56:40,840 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 413 places, 571 transitions, 12603 flow [2021-03-26 07:56:41,033 INFO L129 PetriNetUnfolder]: 507/1127 cut-off events. [2021-03-26 07:56:41,034 INFO L130 PetriNetUnfolder]: For 56842/57026 co-relation queries the response was YES. [2021-03-26 07:56:41,047 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14406 conditions, 1127 events. 507/1127 cut-off events. For 56842/57026 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 7730 event pairs, 21 based on Foata normal form. 42/1147 useless extension candidates. Maximal degree in co-relation 14248. Up to 385 conditions per place. [2021-03-26 07:56:41,060 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 07:56:41,097 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:41,097 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:41,097 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 261 [2021-03-26 07:56:41,097 INFO L480 AbstractCegarLoop]: Abstraction has has 413 places, 571 transitions, 12603 flow [2021-03-26 07:56:41,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:41,097 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:41,098 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:41,098 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2021-03-26 07:56:41,098 INFO L428 AbstractCegarLoop]: === Iteration 191 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:41,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:41,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1187822312, now seen corresponding path program 22 times [2021-03-26 07:56:41,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:41,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618797207] [2021-03-26 07:56:41,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:41,105 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:41,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:41,110 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:41,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:41,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:41,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:41,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:41,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:41,141 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:56:41,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:56:41,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:41,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:41,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:41,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:41,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:41,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:41,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:41,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:41,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:41,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:41,249 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:41,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:41,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:41,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618797207] [2021-03-26 07:56:41,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:41,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:56:41,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490046674] [2021-03-26 07:56:41,253 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:56:41,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:41,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:56:41,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:56:41,253 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:56:41,253 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 571 transitions, 12603 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:41,253 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:41,253 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:56:41,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:42,249 INFO L129 PetriNetUnfolder]: 764/1494 cut-off events. [2021-03-26 07:56:42,249 INFO L130 PetriNetUnfolder]: For 81461/81478 co-relation queries the response was YES. [2021-03-26 07:56:42,264 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20188 conditions, 1494 events. 764/1494 cut-off events. For 81461/81478 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 9456 event pairs, 132 based on Foata normal form. 14/1507 useless extension candidates. Maximal degree in co-relation 20025. Up to 1263 conditions per place. [2021-03-26 07:56:42,272 INFO L132 encePairwiseOnDemand]: 126/144 looper letters, 456 selfloop transitions, 114 changer transitions 3/581 dead transitions. [2021-03-26 07:56:42,272 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 581 transitions, 13876 flow [2021-03-26 07:56:42,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:56:42,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:56:42,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 454 transitions. [2021-03-26 07:56:42,273 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2251984126984127 [2021-03-26 07:56:42,273 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 454 transitions. [2021-03-26 07:56:42,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 454 transitions. [2021-03-26 07:56:42,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:42,273 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 454 transitions. [2021-03-26 07:56:42,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.42857142857143) internal successors, (454), 14 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:42,274 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 144.0) internal successors, (2160), 15 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:42,275 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 144.0) internal successors, (2160), 15 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:42,275 INFO L185 Difference]: Start difference. First operand has 413 places, 571 transitions, 12603 flow. Second operand 14 states and 454 transitions. [2021-03-26 07:56:42,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 581 transitions, 13876 flow [2021-03-26 07:56:42,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 581 transitions, 13650 flow, removed 8 selfloop flow, removed 14 redundant places. [2021-03-26 07:56:42,640 INFO L241 Difference]: Finished difference. Result has 413 places, 568 transitions, 12595 flow [2021-03-26 07:56:42,640 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=12385, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=571, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=114, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=12595, PETRI_PLACES=413, PETRI_TRANSITIONS=568} [2021-03-26 07:56:42,640 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 374 predicate places. [2021-03-26 07:56:42,640 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:42,641 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 413 places, 568 transitions, 12595 flow [2021-03-26 07:56:42,641 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 413 places, 568 transitions, 12595 flow [2021-03-26 07:56:42,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 408 places, 568 transitions, 12595 flow [2021-03-26 07:56:42,827 INFO L129 PetriNetUnfolder]: 506/1119 cut-off events. [2021-03-26 07:56:42,827 INFO L130 PetriNetUnfolder]: For 53283/53466 co-relation queries the response was YES. [2021-03-26 07:56:42,839 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14242 conditions, 1119 events. 506/1119 cut-off events. For 53283/53466 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 7649 event pairs, 20 based on Foata normal form. 33/1131 useless extension candidates. Maximal degree in co-relation 14087. Up to 383 conditions per place. [2021-03-26 07:56:42,852 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 07:56:42,887 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:42,888 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:42,888 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 248 [2021-03-26 07:56:42,888 INFO L480 AbstractCegarLoop]: Abstraction has has 408 places, 568 transitions, 12595 flow [2021-03-26 07:56:42,888 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:42,888 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:42,888 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:42,888 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2021-03-26 07:56:42,888 INFO L428 AbstractCegarLoop]: === Iteration 192 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:42,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:42,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1649058819, now seen corresponding path program 3 times [2021-03-26 07:56:42,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:42,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174764387] [2021-03-26 07:56:42,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:42,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:42,895 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:42,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:42,900 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:42,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:42,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:42,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:42,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:42,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:42,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:42,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:42,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:42,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:42,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:42,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:42,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:42,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:42,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:42,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:43,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:43,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:43,018 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:43,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:43,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:43,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174764387] [2021-03-26 07:56:43,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:43,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:56:43,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146174608] [2021-03-26 07:56:43,024 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:56:43,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:43,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:56:43,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:56:43,024 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:56:43,024 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 568 transitions, 12595 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:43,025 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:43,025 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:56:43,025 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:44,022 INFO L129 PetriNetUnfolder]: 763/1488 cut-off events. [2021-03-26 07:56:44,022 INFO L130 PetriNetUnfolder]: For 79281/79298 co-relation queries the response was YES. [2021-03-26 07:56:44,038 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19916 conditions, 1488 events. 763/1488 cut-off events. For 79281/79298 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 9361 event pairs, 169 based on Foata normal form. 11/1498 useless extension candidates. Maximal degree in co-relation 19756. Up to 1326 conditions per place. [2021-03-26 07:56:44,047 INFO L132 encePairwiseOnDemand]: 129/144 looper letters, 528 selfloop transitions, 42 changer transitions 4/582 dead transitions. [2021-03-26 07:56:44,047 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 582 transitions, 13981 flow [2021-03-26 07:56:44,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:56:44,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:56:44,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 435 transitions. [2021-03-26 07:56:44,048 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21577380952380953 [2021-03-26 07:56:44,048 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 435 transitions. [2021-03-26 07:56:44,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 435 transitions. [2021-03-26 07:56:44,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:44,049 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 435 transitions. [2021-03-26 07:56:44,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.071428571428573) internal successors, (435), 14 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:44,050 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 144.0) internal successors, (2160), 15 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:44,050 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 144.0) internal successors, (2160), 15 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:44,050 INFO L185 Difference]: Start difference. First operand has 408 places, 568 transitions, 12595 flow. Second operand 14 states and 435 transitions. [2021-03-26 07:56:44,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 582 transitions, 13981 flow [2021-03-26 07:56:44,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 582 transitions, 13747 flow, removed 3 selfloop flow, removed 12 redundant places. [2021-03-26 07:56:44,415 INFO L241 Difference]: Finished difference. Result has 410 places, 564 transitions, 12404 flow [2021-03-26 07:56:44,415 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=12363, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=568, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=526, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=12404, PETRI_PLACES=410, PETRI_TRANSITIONS=564} [2021-03-26 07:56:44,416 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 371 predicate places. [2021-03-26 07:56:44,416 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:44,416 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 410 places, 564 transitions, 12404 flow [2021-03-26 07:56:44,416 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 410 places, 564 transitions, 12404 flow [2021-03-26 07:56:44,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 404 places, 564 transitions, 12404 flow [2021-03-26 07:56:44,625 INFO L129 PetriNetUnfolder]: 504/1114 cut-off events. [2021-03-26 07:56:44,625 INFO L130 PetriNetUnfolder]: For 51567/51726 co-relation queries the response was YES. [2021-03-26 07:56:44,638 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14048 conditions, 1114 events. 504/1114 cut-off events. For 51567/51726 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 7553 event pairs, 19 based on Foata normal form. 34/1127 useless extension candidates. Maximal degree in co-relation 13894. Up to 381 conditions per place. [2021-03-26 07:56:44,652 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 07:56:44,687 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:44,687 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:44,687 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 271 [2021-03-26 07:56:44,688 INFO L480 AbstractCegarLoop]: Abstraction has has 404 places, 564 transitions, 12404 flow [2021-03-26 07:56:44,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:44,688 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:44,688 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:44,689 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2021-03-26 07:56:44,689 INFO L428 AbstractCegarLoop]: === Iteration 193 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:44,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:44,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1525569858, now seen corresponding path program 23 times [2021-03-26 07:56:44,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:44,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499041101] [2021-03-26 07:56:44,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:44,696 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:44,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:44,701 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:44,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:44,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:44,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:44,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:44,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:44,738 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:56:44,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:56:44,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:44,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:44,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:44,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:44,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:44,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:44,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:44,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:44,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:44,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:44,852 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:44,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:44,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:44,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499041101] [2021-03-26 07:56:44,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:44,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:56:44,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243502051] [2021-03-26 07:56:44,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:56:44,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:44,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:56:44,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:56:44,857 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:56:44,857 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 564 transitions, 12404 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:44,857 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:44,857 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:56:44,857 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:45,726 INFO L129 PetriNetUnfolder]: 762/1488 cut-off events. [2021-03-26 07:56:45,726 INFO L130 PetriNetUnfolder]: For 76218/76235 co-relation queries the response was YES. [2021-03-26 07:56:45,740 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19763 conditions, 1488 events. 762/1488 cut-off events. For 76218/76235 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 9395 event pairs, 133 based on Foata normal form. 14/1501 useless extension candidates. Maximal degree in co-relation 19604. Up to 1257 conditions per place. [2021-03-26 07:56:45,747 INFO L132 encePairwiseOnDemand]: 126/144 looper letters, 450 selfloop transitions, 114 changer transitions 4/576 dead transitions. [2021-03-26 07:56:45,747 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 576 transitions, 13676 flow [2021-03-26 07:56:45,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:56:45,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:56:45,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 481 transitions. [2021-03-26 07:56:45,748 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22268518518518518 [2021-03-26 07:56:45,748 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 481 transitions. [2021-03-26 07:56:45,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 481 transitions. [2021-03-26 07:56:45,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:45,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 481 transitions. [2021-03-26 07:56:45,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.06666666666667) internal successors, (481), 15 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:45,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 144.0) internal successors, (2304), 16 states have internal predecessors, (2304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:45,750 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 144.0) internal successors, (2304), 16 states have internal predecessors, (2304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:45,750 INFO L185 Difference]: Start difference. First operand has 404 places, 564 transitions, 12404 flow. Second operand 15 states and 481 transitions. [2021-03-26 07:56:45,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 576 transitions, 13676 flow [2021-03-26 07:56:46,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 576 transitions, 13510 flow, removed 35 selfloop flow, removed 13 redundant places. [2021-03-26 07:56:46,107 INFO L241 Difference]: Finished difference. Result has 407 places, 562 transitions, 12461 flow [2021-03-26 07:56:46,107 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=12248, PETRI_DIFFERENCE_MINUEND_PLACES=391, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=114, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=450, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=12461, PETRI_PLACES=407, PETRI_TRANSITIONS=562} [2021-03-26 07:56:46,107 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 368 predicate places. [2021-03-26 07:56:46,107 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:46,107 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 407 places, 562 transitions, 12461 flow [2021-03-26 07:56:46,108 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 407 places, 562 transitions, 12461 flow [2021-03-26 07:56:46,112 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 404 places, 562 transitions, 12461 flow [2021-03-26 07:56:46,280 INFO L129 PetriNetUnfolder]: 502/1107 cut-off events. [2021-03-26 07:56:46,281 INFO L130 PetriNetUnfolder]: For 48475/48628 co-relation queries the response was YES. [2021-03-26 07:56:46,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13918 conditions, 1107 events. 502/1107 cut-off events. For 48475/48628 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 7535 event pairs, 18 based on Foata normal form. 23/1105 useless extension candidates. Maximal degree in co-relation 13765. Up to 383 conditions per place. [2021-03-26 07:56:46,304 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 07:56:46,339 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:46,340 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:46,340 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 233 [2021-03-26 07:56:46,340 INFO L480 AbstractCegarLoop]: Abstraction has has 404 places, 562 transitions, 12461 flow [2021-03-26 07:56:46,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:46,340 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:46,340 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:46,340 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2021-03-26 07:56:46,340 INFO L428 AbstractCegarLoop]: === Iteration 194 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:46,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:46,341 INFO L82 PathProgramCache]: Analyzing trace with hash -2026707407, now seen corresponding path program 3 times [2021-03-26 07:56:46,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:46,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122014067] [2021-03-26 07:56:46,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:46,347 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:46,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:46,352 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:46,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:46,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:46,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:46,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:46,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:46,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:46,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:46,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:46,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:46,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:46,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:46,413 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 07:56:46,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 07:56:46,442 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 07:56:46,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:46,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:46,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:46,485 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:46,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:46,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:46,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122014067] [2021-03-26 07:56:46,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:46,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:56:46,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677382621] [2021-03-26 07:56:46,488 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:56:46,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:46,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:56:46,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:56:46,488 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:56:46,489 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 562 transitions, 12461 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:46,489 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:46,489 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:56:46,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:47,287 INFO L129 PetriNetUnfolder]: 761/1480 cut-off events. [2021-03-26 07:56:47,287 INFO L130 PetriNetUnfolder]: For 72694/72718 co-relation queries the response was YES. [2021-03-26 07:56:47,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19538 conditions, 1480 events. 761/1480 cut-off events. For 72694/72718 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 9311 event pairs, 142 based on Foata normal form. 18/1497 useless extension candidates. Maximal degree in co-relation 19380. Up to 1293 conditions per place. [2021-03-26 07:56:47,309 INFO L132 encePairwiseOnDemand]: 128/144 looper letters, 500 selfloop transitions, 66 changer transitions 4/578 dead transitions. [2021-03-26 07:56:47,309 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 578 transitions, 13905 flow [2021-03-26 07:56:47,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:56:47,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:56:47,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 467 transitions. [2021-03-26 07:56:47,311 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2162037037037037 [2021-03-26 07:56:47,311 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 467 transitions. [2021-03-26 07:56:47,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 467 transitions. [2021-03-26 07:56:47,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:47,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 467 transitions. [2021-03-26 07:56:47,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.133333333333333) internal successors, (467), 15 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:47,312 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 144.0) internal successors, (2304), 16 states have internal predecessors, (2304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:47,312 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 144.0) internal successors, (2304), 16 states have internal predecessors, (2304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:47,312 INFO L185 Difference]: Start difference. First operand has 404 places, 562 transitions, 12461 flow. Second operand 15 states and 467 transitions. [2021-03-26 07:56:47,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 578 transitions, 13905 flow [2021-03-26 07:56:47,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 578 transitions, 13671 flow, removed 1 selfloop flow, removed 12 redundant places. [2021-03-26 07:56:47,620 INFO L241 Difference]: Finished difference. Result has 407 places, 558 transitions, 12324 flow [2021-03-26 07:56:47,620 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=12231, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=496, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=12324, PETRI_PLACES=407, PETRI_TRANSITIONS=558} [2021-03-26 07:56:47,621 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 368 predicate places. [2021-03-26 07:56:47,621 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:47,621 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 407 places, 558 transitions, 12324 flow [2021-03-26 07:56:47,621 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 407 places, 558 transitions, 12324 flow [2021-03-26 07:56:47,625 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 400 places, 558 transitions, 12324 flow [2021-03-26 07:56:47,785 INFO L129 PetriNetUnfolder]: 496/1094 cut-off events. [2021-03-26 07:56:47,785 INFO L130 PetriNetUnfolder]: For 47833/47995 co-relation queries the response was YES. [2021-03-26 07:56:47,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13736 conditions, 1094 events. 496/1094 cut-off events. For 47833/47995 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 7396 event pairs, 18 based on Foata normal form. 23/1091 useless extension candidates. Maximal degree in co-relation 13583. Up to 378 conditions per place. [2021-03-26 07:56:47,810 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 07:56:47,846 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:47,846 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:47,846 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 225 [2021-03-26 07:56:47,846 INFO L480 AbstractCegarLoop]: Abstraction has has 400 places, 558 transitions, 12324 flow [2021-03-26 07:56:47,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:47,846 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:47,846 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:47,847 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2021-03-26 07:56:47,847 INFO L428 AbstractCegarLoop]: === Iteration 195 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:47,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:47,847 INFO L82 PathProgramCache]: Analyzing trace with hash -585667932, now seen corresponding path program 24 times [2021-03-26 07:56:47,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:47,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175501973] [2021-03-26 07:56:47,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:47,853 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:47,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:47,857 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:47,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:47,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:47,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:47,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:47,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:47,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:47,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:47,897 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:56:47,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:47,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:47,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:47,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:47,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:47,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:47,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:47,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:47,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:47,983 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:47,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:47,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:47,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175501973] [2021-03-26 07:56:47,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:47,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:56:47,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938728144] [2021-03-26 07:56:47,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:56:47,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:47,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:56:47,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:56:47,986 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 144 [2021-03-26 07:56:47,986 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 558 transitions, 12324 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:47,986 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:47,986 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 144 [2021-03-26 07:56:47,986 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:48,728 INFO L129 PetriNetUnfolder]: 760/1481 cut-off events. [2021-03-26 07:56:48,729 INFO L130 PetriNetUnfolder]: For 72604/72632 co-relation queries the response was YES. [2021-03-26 07:56:48,744 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19455 conditions, 1481 events. 760/1481 cut-off events. For 72604/72632 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 9331 event pairs, 169 based on Foata normal form. 16/1496 useless extension candidates. Maximal degree in co-relation 19297. Up to 1287 conditions per place. [2021-03-26 07:56:48,751 INFO L132 encePairwiseOnDemand]: 129/144 looper letters, 498 selfloop transitions, 65 changer transitions 4/575 dead transitions. [2021-03-26 07:56:48,751 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 575 transitions, 13764 flow [2021-03-26 07:56:48,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:56:48,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:56:48,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 468 transitions. [2021-03-26 07:56:48,752 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21666666666666667 [2021-03-26 07:56:48,752 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 468 transitions. [2021-03-26 07:56:48,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 468 transitions. [2021-03-26 07:56:48,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:48,752 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 468 transitions. [2021-03-26 07:56:48,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.2) internal successors, (468), 15 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:48,753 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 144.0) internal successors, (2304), 16 states have internal predecessors, (2304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:48,753 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 144.0) internal successors, (2304), 16 states have internal predecessors, (2304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:48,753 INFO L185 Difference]: Start difference. First operand has 400 places, 558 transitions, 12324 flow. Second operand 15 states and 468 transitions. [2021-03-26 07:56:48,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 575 transitions, 13764 flow [2021-03-26 07:56:49,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 575 transitions, 13622 flow, removed 5 selfloop flow, removed 12 redundant places. [2021-03-26 07:56:49,041 INFO L241 Difference]: Finished difference. Result has 404 places, 555 transitions, 12292 flow [2021-03-26 07:56:49,041 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=12188, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=558, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=493, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=12292, PETRI_PLACES=404, PETRI_TRANSITIONS=555} [2021-03-26 07:56:49,041 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 365 predicate places. [2021-03-26 07:56:49,041 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:49,041 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 404 places, 555 transitions, 12292 flow [2021-03-26 07:56:49,041 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 404 places, 555 transitions, 12292 flow [2021-03-26 07:56:49,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 400 places, 555 transitions, 12292 flow [2021-03-26 07:56:49,204 INFO L129 PetriNetUnfolder]: 512/1115 cut-off events. [2021-03-26 07:56:49,204 INFO L130 PetriNetUnfolder]: For 47173/47292 co-relation queries the response was YES. [2021-03-26 07:56:49,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13967 conditions, 1115 events. 512/1115 cut-off events. For 47173/47292 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 7514 event pairs, 17 based on Foata normal form. 25/1114 useless extension candidates. Maximal degree in co-relation 13814. Up to 386 conditions per place. [2021-03-26 07:56:49,226 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 07:56:49,325 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:49,326 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:56:49,326 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 285 [2021-03-26 07:56:49,326 INFO L480 AbstractCegarLoop]: Abstraction has has 400 places, 555 transitions, 12295 flow [2021-03-26 07:56:49,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:49,326 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:49,326 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:49,326 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2021-03-26 07:56:49,326 INFO L428 AbstractCegarLoop]: === Iteration 196 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:49,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:49,326 INFO L82 PathProgramCache]: Analyzing trace with hash -950218660, now seen corresponding path program 25 times [2021-03-26 07:56:49,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:49,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906313435] [2021-03-26 07:56:49,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:49,332 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:49,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:49,336 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:49,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:49,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:49,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:49,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:49,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:49,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:49,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:49,373 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:56:49,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:49,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:49,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:49,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:49,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:49,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:49,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:49,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:49,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:49,454 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:49,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:49,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:49,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906313435] [2021-03-26 07:56:49,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:49,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:56:49,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919660850] [2021-03-26 07:56:49,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:56:49,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:49,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:56:49,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:56:49,457 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 145 [2021-03-26 07:56:49,457 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 555 transitions, 12295 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:49,457 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:49,458 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 145 [2021-03-26 07:56:49,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:50,243 INFO L129 PetriNetUnfolder]: 759/1474 cut-off events. [2021-03-26 07:56:50,243 INFO L130 PetriNetUnfolder]: For 70505/70522 co-relation queries the response was YES. [2021-03-26 07:56:50,257 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19300 conditions, 1474 events. 759/1474 cut-off events. For 70505/70522 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 9247 event pairs, 168 based on Foata normal form. 11/1484 useless extension candidates. Maximal degree in co-relation 19142. Up to 1284 conditions per place. [2021-03-26 07:56:50,264 INFO L132 encePairwiseOnDemand]: 130/145 looper letters, 496 selfloop transitions, 64 changer transitions 3/571 dead transitions. [2021-03-26 07:56:50,264 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 571 transitions, 13715 flow [2021-03-26 07:56:50,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:56:50,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:56:50,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 466 transitions. [2021-03-26 07:56:50,266 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2142528735632184 [2021-03-26 07:56:50,266 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 466 transitions. [2021-03-26 07:56:50,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 466 transitions. [2021-03-26 07:56:50,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:50,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 466 transitions. [2021-03-26 07:56:50,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.066666666666666) internal successors, (466), 15 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:50,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 145.0) internal successors, (2320), 16 states have internal predecessors, (2320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:50,267 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 145.0) internal successors, (2320), 16 states have internal predecessors, (2320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:50,267 INFO L185 Difference]: Start difference. First operand has 400 places, 555 transitions, 12295 flow. Second operand 15 states and 466 transitions. [2021-03-26 07:56:50,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 571 transitions, 13715 flow [2021-03-26 07:56:50,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 571 transitions, 13563 flow, removed 7 selfloop flow, removed 16 redundant places. [2021-03-26 07:56:50,560 INFO L241 Difference]: Finished difference. Result has 399 places, 552 transitions, 12241 flow [2021-03-26 07:56:50,560 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=12149, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=555, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=491, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=12241, PETRI_PLACES=399, PETRI_TRANSITIONS=552} [2021-03-26 07:56:50,560 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 360 predicate places. [2021-03-26 07:56:50,560 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:50,560 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 399 places, 552 transitions, 12241 flow [2021-03-26 07:56:50,560 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 399 places, 552 transitions, 12241 flow [2021-03-26 07:56:50,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 395 places, 552 transitions, 12241 flow [2021-03-26 07:56:50,722 INFO L129 PetriNetUnfolder]: 507/1105 cut-off events. [2021-03-26 07:56:50,722 INFO L130 PetriNetUnfolder]: For 46638/46806 co-relation queries the response was YES. [2021-03-26 07:56:50,732 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13813 conditions, 1105 events. 507/1105 cut-off events. For 46638/46806 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 7427 event pairs, 16 based on Foata normal form. 41/1123 useless extension candidates. Maximal degree in co-relation 13662. Up to 382 conditions per place. [2021-03-26 07:56:50,744 INFO L142 LiptonReduction]: Number of co-enabled transitions 678 [2021-03-26 07:56:50,776 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:50,776 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:50,777 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 217 [2021-03-26 07:56:50,777 INFO L480 AbstractCegarLoop]: Abstraction has has 395 places, 552 transitions, 12241 flow [2021-03-26 07:56:50,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:50,777 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:50,777 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:50,777 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2021-03-26 07:56:50,777 INFO L428 AbstractCegarLoop]: === Iteration 197 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:50,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:50,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1846879262, now seen corresponding path program 4 times [2021-03-26 07:56:50,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:50,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986250622] [2021-03-26 07:56:50,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:50,783 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:50,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:50,788 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:50,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:50,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:50,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:50,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:50,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:50,814 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:56:50,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:56:50,837 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:56:50,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:50,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:50,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:50,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:50,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:50,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:50,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:50,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:50,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:50,923 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:50,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:50,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:50,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986250622] [2021-03-26 07:56:50,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:50,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:56:50,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755806046] [2021-03-26 07:56:50,925 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:56:50,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:50,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:56:50,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:56:50,926 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 145 [2021-03-26 07:56:50,926 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 552 transitions, 12241 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:50,926 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:50,926 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 145 [2021-03-26 07:56:50,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:51,663 INFO L129 PetriNetUnfolder]: 758/1470 cut-off events. [2021-03-26 07:56:51,663 INFO L130 PetriNetUnfolder]: For 69296/69311 co-relation queries the response was YES. [2021-03-26 07:56:51,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19136 conditions, 1470 events. 758/1470 cut-off events. For 69296/69311 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 9184 event pairs, 170 based on Foata normal form. 10/1479 useless extension candidates. Maximal degree in co-relation 18980. Up to 1278 conditions per place. [2021-03-26 07:56:51,683 INFO L132 encePairwiseOnDemand]: 128/145 looper letters, 461 selfloop transitions, 87 changer transitions 5/561 dead transitions. [2021-03-26 07:56:51,683 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 561 transitions, 13445 flow [2021-03-26 07:56:51,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:56:51,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:56:51,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 443 transitions. [2021-03-26 07:56:51,699 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21822660098522167 [2021-03-26 07:56:51,699 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 443 transitions. [2021-03-26 07:56:51,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 443 transitions. [2021-03-26 07:56:51,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:51,699 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 443 transitions. [2021-03-26 07:56:51,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.642857142857142) internal successors, (443), 14 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:51,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 145.0) internal successors, (2175), 15 states have internal predecessors, (2175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:51,700 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 145.0) internal successors, (2175), 15 states have internal predecessors, (2175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:51,700 INFO L185 Difference]: Start difference. First operand has 395 places, 552 transitions, 12241 flow. Second operand 14 states and 443 transitions. [2021-03-26 07:56:51,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 561 transitions, 13445 flow [2021-03-26 07:56:52,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 561 transitions, 13313 flow, removed 2 selfloop flow, removed 12 redundant places. [2021-03-26 07:56:52,015 INFO L241 Difference]: Finished difference. Result has 397 places, 547 transitions, 12243 flow [2021-03-26 07:56:52,016 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=12109, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=12243, PETRI_PLACES=397, PETRI_TRANSITIONS=547} [2021-03-26 07:56:52,016 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 358 predicate places. [2021-03-26 07:56:52,016 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:52,016 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 397 places, 547 transitions, 12243 flow [2021-03-26 07:56:52,016 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 397 places, 547 transitions, 12243 flow [2021-03-26 07:56:52,020 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 391 places, 547 transitions, 12243 flow [2021-03-26 07:56:52,187 INFO L129 PetriNetUnfolder]: 511/1110 cut-off events. [2021-03-26 07:56:52,187 INFO L130 PetriNetUnfolder]: For 47203/47332 co-relation queries the response was YES. [2021-03-26 07:56:52,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13891 conditions, 1110 events. 511/1110 cut-off events. For 47203/47332 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 7442 event pairs, 15 based on Foata normal form. 40/1129 useless extension candidates. Maximal degree in co-relation 13740. Up to 388 conditions per place. [2021-03-26 07:56:52,211 INFO L142 LiptonReduction]: Number of co-enabled transitions 678 [2021-03-26 07:56:52,243 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:52,243 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:52,243 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 227 [2021-03-26 07:56:52,244 INFO L480 AbstractCegarLoop]: Abstraction has has 391 places, 547 transitions, 12243 flow [2021-03-26 07:56:52,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:52,244 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:52,244 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:52,244 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2021-03-26 07:56:52,244 INFO L428 AbstractCegarLoop]: === Iteration 198 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:52,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:52,244 INFO L82 PathProgramCache]: Analyzing trace with hash 539219066, now seen corresponding path program 26 times [2021-03-26 07:56:52,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:52,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425496161] [2021-03-26 07:56:52,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:52,250 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:52,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:52,255 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:52,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:52,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:52,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:52,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:52,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:52,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:52,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:52,294 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:56:52,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:52,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:52,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:52,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:52,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:52,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:52,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:52,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:52,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:52,375 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:52,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:52,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:52,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425496161] [2021-03-26 07:56:52,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:52,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:56:52,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32853754] [2021-03-26 07:56:52,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:56:52,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:52,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:56:52,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:56:52,378 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 145 [2021-03-26 07:56:52,378 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 547 transitions, 12243 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:52,379 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:52,379 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 145 [2021-03-26 07:56:52,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:53,142 INFO L129 PetriNetUnfolder]: 758/1459 cut-off events. [2021-03-26 07:56:53,142 INFO L130 PetriNetUnfolder]: For 68573/68590 co-relation queries the response was YES. [2021-03-26 07:56:53,156 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19122 conditions, 1459 events. 758/1459 cut-off events. For 68573/68590 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 9082 event pairs, 137 based on Foata normal form. 11/1469 useless extension candidates. Maximal degree in co-relation 18969. Up to 1272 conditions per place. [2021-03-26 07:56:53,163 INFO L132 encePairwiseOnDemand]: 130/145 looper letters, 489 selfloop transitions, 64 changer transitions 3/564 dead transitions. [2021-03-26 07:56:53,163 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 564 transitions, 13651 flow [2021-03-26 07:56:53,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:56:53,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:56:53,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 466 transitions. [2021-03-26 07:56:53,164 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2142528735632184 [2021-03-26 07:56:53,165 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 466 transitions. [2021-03-26 07:56:53,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 466 transitions. [2021-03-26 07:56:53,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:53,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 466 transitions. [2021-03-26 07:56:53,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.066666666666666) internal successors, (466), 15 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:53,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 145.0) internal successors, (2320), 16 states have internal predecessors, (2320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:53,166 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 145.0) internal successors, (2320), 16 states have internal predecessors, (2320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:53,166 INFO L185 Difference]: Start difference. First operand has 391 places, 547 transitions, 12243 flow. Second operand 15 states and 466 transitions. [2021-03-26 07:56:53,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 564 transitions, 13651 flow [2021-03-26 07:56:53,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 392 places, 564 transitions, 13447 flow, removed 8 selfloop flow, removed 13 redundant places. [2021-03-26 07:56:53,491 INFO L241 Difference]: Finished difference. Result has 393 places, 544 transitions, 12140 flow [2021-03-26 07:56:53,492 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=12053, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=547, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=483, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=12140, PETRI_PLACES=393, PETRI_TRANSITIONS=544} [2021-03-26 07:56:53,492 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 354 predicate places. [2021-03-26 07:56:53,492 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:53,492 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 393 places, 544 transitions, 12140 flow [2021-03-26 07:56:53,492 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 393 places, 544 transitions, 12140 flow [2021-03-26 07:56:53,496 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 391 places, 544 transitions, 12140 flow [2021-03-26 07:56:53,687 INFO L129 PetriNetUnfolder]: 506/1093 cut-off events. [2021-03-26 07:56:53,687 INFO L130 PetriNetUnfolder]: For 45275/45428 co-relation queries the response was YES. [2021-03-26 07:56:53,698 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13654 conditions, 1093 events. 506/1093 cut-off events. For 45275/45428 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 7289 event pairs, 16 based on Foata normal form. 40/1113 useless extension candidates. Maximal degree in co-relation 13507. Up to 382 conditions per place. [2021-03-26 07:56:53,711 INFO L142 LiptonReduction]: Number of co-enabled transitions 674 [2021-03-26 07:56:53,744 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:53,745 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:53,745 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 253 [2021-03-26 07:56:53,745 INFO L480 AbstractCegarLoop]: Abstraction has has 391 places, 544 transitions, 12140 flow [2021-03-26 07:56:53,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:53,745 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:53,745 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:53,745 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2021-03-26 07:56:53,745 INFO L428 AbstractCegarLoop]: === Iteration 199 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:53,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:53,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1611538780, now seen corresponding path program 27 times [2021-03-26 07:56:53,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:53,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777411784] [2021-03-26 07:56:53,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:53,752 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:53,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:53,757 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:53,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:53,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:53,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:53,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:53,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:53,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:53,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:53,800 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:56:53,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:53,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:53,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:56:53,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:53,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:53,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:53,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:53,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:53,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:53,884 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:53,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:53,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:53,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777411784] [2021-03-26 07:56:53,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:53,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:56:53,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480054132] [2021-03-26 07:56:53,887 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:56:53,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:53,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:56:53,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:56:53,888 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 145 [2021-03-26 07:56:53,888 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 544 transitions, 12140 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:53,888 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:53,888 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 145 [2021-03-26 07:56:53,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:54,633 INFO L129 PetriNetUnfolder]: 758/1454 cut-off events. [2021-03-26 07:56:54,633 INFO L130 PetriNetUnfolder]: For 67742/67759 co-relation queries the response was YES. [2021-03-26 07:56:54,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18908 conditions, 1454 events. 758/1454 cut-off events. For 67742/67759 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 8993 event pairs, 167 based on Foata normal form. 11/1464 useless extension candidates. Maximal degree in co-relation 18760. Up to 1272 conditions per place. [2021-03-26 07:56:54,654 INFO L132 encePairwiseOnDemand]: 130/145 looper letters, 487 selfloop transitions, 60 changer transitions 5/560 dead transitions. [2021-03-26 07:56:54,654 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 560 transitions, 13524 flow [2021-03-26 07:56:54,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:56:54,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:56:54,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 464 transitions. [2021-03-26 07:56:54,655 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21333333333333335 [2021-03-26 07:56:54,655 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 464 transitions. [2021-03-26 07:56:54,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 464 transitions. [2021-03-26 07:56:54,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:54,655 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 464 transitions. [2021-03-26 07:56:54,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 30.933333333333334) internal successors, (464), 15 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:54,657 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 145.0) internal successors, (2320), 16 states have internal predecessors, (2320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:54,657 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 145.0) internal successors, (2320), 16 states have internal predecessors, (2320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:54,657 INFO L185 Difference]: Start difference. First operand has 391 places, 544 transitions, 12140 flow. Second operand 15 states and 464 transitions. [2021-03-26 07:56:54,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 560 transitions, 13524 flow [2021-03-26 07:56:54,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 560 transitions, 13390 flow, removed 2 selfloop flow, removed 15 redundant places. [2021-03-26 07:56:54,937 INFO L241 Difference]: Finished difference. Result has 391 places, 539 transitions, 12064 flow [2021-03-26 07:56:54,937 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=12006, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=484, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=12064, PETRI_PLACES=391, PETRI_TRANSITIONS=539} [2021-03-26 07:56:54,937 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 352 predicate places. [2021-03-26 07:56:54,937 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:54,937 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 391 places, 539 transitions, 12064 flow [2021-03-26 07:56:54,937 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 391 places, 539 transitions, 12064 flow [2021-03-26 07:56:54,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 380 places, 539 transitions, 12064 flow [2021-03-26 07:56:55,096 INFO L129 PetriNetUnfolder]: 508/1087 cut-off events. [2021-03-26 07:56:55,096 INFO L130 PetriNetUnfolder]: For 46034/46156 co-relation queries the response was YES. [2021-03-26 07:56:55,106 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13648 conditions, 1087 events. 508/1087 cut-off events. For 46034/46156 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 7268 event pairs, 16 based on Foata normal form. 37/1102 useless extension candidates. Maximal degree in co-relation 13504. Up to 386 conditions per place. [2021-03-26 07:56:55,118 INFO L142 LiptonReduction]: Number of co-enabled transitions 674 [2021-03-26 07:56:55,149 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:55,149 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:55,149 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 212 [2021-03-26 07:56:55,149 INFO L480 AbstractCegarLoop]: Abstraction has has 380 places, 539 transitions, 12064 flow [2021-03-26 07:56:55,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:55,150 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:55,150 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:55,150 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2021-03-26 07:56:55,150 INFO L428 AbstractCegarLoop]: === Iteration 200 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:55,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:55,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1346857322, now seen corresponding path program 5 times [2021-03-26 07:56:55,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:55,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359180837] [2021-03-26 07:56:55,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:55,156 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:55,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:55,161 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:55,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:55,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:55,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:55,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:55,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:55,189 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:56:55,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:56:55,211 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:56:55,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:55,236 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:56:55,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:55,262 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:56:55,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:56:55,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:55,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:55,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:55,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:55,305 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:55,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:55,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:55,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359180837] [2021-03-26 07:56:55,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:55,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:56:55,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411934130] [2021-03-26 07:56:55,308 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:56:55,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:55,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:56:55,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:56:55,308 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 145 [2021-03-26 07:56:55,308 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 539 transitions, 12064 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:55,308 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:55,308 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 145 [2021-03-26 07:56:55,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:56,077 INFO L129 PetriNetUnfolder]: 756/1454 cut-off events. [2021-03-26 07:56:56,077 INFO L130 PetriNetUnfolder]: For 66822/66839 co-relation queries the response was YES. [2021-03-26 07:56:56,092 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18869 conditions, 1454 events. 756/1454 cut-off events. For 66822/66839 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 9023 event pairs, 139 based on Foata normal form. 11/1464 useless extension candidates. Maximal degree in co-relation 18719. Up to 1268 conditions per place. [2021-03-26 07:56:56,101 INFO L132 encePairwiseOnDemand]: 128/145 looper letters, 454 selfloop transitions, 86 changer transitions 3/551 dead transitions. [2021-03-26 07:56:56,102 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 551 transitions, 13268 flow [2021-03-26 07:56:56,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:56:56,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:56:56,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 441 transitions. [2021-03-26 07:56:56,103 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21724137931034482 [2021-03-26 07:56:56,103 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 441 transitions. [2021-03-26 07:56:56,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 441 transitions. [2021-03-26 07:56:56,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:56,103 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 441 transitions. [2021-03-26 07:56:56,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.5) internal successors, (441), 14 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:56,105 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 145.0) internal successors, (2175), 15 states have internal predecessors, (2175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:56,105 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 145.0) internal successors, (2175), 15 states have internal predecessors, (2175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:56,105 INFO L185 Difference]: Start difference. First operand has 380 places, 539 transitions, 12064 flow. Second operand 14 states and 441 transitions. [2021-03-26 07:56:56,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 551 transitions, 13268 flow [2021-03-26 07:56:56,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 551 transitions, 13132 flow, removed 8 selfloop flow, removed 13 redundant places. [2021-03-26 07:56:56,393 INFO L241 Difference]: Finished difference. Result has 382 places, 538 transitions, 12095 flow [2021-03-26 07:56:56,394 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=11930, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=539, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=453, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=12095, PETRI_PLACES=382, PETRI_TRANSITIONS=538} [2021-03-26 07:56:56,394 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 343 predicate places. [2021-03-26 07:56:56,394 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:56,394 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 382 places, 538 transitions, 12095 flow [2021-03-26 07:56:56,394 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 382 places, 538 transitions, 12095 flow [2021-03-26 07:56:56,398 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 381 places, 538 transitions, 12095 flow [2021-03-26 07:56:56,558 INFO L129 PetriNetUnfolder]: 506/1087 cut-off events. [2021-03-26 07:56:56,558 INFO L130 PetriNetUnfolder]: For 43827/43975 co-relation queries the response was YES. [2021-03-26 07:56:56,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13527 conditions, 1087 events. 506/1087 cut-off events. For 43827/43975 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 7212 event pairs, 15 based on Foata normal form. 35/1101 useless extension candidates. Maximal degree in co-relation 13383. Up to 380 conditions per place. [2021-03-26 07:56:56,579 INFO L142 LiptonReduction]: Number of co-enabled transitions 674 [2021-03-26 07:56:56,611 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:56,611 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:56,612 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 218 [2021-03-26 07:56:56,612 INFO L480 AbstractCegarLoop]: Abstraction has has 381 places, 538 transitions, 12095 flow [2021-03-26 07:56:56,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:56,612 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:56,612 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:56,612 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2021-03-26 07:56:56,612 INFO L428 AbstractCegarLoop]: === Iteration 201 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:56,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:56,612 INFO L82 PathProgramCache]: Analyzing trace with hash -437711162, now seen corresponding path program 6 times [2021-03-26 07:56:56,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:56,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712449769] [2021-03-26 07:56:56,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:56,632 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:56,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:56,637 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:56,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:56,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:56,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:56,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:56,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:56,665 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:56:56,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:56:56,687 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:56:56,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:56,710 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:56:56,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:56,735 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:56:56,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:56:56,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:56,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:56,776 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:56:56,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:56,791 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:56,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:56,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:56,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712449769] [2021-03-26 07:56:56,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:56,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:56:56,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280440318] [2021-03-26 07:56:56,794 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:56:56,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:56,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:56:56,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:56:56,795 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 145 [2021-03-26 07:56:56,795 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 538 transitions, 12095 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:56,795 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:56,795 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 145 [2021-03-26 07:56:56,795 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:57,682 INFO L129 PetriNetUnfolder]: 756/1442 cut-off events. [2021-03-26 07:56:57,682 INFO L130 PetriNetUnfolder]: For 64675/64692 co-relation queries the response was YES. [2021-03-26 07:56:57,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18787 conditions, 1442 events. 756/1442 cut-off events. For 64675/64692 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 8882 event pairs, 152 based on Foata normal form. 14/1455 useless extension candidates. Maximal degree in co-relation 18642. Up to 1150 conditions per place. [2021-03-26 07:56:57,705 INFO L132 encePairwiseOnDemand]: 124/145 looper letters, 332 selfloop transitions, 208 changer transitions 5/553 dead transitions. [2021-03-26 07:56:57,706 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 553 transitions, 13444 flow [2021-03-26 07:56:57,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 07:56:57,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 07:56:57,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 560 transitions. [2021-03-26 07:56:57,707 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21455938697318008 [2021-03-26 07:56:57,707 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 560 transitions. [2021-03-26 07:56:57,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 560 transitions. [2021-03-26 07:56:57,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:57,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 560 transitions. [2021-03-26 07:56:57,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 31.11111111111111) internal successors, (560), 18 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:57,709 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 145.0) internal successors, (2755), 19 states have internal predecessors, (2755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:57,709 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 145.0) internal successors, (2755), 19 states have internal predecessors, (2755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:57,709 INFO L185 Difference]: Start difference. First operand has 381 places, 538 transitions, 12095 flow. Second operand 18 states and 560 transitions. [2021-03-26 07:56:57,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 553 transitions, 13444 flow [2021-03-26 07:56:58,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 553 transitions, 13258 flow, removed 6 selfloop flow, removed 14 redundant places. [2021-03-26 07:56:58,033 INFO L241 Difference]: Finished difference. Result has 385 places, 534 transitions, 12302 flow [2021-03-26 07:56:58,034 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=11915, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=208, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=12302, PETRI_PLACES=385, PETRI_TRANSITIONS=534} [2021-03-26 07:56:58,034 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 346 predicate places. [2021-03-26 07:56:58,034 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:58,034 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 385 places, 534 transitions, 12302 flow [2021-03-26 07:56:58,034 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 385 places, 534 transitions, 12302 flow [2021-03-26 07:56:58,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 378 places, 534 transitions, 12302 flow [2021-03-26 07:56:58,228 INFO L129 PetriNetUnfolder]: 507/1084 cut-off events. [2021-03-26 07:56:58,228 INFO L130 PetriNetUnfolder]: For 44241/44386 co-relation queries the response was YES. [2021-03-26 07:56:58,240 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13645 conditions, 1084 events. 507/1084 cut-off events. For 44241/44386 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 7207 event pairs, 20 based on Foata normal form. 20/1081 useless extension candidates. Maximal degree in co-relation 13505. Up to 387 conditions per place. [2021-03-26 07:56:58,253 INFO L142 LiptonReduction]: Number of co-enabled transitions 672 [2021-03-26 07:56:58,286 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:58,287 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:58,287 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 253 [2021-03-26 07:56:58,287 INFO L480 AbstractCegarLoop]: Abstraction has has 378 places, 534 transitions, 12302 flow [2021-03-26 07:56:58,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:58,287 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:58,287 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:58,287 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2021-03-26 07:56:58,287 INFO L428 AbstractCegarLoop]: === Iteration 202 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:58,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:58,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1130121885, now seen corresponding path program 4 times [2021-03-26 07:56:58,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:58,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025606350] [2021-03-26 07:56:58,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:58,294 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:58,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:58,299 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:58,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:58,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:58,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:58,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:58,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:58,331 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:56:58,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:56:58,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:58,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:58,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:58,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:58,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:58,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:58,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:58,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:58,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:58,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:56:58,408 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:58,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:58,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:58,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025606350] [2021-03-26 07:56:58,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:58,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:56:58,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056242140] [2021-03-26 07:56:58,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:56:58,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:58,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:56:58,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:56:58,412 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 145 [2021-03-26 07:56:58,413 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 534 transitions, 12302 flow. Second operand has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:58,413 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:58,413 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 145 [2021-03-26 07:56:58,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:56:59,155 INFO L129 PetriNetUnfolder]: 755/1439 cut-off events. [2021-03-26 07:56:59,155 INFO L130 PetriNetUnfolder]: For 65501/65525 co-relation queries the response was YES. [2021-03-26 07:56:59,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18796 conditions, 1439 events. 755/1439 cut-off events. For 65501/65525 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 8852 event pairs, 173 based on Foata normal form. 18/1456 useless extension candidates. Maximal degree in co-relation 18653. Up to 1268 conditions per place. [2021-03-26 07:56:59,179 INFO L132 encePairwiseOnDemand]: 128/145 looper letters, 452 selfloop transitions, 79 changer transitions 6/545 dead transitions. [2021-03-26 07:56:59,179 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 545 transitions, 13486 flow [2021-03-26 07:56:59,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 07:56:59,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 07:56:59,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 383 transitions. [2021-03-26 07:56:59,180 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22011494252873562 [2021-03-26 07:56:59,180 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 383 transitions. [2021-03-26 07:56:59,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 383 transitions. [2021-03-26 07:56:59,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:56:59,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 383 transitions. [2021-03-26 07:56:59,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 31.916666666666668) internal successors, (383), 12 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:59,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 145.0) internal successors, (1885), 13 states have internal predecessors, (1885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:59,182 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 145.0) internal successors, (1885), 13 states have internal predecessors, (1885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:59,182 INFO L185 Difference]: Start difference. First operand has 378 places, 534 transitions, 12302 flow. Second operand 12 states and 383 transitions. [2021-03-26 07:56:59,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 545 transitions, 13486 flow [2021-03-26 07:56:59,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 545 transitions, 13043 flow, removed 8 selfloop flow, removed 15 redundant places. [2021-03-26 07:56:59,517 INFO L241 Difference]: Finished difference. Result has 377 places, 531 transitions, 11949 flow [2021-03-26 07:56:59,518 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=11859, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=534, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=455, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=11949, PETRI_PLACES=377, PETRI_TRANSITIONS=531} [2021-03-26 07:56:59,518 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 338 predicate places. [2021-03-26 07:56:59,518 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:56:59,518 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 377 places, 531 transitions, 11949 flow [2021-03-26 07:56:59,518 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 377 places, 531 transitions, 11949 flow [2021-03-26 07:56:59,523 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 372 places, 531 transitions, 11949 flow [2021-03-26 07:56:59,715 INFO L129 PetriNetUnfolder]: 504/1084 cut-off events. [2021-03-26 07:56:59,715 INFO L130 PetriNetUnfolder]: For 41790/41937 co-relation queries the response was YES. [2021-03-26 07:56:59,728 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13280 conditions, 1084 events. 504/1084 cut-off events. For 41790/41937 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 7170 event pairs, 17 based on Foata normal form. 29/1092 useless extension candidates. Maximal degree in co-relation 13139. Up to 382 conditions per place. [2021-03-26 07:56:59,741 INFO L142 LiptonReduction]: Number of co-enabled transitions 672 [2021-03-26 07:56:59,773 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:56:59,773 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:56:59,773 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 255 [2021-03-26 07:56:59,773 INFO L480 AbstractCegarLoop]: Abstraction has has 372 places, 531 transitions, 11949 flow [2021-03-26 07:56:59,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:59,773 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:56:59,774 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:56:59,774 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2021-03-26 07:56:59,774 INFO L428 AbstractCegarLoop]: === Iteration 203 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:56:59,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:56:59,774 INFO L82 PathProgramCache]: Analyzing trace with hash 897466830, now seen corresponding path program 8 times [2021-03-26 07:56:59,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:56:59,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846201154] [2021-03-26 07:56:59,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:56:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:56:59,781 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:56:59,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:56:59,786 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:56:59,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:59,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:59,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:56:59,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:59,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:59,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:59,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:56:59,823 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:56:59,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:56:59,826 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:56:59,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:56:59,849 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:56:59,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:56:59,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:56:59,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:59,885 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:56:59,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:56:59,898 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:56:59,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:56:59,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:56:59,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846201154] [2021-03-26 07:56:59,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:56:59,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:56:59,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987561662] [2021-03-26 07:56:59,901 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:56:59,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:56:59,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:56:59,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:56:59,902 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 145 [2021-03-26 07:56:59,902 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 531 transitions, 11949 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:56:59,902 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:56:59,902 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 145 [2021-03-26 07:56:59,902 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:00,861 INFO L129 PetriNetUnfolder]: 755/1430 cut-off events. [2021-03-26 07:57:00,861 INFO L130 PetriNetUnfolder]: For 62574/62591 co-relation queries the response was YES. [2021-03-26 07:57:00,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18471 conditions, 1430 events. 755/1430 cut-off events. For 62574/62591 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 8769 event pairs, 122 based on Foata normal form. 14/1443 useless extension candidates. Maximal degree in co-relation 18330. Up to 1103 conditions per place. [2021-03-26 07:57:00,884 INFO L132 encePairwiseOnDemand]: 126/145 looper letters, 312 selfloop transitions, 215 changer transitions 8/543 dead transitions. [2021-03-26 07:57:00,884 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 543 transitions, 13150 flow [2021-03-26 07:57:00,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 07:57:00,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 07:57:00,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 543 transitions. [2021-03-26 07:57:00,886 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22028397565922922 [2021-03-26 07:57:00,886 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 543 transitions. [2021-03-26 07:57:00,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 543 transitions. [2021-03-26 07:57:00,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:00,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 543 transitions. [2021-03-26 07:57:00,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 31.941176470588236) internal successors, (543), 17 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:00,888 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 145.0) internal successors, (2610), 18 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:00,888 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 145.0) internal successors, (2610), 18 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:00,888 INFO L185 Difference]: Start difference. First operand has 372 places, 531 transitions, 11949 flow. Second operand 17 states and 543 transitions. [2021-03-26 07:57:00,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 543 transitions, 13150 flow [2021-03-26 07:57:01,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 543 transitions, 12928 flow, removed 8 selfloop flow, removed 14 redundant places. [2021-03-26 07:57:01,207 INFO L241 Difference]: Finished difference. Result has 375 places, 523 transitions, 11987 flow [2021-03-26 07:57:01,208 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=11727, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=531, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=215, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=11987, PETRI_PLACES=375, PETRI_TRANSITIONS=523} [2021-03-26 07:57:01,208 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 336 predicate places. [2021-03-26 07:57:01,208 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:01,208 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 375 places, 523 transitions, 11987 flow [2021-03-26 07:57:01,208 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 375 places, 523 transitions, 11987 flow [2021-03-26 07:57:01,213 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 367 places, 523 transitions, 11987 flow [2021-03-26 07:57:01,395 INFO L129 PetriNetUnfolder]: 505/1069 cut-off events. [2021-03-26 07:57:01,395 INFO L130 PetriNetUnfolder]: For 42574/42723 co-relation queries the response was YES. [2021-03-26 07:57:01,454 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13372 conditions, 1069 events. 505/1069 cut-off events. For 42574/42723 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 6990 event pairs, 16 based on Foata normal form. 28/1074 useless extension candidates. Maximal degree in co-relation 13237. Up to 386 conditions per place. [2021-03-26 07:57:01,466 INFO L142 LiptonReduction]: Number of co-enabled transitions 652 [2021-03-26 07:57:01,496 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:01,496 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:57:01,496 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 288 [2021-03-26 07:57:01,497 INFO L480 AbstractCegarLoop]: Abstraction has has 367 places, 523 transitions, 11987 flow [2021-03-26 07:57:01,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:01,497 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:01,497 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:01,497 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2021-03-26 07:57:01,497 INFO L428 AbstractCegarLoop]: === Iteration 204 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:01,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:01,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1910232456, now seen corresponding path program 7 times [2021-03-26 07:57:01,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:01,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960138939] [2021-03-26 07:57:01,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:01,507 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:01,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:01,512 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:01,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:01,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:01,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:01,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:01,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:57:01,537 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:57:01,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:57:01,558 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:57:01,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:57:01,581 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:57:01,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:57:01,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:01,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:01,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:01,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:01,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:01,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:01,651 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:01,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:01,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:01,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960138939] [2021-03-26 07:57:01,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:01,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:57:01,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635904240] [2021-03-26 07:57:01,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:57:01,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:01,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:57:01,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:57:01,655 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 145 [2021-03-26 07:57:01,655 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 523 transitions, 11987 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:01,655 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:01,655 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 145 [2021-03-26 07:57:01,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:02,387 INFO L129 PetriNetUnfolder]: 753/1418 cut-off events. [2021-03-26 07:57:02,387 INFO L130 PetriNetUnfolder]: For 64323/64327 co-relation queries the response was YES. [2021-03-26 07:57:02,402 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18515 conditions, 1418 events. 753/1418 cut-off events. For 64323/64327 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 8633 event pairs, 172 based on Foata normal form. 5/1422 useless extension candidates. Maximal degree in co-relation 18378. Up to 1254 conditions per place. [2021-03-26 07:57:02,410 INFO L132 encePairwiseOnDemand]: 129/145 looper letters, 440 selfloop transitions, 77 changer transitions 6/531 dead transitions. [2021-03-26 07:57:02,410 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 531 transitions, 13110 flow [2021-03-26 07:57:02,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:57:02,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:57:02,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 433 transitions. [2021-03-26 07:57:02,411 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21330049261083744 [2021-03-26 07:57:02,411 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 433 transitions. [2021-03-26 07:57:02,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 433 transitions. [2021-03-26 07:57:02,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:02,411 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 433 transitions. [2021-03-26 07:57:02,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 30.928571428571427) internal successors, (433), 14 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:02,412 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 145.0) internal successors, (2175), 15 states have internal predecessors, (2175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:02,413 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 145.0) internal successors, (2175), 15 states have internal predecessors, (2175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:02,413 INFO L185 Difference]: Start difference. First operand has 367 places, 523 transitions, 11987 flow. Second operand 14 states and 433 transitions. [2021-03-26 07:57:02,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 531 transitions, 13110 flow [2021-03-26 07:57:02,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 531 transitions, 12652 flow, removed 14 selfloop flow, removed 13 redundant places. [2021-03-26 07:57:02,718 INFO L241 Difference]: Finished difference. Result has 368 places, 517 transitions, 11629 flow [2021-03-26 07:57:02,719 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=11529, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=523, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=11629, PETRI_PLACES=368, PETRI_TRANSITIONS=517} [2021-03-26 07:57:02,719 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 329 predicate places. [2021-03-26 07:57:02,719 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:02,719 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 368 places, 517 transitions, 11629 flow [2021-03-26 07:57:02,719 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 368 places, 517 transitions, 11629 flow [2021-03-26 07:57:02,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 358 places, 517 transitions, 11629 flow [2021-03-26 07:57:02,900 INFO L129 PetriNetUnfolder]: 505/1069 cut-off events. [2021-03-26 07:57:02,900 INFO L130 PetriNetUnfolder]: For 41681/41827 co-relation queries the response was YES. [2021-03-26 07:57:02,912 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13172 conditions, 1069 events. 505/1069 cut-off events. For 41681/41827 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 7084 event pairs, 20 based on Foata normal form. 31/1076 useless extension candidates. Maximal degree in co-relation 13037. Up to 385 conditions per place. [2021-03-26 07:57:02,924 INFO L142 LiptonReduction]: Number of co-enabled transitions 652 [2021-03-26 07:57:02,955 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:02,955 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:57:02,955 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 236 [2021-03-26 07:57:02,956 INFO L480 AbstractCegarLoop]: Abstraction has has 358 places, 517 transitions, 11629 flow [2021-03-26 07:57:02,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:02,956 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:02,956 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:02,956 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2021-03-26 07:57:02,956 INFO L428 AbstractCegarLoop]: === Iteration 205 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:02,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:02,956 INFO L82 PathProgramCache]: Analyzing trace with hash 360397224, now seen corresponding path program 28 times [2021-03-26 07:57:02,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:02,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602112330] [2021-03-26 07:57:02,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:02,962 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:02,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:02,967 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:02,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:02,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:02,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:02,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:02,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:57:02,992 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:57:02,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:57:03,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:03,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:03,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:03,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:03,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:03,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:03,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:03,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:03,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:03,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:03,062 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:03,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:03,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:03,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602112330] [2021-03-26 07:57:03,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:03,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:57:03,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327028592] [2021-03-26 07:57:03,065 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:57:03,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:03,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:57:03,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:57:03,065 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 145 [2021-03-26 07:57:03,065 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 517 transitions, 11629 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:03,065 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:03,066 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 145 [2021-03-26 07:57:03,066 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:03,813 INFO L129 PetriNetUnfolder]: 752/1412 cut-off events. [2021-03-26 07:57:03,814 INFO L130 PetriNetUnfolder]: For 62813/62830 co-relation queries the response was YES. [2021-03-26 07:57:03,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18249 conditions, 1412 events. 752/1412 cut-off events. For 62813/62830 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 8510 event pairs, 141 based on Foata normal form. 14/1425 useless extension candidates. Maximal degree in co-relation 18112. Up to 1213 conditions per place. [2021-03-26 07:57:03,836 INFO L132 encePairwiseOnDemand]: 129/145 looper letters, 418 selfloop transitions, 97 changer transitions 5/528 dead transitions. [2021-03-26 07:57:03,836 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 528 transitions, 12775 flow [2021-03-26 07:57:03,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:57:03,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:57:03,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 419 transitions. [2021-03-26 07:57:03,837 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2222811671087533 [2021-03-26 07:57:03,837 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 419 transitions. [2021-03-26 07:57:03,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 419 transitions. [2021-03-26 07:57:03,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:03,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 419 transitions. [2021-03-26 07:57:03,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.23076923076923) internal successors, (419), 13 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:03,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 145.0) internal successors, (2030), 14 states have internal predecessors, (2030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:03,838 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 145.0) internal successors, (2030), 14 states have internal predecessors, (2030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:03,838 INFO L185 Difference]: Start difference. First operand has 358 places, 517 transitions, 11629 flow. Second operand 13 states and 419 transitions. [2021-03-26 07:57:03,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 528 transitions, 12775 flow [2021-03-26 07:57:04,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 528 transitions, 12488 flow, removed 24 selfloop flow, removed 12 redundant places. [2021-03-26 07:57:04,124 INFO L241 Difference]: Finished difference. Result has 360 places, 513 transitions, 11498 flow [2021-03-26 07:57:04,124 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=11350, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=11498, PETRI_PLACES=360, PETRI_TRANSITIONS=513} [2021-03-26 07:57:04,125 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 321 predicate places. [2021-03-26 07:57:04,125 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:04,125 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 360 places, 513 transitions, 11498 flow [2021-03-26 07:57:04,125 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 360 places, 513 transitions, 11498 flow [2021-03-26 07:57:04,129 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 354 places, 513 transitions, 11498 flow [2021-03-26 07:57:04,283 INFO L129 PetriNetUnfolder]: 493/1038 cut-off events. [2021-03-26 07:57:04,284 INFO L130 PetriNetUnfolder]: For 40816/40978 co-relation queries the response was YES. [2021-03-26 07:57:04,293 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12615 conditions, 1038 events. 493/1038 cut-off events. For 40816/40978 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 6781 event pairs, 22 based on Foata normal form. 24/1035 useless extension candidates. Maximal degree in co-relation 12482. Up to 381 conditions per place. [2021-03-26 07:57:04,304 INFO L142 LiptonReduction]: Number of co-enabled transitions 648 [2021-03-26 07:57:04,333 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:04,333 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:57:04,334 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 209 [2021-03-26 07:57:04,334 INFO L480 AbstractCegarLoop]: Abstraction has has 354 places, 513 transitions, 11498 flow [2021-03-26 07:57:04,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:04,334 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:04,334 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:04,334 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2021-03-26 07:57:04,334 INFO L428 AbstractCegarLoop]: === Iteration 206 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:04,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:04,334 INFO L82 PathProgramCache]: Analyzing trace with hash 2024694940, now seen corresponding path program 29 times [2021-03-26 07:57:04,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:04,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734091956] [2021-03-26 07:57:04,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:04,340 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:04,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:04,345 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:04,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:04,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:04,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:04,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:04,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:57:04,371 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:57:04,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:57:04,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:04,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:04,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:04,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:04,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:04,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:04,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:04,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:04,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:04,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:04,454 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:04,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:04,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:04,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734091956] [2021-03-26 07:57:04,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:04,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:57:04,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114579543] [2021-03-26 07:57:04,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:57:04,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:04,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:57:04,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:57:04,458 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 145 [2021-03-26 07:57:04,458 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 513 transitions, 11498 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:04,458 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:04,458 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 145 [2021-03-26 07:57:04,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:05,273 INFO L129 PetriNetUnfolder]: 751/1415 cut-off events. [2021-03-26 07:57:05,273 INFO L130 PetriNetUnfolder]: For 59513/59537 co-relation queries the response was YES. [2021-03-26 07:57:05,288 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17854 conditions, 1415 events. 751/1415 cut-off events. For 59513/59537 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 8490 event pairs, 135 based on Foata normal form. 21/1435 useless extension candidates. Maximal degree in co-relation 17716. Up to 1213 conditions per place. [2021-03-26 07:57:05,296 INFO L132 encePairwiseOnDemand]: 129/145 looper letters, 416 selfloop transitions, 102 changer transitions 2/528 dead transitions. [2021-03-26 07:57:05,296 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 528 transitions, 12673 flow [2021-03-26 07:57:05,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:57:05,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:57:05,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 476 transitions. [2021-03-26 07:57:05,298 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2188505747126437 [2021-03-26 07:57:05,298 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 476 transitions. [2021-03-26 07:57:05,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 476 transitions. [2021-03-26 07:57:05,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:05,298 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 476 transitions. [2021-03-26 07:57:05,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.733333333333334) internal successors, (476), 15 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:05,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 145.0) internal successors, (2320), 16 states have internal predecessors, (2320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:05,299 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 145.0) internal successors, (2320), 16 states have internal predecessors, (2320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:05,299 INFO L185 Difference]: Start difference. First operand has 354 places, 513 transitions, 11498 flow. Second operand 15 states and 476 transitions. [2021-03-26 07:57:05,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 528 transitions, 12673 flow [2021-03-26 07:57:05,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 528 transitions, 12313 flow, removed 8 selfloop flow, removed 17 redundant places. [2021-03-26 07:57:05,633 INFO L241 Difference]: Finished difference. Result has 354 places, 515 transitions, 11385 flow [2021-03-26 07:57:05,633 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=11156, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=513, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=11385, PETRI_PLACES=354, PETRI_TRANSITIONS=515} [2021-03-26 07:57:05,634 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 315 predicate places. [2021-03-26 07:57:05,634 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:05,634 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 354 places, 515 transitions, 11385 flow [2021-03-26 07:57:05,634 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 354 places, 515 transitions, 11385 flow [2021-03-26 07:57:05,638 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 353 places, 515 transitions, 11385 flow [2021-03-26 07:57:05,815 INFO L129 PetriNetUnfolder]: 488/1039 cut-off events. [2021-03-26 07:57:05,815 INFO L130 PetriNetUnfolder]: For 38742/38931 co-relation queries the response was YES. [2021-03-26 07:57:05,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12474 conditions, 1039 events. 488/1039 cut-off events. For 38742/38931 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 6787 event pairs, 27 based on Foata normal form. 24/1033 useless extension candidates. Maximal degree in co-relation 12341. Up to 379 conditions per place. [2021-03-26 07:57:05,838 INFO L142 LiptonReduction]: Number of co-enabled transitions 652 [2021-03-26 07:57:05,869 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:05,869 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:57:05,869 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 235 [2021-03-26 07:57:05,869 INFO L480 AbstractCegarLoop]: Abstraction has has 353 places, 515 transitions, 11385 flow [2021-03-26 07:57:05,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:05,869 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:05,870 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:05,870 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2021-03-26 07:57:05,870 INFO L428 AbstractCegarLoop]: === Iteration 207 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:05,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:05,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1050148564, now seen corresponding path program 30 times [2021-03-26 07:57:05,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:05,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485270433] [2021-03-26 07:57:05,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:05,877 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:05,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:05,881 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:05,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:05,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:05,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:05,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:05,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:57:05,908 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:57:05,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:57:05,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:05,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:05,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:05,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:05,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:05,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:05,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:05,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:05,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:05,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:05,990 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:05,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:05,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:05,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485270433] [2021-03-26 07:57:05,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:05,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:57:05,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042039038] [2021-03-26 07:57:05,993 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:57:05,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:05,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:57:05,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:57:05,994 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 145 [2021-03-26 07:57:05,994 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 515 transitions, 11385 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:05,994 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:05,994 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 145 [2021-03-26 07:57:05,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:06,859 INFO L129 PetriNetUnfolder]: 751/1406 cut-off events. [2021-03-26 07:57:06,859 INFO L130 PetriNetUnfolder]: For 56897/56914 co-relation queries the response was YES. [2021-03-26 07:57:06,873 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17644 conditions, 1406 events. 751/1406 cut-off events. For 56897/56914 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 8475 event pairs, 134 based on Foata normal form. 14/1419 useless extension candidates. Maximal degree in co-relation 17511. Up to 1213 conditions per place. [2021-03-26 07:57:06,881 INFO L132 encePairwiseOnDemand]: 129/145 looper letters, 415 selfloop transitions, 97 changer transitions 5/525 dead transitions. [2021-03-26 07:57:06,881 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 525 transitions, 12502 flow [2021-03-26 07:57:06,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:57:06,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:57:06,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 447 transitions. [2021-03-26 07:57:06,882 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22019704433497536 [2021-03-26 07:57:06,882 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 447 transitions. [2021-03-26 07:57:06,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 447 transitions. [2021-03-26 07:57:06,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:06,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 447 transitions. [2021-03-26 07:57:06,883 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.928571428571427) internal successors, (447), 14 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:06,883 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 145.0) internal successors, (2175), 15 states have internal predecessors, (2175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:06,883 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 145.0) internal successors, (2175), 15 states have internal predecessors, (2175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:06,883 INFO L185 Difference]: Start difference. First operand has 353 places, 515 transitions, 11385 flow. Second operand 14 states and 447 transitions. [2021-03-26 07:57:06,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 525 transitions, 12502 flow [2021-03-26 07:57:07,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 525 transitions, 12313 flow, removed 2 selfloop flow, removed 11 redundant places. [2021-03-26 07:57:07,117 INFO L241 Difference]: Finished difference. Result has 356 places, 510 transitions, 11342 flow [2021-03-26 07:57:07,117 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=11196, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=418, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=11342, PETRI_PLACES=356, PETRI_TRANSITIONS=510} [2021-03-26 07:57:07,117 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 317 predicate places. [2021-03-26 07:57:07,117 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:07,117 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 356 places, 510 transitions, 11342 flow [2021-03-26 07:57:07,118 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 356 places, 510 transitions, 11342 flow [2021-03-26 07:57:07,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 348 places, 510 transitions, 11342 flow [2021-03-26 07:57:07,271 INFO L129 PetriNetUnfolder]: 485/1024 cut-off events. [2021-03-26 07:57:07,272 INFO L130 PetriNetUnfolder]: For 38550/38698 co-relation queries the response was YES. [2021-03-26 07:57:07,281 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12367 conditions, 1024 events. 485/1024 cut-off events. For 38550/38698 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 6697 event pairs, 28 based on Foata normal form. 19/1016 useless extension candidates. Maximal degree in co-relation 12237. Up to 378 conditions per place. [2021-03-26 07:57:07,292 INFO L142 LiptonReduction]: Number of co-enabled transitions 648 [2021-03-26 07:57:07,381 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:07,381 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:57:07,381 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 264 [2021-03-26 07:57:07,381 INFO L480 AbstractCegarLoop]: Abstraction has has 348 places, 510 transitions, 11348 flow [2021-03-26 07:57:07,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:07,381 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:07,381 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:07,381 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2021-03-26 07:57:07,381 INFO L428 AbstractCegarLoop]: === Iteration 208 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:07,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:07,382 INFO L82 PathProgramCache]: Analyzing trace with hash 242933160, now seen corresponding path program 31 times [2021-03-26 07:57:07,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:07,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639927202] [2021-03-26 07:57:07,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:07,408 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:07,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:07,413 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:07,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:07,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:07,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:07,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:07,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:57:07,447 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:57:07,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:57:07,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:07,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:07,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:07,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:07,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:07,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:07,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:07,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:07,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:07,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:07,564 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:07,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:07,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:07,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639927202] [2021-03-26 07:57:07,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:07,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:57:07,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867916840] [2021-03-26 07:57:07,566 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:57:07,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:07,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:57:07,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:57:07,567 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 146 [2021-03-26 07:57:07,567 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 510 transitions, 11348 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:07,567 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:07,567 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 146 [2021-03-26 07:57:07,567 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:08,321 INFO L129 PetriNetUnfolder]: 750/1400 cut-off events. [2021-03-26 07:57:08,322 INFO L130 PetriNetUnfolder]: For 57423/57440 co-relation queries the response was YES. [2021-03-26 07:57:08,334 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17621 conditions, 1400 events. 750/1400 cut-off events. For 57423/57440 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 8413 event pairs, 135 based on Foata normal form. 14/1413 useless extension candidates. Maximal degree in co-relation 17489. Up to 1209 conditions per place. [2021-03-26 07:57:08,340 INFO L132 encePairwiseOnDemand]: 129/146 looper letters, 412 selfloop transitions, 97 changer transitions 4/521 dead transitions. [2021-03-26 07:57:08,340 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 521 transitions, 12464 flow [2021-03-26 07:57:08,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:57:08,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:57:08,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 446 transitions. [2021-03-26 07:57:08,342 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2181996086105675 [2021-03-26 07:57:08,342 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 446 transitions. [2021-03-26 07:57:08,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 446 transitions. [2021-03-26 07:57:08,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:08,342 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 446 transitions. [2021-03-26 07:57:08,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.857142857142858) internal successors, (446), 14 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:08,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 146.0) internal successors, (2190), 15 states have internal predecessors, (2190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:08,343 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 146.0) internal successors, (2190), 15 states have internal predecessors, (2190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:08,343 INFO L185 Difference]: Start difference. First operand has 348 places, 510 transitions, 11348 flow. Second operand 14 states and 446 transitions. [2021-03-26 07:57:08,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 521 transitions, 12464 flow [2021-03-26 07:57:08,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 521 transitions, 12224 flow, removed 8 selfloop flow, removed 15 redundant places. [2021-03-26 07:57:08,550 INFO L241 Difference]: Finished difference. Result has 348 places, 507 transitions, 11285 flow [2021-03-26 07:57:08,550 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=146, PETRI_DIFFERENCE_MINUEND_FLOW=11112, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=510, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=11285, PETRI_PLACES=348, PETRI_TRANSITIONS=507} [2021-03-26 07:57:08,550 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 309 predicate places. [2021-03-26 07:57:08,550 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:08,550 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 348 places, 507 transitions, 11285 flow [2021-03-26 07:57:08,550 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 348 places, 507 transitions, 11285 flow [2021-03-26 07:57:08,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 343 places, 507 transitions, 11285 flow [2021-03-26 07:57:08,690 INFO L129 PetriNetUnfolder]: 498/1046 cut-off events. [2021-03-26 07:57:08,691 INFO L130 PetriNetUnfolder]: For 38780/38961 co-relation queries the response was YES. [2021-03-26 07:57:08,699 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12583 conditions, 1046 events. 498/1046 cut-off events. For 38780/38961 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 6826 event pairs, 18 based on Foata normal form. 38/1060 useless extension candidates. Maximal degree in co-relation 12454. Up to 382 conditions per place. [2021-03-26 07:57:08,709 INFO L142 LiptonReduction]: Number of co-enabled transitions 640 [2021-03-26 07:57:08,737 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:08,737 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:57:08,737 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 187 [2021-03-26 07:57:08,738 INFO L480 AbstractCegarLoop]: Abstraction has has 343 places, 507 transitions, 11285 flow [2021-03-26 07:57:08,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:08,738 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:08,738 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:08,738 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2021-03-26 07:57:08,738 INFO L428 AbstractCegarLoop]: === Iteration 209 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:08,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:08,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1990093732, now seen corresponding path program 32 times [2021-03-26 07:57:08,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:08,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430264963] [2021-03-26 07:57:08,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:08,762 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:08,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:08,767 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:08,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:08,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:08,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:08,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:08,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:57:08,807 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:57:08,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:57:08,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:08,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:08,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:08,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:08,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:08,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:08,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:08,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:08,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:08,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:08,915 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:08,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:08,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:08,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430264963] [2021-03-26 07:57:08,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:08,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:57:08,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990553638] [2021-03-26 07:57:08,918 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:57:08,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:08,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:57:08,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:57:08,919 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 146 [2021-03-26 07:57:08,919 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 507 transitions, 11285 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:08,919 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:08,919 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 146 [2021-03-26 07:57:08,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:09,662 INFO L129 PetriNetUnfolder]: 749/1398 cut-off events. [2021-03-26 07:57:09,662 INFO L130 PetriNetUnfolder]: For 56287/56302 co-relation queries the response was YES. [2021-03-26 07:57:09,672 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17452 conditions, 1398 events. 749/1398 cut-off events. For 56287/56302 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 8385 event pairs, 133 based on Foata normal form. 10/1407 useless extension candidates. Maximal degree in co-relation 17321. Up to 1207 conditions per place. [2021-03-26 07:57:09,678 INFO L132 encePairwiseOnDemand]: 130/146 looper letters, 410 selfloop transitions, 96 changer transitions 3/517 dead transitions. [2021-03-26 07:57:09,678 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 517 transitions, 12382 flow [2021-03-26 07:57:09,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:57:09,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:57:09,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 444 transitions. [2021-03-26 07:57:09,680 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2172211350293542 [2021-03-26 07:57:09,680 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 444 transitions. [2021-03-26 07:57:09,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 444 transitions. [2021-03-26 07:57:09,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:09,680 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 444 transitions. [2021-03-26 07:57:09,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.714285714285715) internal successors, (444), 14 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:09,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 146.0) internal successors, (2190), 15 states have internal predecessors, (2190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:09,681 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 146.0) internal successors, (2190), 15 states have internal predecessors, (2190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:09,681 INFO L185 Difference]: Start difference. First operand has 343 places, 507 transitions, 11285 flow. Second operand 14 states and 444 transitions. [2021-03-26 07:57:09,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 517 transitions, 12382 flow [2021-03-26 07:57:09,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 517 transitions, 12066 flow, removed 60 selfloop flow, removed 13 redundant places. [2021-03-26 07:57:09,916 INFO L241 Difference]: Finished difference. Result has 344 places, 504 transitions, 11140 flow [2021-03-26 07:57:09,916 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=146, PETRI_DIFFERENCE_MINUEND_FLOW=10969, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=507, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=11140, PETRI_PLACES=344, PETRI_TRANSITIONS=504} [2021-03-26 07:57:09,916 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 305 predicate places. [2021-03-26 07:57:09,916 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:09,916 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 344 places, 504 transitions, 11140 flow [2021-03-26 07:57:09,917 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 344 places, 504 transitions, 11140 flow [2021-03-26 07:57:09,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 339 places, 504 transitions, 11140 flow [2021-03-26 07:57:10,054 INFO L129 PetriNetUnfolder]: 494/1036 cut-off events. [2021-03-26 07:57:10,054 INFO L130 PetriNetUnfolder]: For 37167/37308 co-relation queries the response was YES. [2021-03-26 07:57:10,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12373 conditions, 1036 events. 494/1036 cut-off events. For 37167/37308 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 6719 event pairs, 19 based on Foata normal form. 37/1050 useless extension candidates. Maximal degree in co-relation 12246. Up to 380 conditions per place. [2021-03-26 07:57:10,072 INFO L142 LiptonReduction]: Number of co-enabled transitions 632 [2021-03-26 07:57:10,100 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:10,100 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:57:10,100 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 184 [2021-03-26 07:57:10,100 INFO L480 AbstractCegarLoop]: Abstraction has has 339 places, 504 transitions, 11140 flow [2021-03-26 07:57:10,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:10,101 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:10,101 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:10,101 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2021-03-26 07:57:10,101 INFO L428 AbstractCegarLoop]: === Iteration 210 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:10,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:10,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1250543734, now seen corresponding path program 33 times [2021-03-26 07:57:10,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:10,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634656431] [2021-03-26 07:57:10,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:10,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:10,119 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:10,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:10,123 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:10,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:10,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:10,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:10,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:10,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:57:10,149 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:57:10,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:57:10,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:10,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:10,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:10,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:10,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:10,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:10,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:10,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:10,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:10,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:10,232 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:10,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:10,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:10,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634656431] [2021-03-26 07:57:10,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:10,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:57:10,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950327939] [2021-03-26 07:57:10,237 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:57:10,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:10,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:57:10,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:57:10,238 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 146 [2021-03-26 07:57:10,238 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 504 transitions, 11140 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:10,238 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:10,238 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 146 [2021-03-26 07:57:10,238 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:10,942 INFO L129 PetriNetUnfolder]: 748/1392 cut-off events. [2021-03-26 07:57:10,943 INFO L130 PetriNetUnfolder]: For 55039/55056 co-relation queries the response was YES. [2021-03-26 07:57:10,954 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17256 conditions, 1392 events. 748/1392 cut-off events. For 55039/55056 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 8296 event pairs, 134 based on Foata normal form. 14/1405 useless extension candidates. Maximal degree in co-relation 17127. Up to 1205 conditions per place. [2021-03-26 07:57:10,960 INFO L132 encePairwiseOnDemand]: 130/146 looper letters, 409 selfloop transitions, 94 changer transitions 4/515 dead transitions. [2021-03-26 07:57:10,960 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 515 transitions, 12237 flow [2021-03-26 07:57:10,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:57:10,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:57:10,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 469 transitions. [2021-03-26 07:57:10,962 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2141552511415525 [2021-03-26 07:57:10,962 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 469 transitions. [2021-03-26 07:57:10,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 469 transitions. [2021-03-26 07:57:10,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:10,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 469 transitions. [2021-03-26 07:57:10,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.266666666666666) internal successors, (469), 15 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:10,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 146.0) internal successors, (2336), 16 states have internal predecessors, (2336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:10,963 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 146.0) internal successors, (2336), 16 states have internal predecessors, (2336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:10,963 INFO L185 Difference]: Start difference. First operand has 339 places, 504 transitions, 11140 flow. Second operand 15 states and 469 transitions. [2021-03-26 07:57:10,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 515 transitions, 12237 flow [2021-03-26 07:57:11,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 515 transitions, 12029 flow, removed 5 selfloop flow, removed 14 redundant places. [2021-03-26 07:57:11,154 INFO L241 Difference]: Finished difference. Result has 340 places, 501 transitions, 11093 flow [2021-03-26 07:57:11,154 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=146, PETRI_DIFFERENCE_MINUEND_FLOW=10932, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=504, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=11093, PETRI_PLACES=340, PETRI_TRANSITIONS=501} [2021-03-26 07:57:11,155 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 301 predicate places. [2021-03-26 07:57:11,155 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:11,155 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 340 places, 501 transitions, 11093 flow [2021-03-26 07:57:11,155 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 340 places, 501 transitions, 11093 flow [2021-03-26 07:57:11,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 336 places, 501 transitions, 11093 flow [2021-03-26 07:57:11,287 INFO L129 PetriNetUnfolder]: 490/1026 cut-off events. [2021-03-26 07:57:11,288 INFO L130 PetriNetUnfolder]: For 35497/35662 co-relation queries the response was YES. [2021-03-26 07:57:11,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12208 conditions, 1026 events. 490/1026 cut-off events. For 35497/35662 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 6567 event pairs, 20 based on Foata normal form. 33/1034 useless extension candidates. Maximal degree in co-relation 12084. Up to 374 conditions per place. [2021-03-26 07:57:11,305 INFO L142 LiptonReduction]: Number of co-enabled transitions 632 [2021-03-26 07:57:11,333 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:11,333 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:57:11,333 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 178 [2021-03-26 07:57:11,333 INFO L480 AbstractCegarLoop]: Abstraction has has 336 places, 501 transitions, 11093 flow [2021-03-26 07:57:11,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:11,333 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:11,333 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:11,333 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2021-03-26 07:57:11,333 INFO L428 AbstractCegarLoop]: === Iteration 211 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:11,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:11,334 INFO L82 PathProgramCache]: Analyzing trace with hash 740619132, now seen corresponding path program 34 times [2021-03-26 07:57:11,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:11,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531227888] [2021-03-26 07:57:11,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:11,339 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:11,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:11,344 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:11,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:11,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:11,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:11,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:11,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:57:11,370 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:57:11,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:57:11,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:11,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:11,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:11,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:11,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:11,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:11,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:11,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:11,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:11,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:11,451 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:11,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:11,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:11,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531227888] [2021-03-26 07:57:11,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:11,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:57:11,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851779192] [2021-03-26 07:57:11,453 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:57:11,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:11,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:57:11,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:57:11,454 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 146 [2021-03-26 07:57:11,454 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 501 transitions, 11093 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:11,454 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:11,454 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 146 [2021-03-26 07:57:11,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:12,113 INFO L129 PetriNetUnfolder]: 746/1397 cut-off events. [2021-03-26 07:57:12,113 INFO L130 PetriNetUnfolder]: For 51667/51671 co-relation queries the response was YES. [2021-03-26 07:57:12,127 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17060 conditions, 1397 events. 746/1397 cut-off events. For 51667/51671 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 8339 event pairs, 134 based on Foata normal form. 5/1401 useless extension candidates. Maximal degree in co-relation 16931. Up to 1202 conditions per place. [2021-03-26 07:57:12,133 INFO L132 encePairwiseOnDemand]: 130/146 looper letters, 408 selfloop transitions, 94 changer transitions 2/512 dead transitions. [2021-03-26 07:57:12,133 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 512 transitions, 12184 flow [2021-03-26 07:57:12,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:57:12,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:57:12,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 468 transitions. [2021-03-26 07:57:12,134 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2136986301369863 [2021-03-26 07:57:12,134 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 468 transitions. [2021-03-26 07:57:12,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 468 transitions. [2021-03-26 07:57:12,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:12,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 468 transitions. [2021-03-26 07:57:12,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.2) internal successors, (468), 15 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:12,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 146.0) internal successors, (2336), 16 states have internal predecessors, (2336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:12,136 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 146.0) internal successors, (2336), 16 states have internal predecessors, (2336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:12,136 INFO L185 Difference]: Start difference. First operand has 336 places, 501 transitions, 11093 flow. Second operand 15 states and 468 transitions. [2021-03-26 07:57:12,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 512 transitions, 12184 flow [2021-03-26 07:57:12,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 512 transitions, 11969 flow, removed 2 selfloop flow, removed 14 redundant places. [2021-03-26 07:57:12,391 INFO L241 Difference]: Finished difference. Result has 337 places, 499 transitions, 11055 flow [2021-03-26 07:57:12,391 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=146, PETRI_DIFFERENCE_MINUEND_FLOW=10880, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=501, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=11055, PETRI_PLACES=337, PETRI_TRANSITIONS=499} [2021-03-26 07:57:12,391 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 298 predicate places. [2021-03-26 07:57:12,391 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:12,391 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 337 places, 499 transitions, 11055 flow [2021-03-26 07:57:12,392 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 337 places, 499 transitions, 11055 flow [2021-03-26 07:57:12,396 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 335 places, 499 transitions, 11055 flow [2021-03-26 07:57:12,554 INFO L129 PetriNetUnfolder]: 489/1025 cut-off events. [2021-03-26 07:57:12,554 INFO L130 PetriNetUnfolder]: For 35687/35840 co-relation queries the response was YES. [2021-03-26 07:57:12,564 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12159 conditions, 1025 events. 489/1025 cut-off events. For 35687/35840 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 6567 event pairs, 24 based on Foata normal form. 40/1041 useless extension candidates. Maximal degree in co-relation 12033. Up to 378 conditions per place. [2021-03-26 07:57:12,575 INFO L142 LiptonReduction]: Number of co-enabled transitions 628 [2021-03-26 07:57:12,604 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:12,604 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:57:12,604 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 213 [2021-03-26 07:57:12,604 INFO L480 AbstractCegarLoop]: Abstraction has has 335 places, 499 transitions, 11055 flow [2021-03-26 07:57:12,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:12,604 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:12,604 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:12,604 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2021-03-26 07:57:12,605 INFO L428 AbstractCegarLoop]: === Iteration 212 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:12,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:12,605 INFO L82 PathProgramCache]: Analyzing trace with hash -118850044, now seen corresponding path program 35 times [2021-03-26 07:57:12,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:12,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082084316] [2021-03-26 07:57:12,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:12,611 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:12,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:12,616 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:12,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:12,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:12,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:12,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:12,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:57:12,641 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:57:12,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:57:12,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:12,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:12,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:12,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:12,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:12,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:12,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:12,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:12,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:12,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:12,723 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:12,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:12,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:12,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082084316] [2021-03-26 07:57:12,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:12,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:57:12,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781760305] [2021-03-26 07:57:12,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:57:12,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:12,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:57:12,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:57:12,726 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 146 [2021-03-26 07:57:12,727 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 499 transitions, 11055 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:12,727 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:12,727 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 146 [2021-03-26 07:57:12,727 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:13,431 INFO L129 PetriNetUnfolder]: 746/1386 cut-off events. [2021-03-26 07:57:13,431 INFO L130 PetriNetUnfolder]: For 51566/51583 co-relation queries the response was YES. [2021-03-26 07:57:13,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17026 conditions, 1386 events. 746/1386 cut-off events. For 51566/51583 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 8240 event pairs, 135 based on Foata normal form. 14/1399 useless extension candidates. Maximal degree in co-relation 16900. Up to 1202 conditions per place. [2021-03-26 07:57:13,449 INFO L132 encePairwiseOnDemand]: 130/146 looper letters, 407 selfloop transitions, 88 changer transitions 6/509 dead transitions. [2021-03-26 07:57:13,449 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 509 transitions, 12136 flow [2021-03-26 07:57:13,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:57:13,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:57:13,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 439 transitions. [2021-03-26 07:57:13,450 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21477495107632094 [2021-03-26 07:57:13,450 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 439 transitions. [2021-03-26 07:57:13,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 439 transitions. [2021-03-26 07:57:13,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:13,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 439 transitions. [2021-03-26 07:57:13,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.357142857142858) internal successors, (439), 14 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:13,451 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 146.0) internal successors, (2190), 15 states have internal predecessors, (2190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:13,452 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 146.0) internal successors, (2190), 15 states have internal predecessors, (2190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:13,452 INFO L185 Difference]: Start difference. First operand has 335 places, 499 transitions, 11055 flow. Second operand 14 states and 439 transitions. [2021-03-26 07:57:13,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 509 transitions, 12136 flow [2021-03-26 07:57:13,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 509 transitions, 11945 flow, removed 2 selfloop flow, removed 14 redundant places. [2021-03-26 07:57:13,627 INFO L241 Difference]: Finished difference. Result has 335 places, 493 transitions, 10987 flow [2021-03-26 07:57:13,628 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=146, PETRI_DIFFERENCE_MINUEND_FLOW=10864, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=499, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=10987, PETRI_PLACES=335, PETRI_TRANSITIONS=493} [2021-03-26 07:57:13,628 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 296 predicate places. [2021-03-26 07:57:13,628 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:13,628 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 335 places, 493 transitions, 10987 flow [2021-03-26 07:57:13,628 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 335 places, 493 transitions, 10987 flow [2021-03-26 07:57:13,631 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 325 places, 493 transitions, 10987 flow [2021-03-26 07:57:13,758 INFO L129 PetriNetUnfolder]: 486/1013 cut-off events. [2021-03-26 07:57:13,759 INFO L130 PetriNetUnfolder]: For 34956/35103 co-relation queries the response was YES. [2021-03-26 07:57:13,767 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12092 conditions, 1013 events. 486/1013 cut-off events. For 34956/35103 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 6460 event pairs, 22 based on Foata normal form. 38/1026 useless extension candidates. Maximal degree in co-relation 11969. Up to 371 conditions per place. [2021-03-26 07:57:13,777 INFO L142 LiptonReduction]: Number of co-enabled transitions 628 [2021-03-26 07:57:13,804 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:13,805 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:57:13,805 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 177 [2021-03-26 07:57:13,805 INFO L480 AbstractCegarLoop]: Abstraction has has 325 places, 493 transitions, 10987 flow [2021-03-26 07:57:13,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:13,805 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:13,805 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:13,805 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2021-03-26 07:57:13,805 INFO L428 AbstractCegarLoop]: === Iteration 213 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:13,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:13,806 INFO L82 PathProgramCache]: Analyzing trace with hash -702659376, now seen corresponding path program 36 times [2021-03-26 07:57:13,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:13,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519936776] [2021-03-26 07:57:13,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:13,812 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:13,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:13,817 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:13,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:13,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:13,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:13,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:13,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:57:13,843 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:57:13,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:57:13,865 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:57:13,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:57:13,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:13,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:13,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:13,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:13,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:13,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:13,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:13,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:13,946 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:13,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:13,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:13,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519936776] [2021-03-26 07:57:13,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:13,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:57:13,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239123967] [2021-03-26 07:57:13,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:57:13,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:13,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:57:13,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:57:13,950 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 146 [2021-03-26 07:57:13,950 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 493 transitions, 10987 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:13,950 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:13,950 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 146 [2021-03-26 07:57:13,950 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:14,717 INFO L129 PetriNetUnfolder]: 766/1421 cut-off events. [2021-03-26 07:57:14,717 INFO L130 PetriNetUnfolder]: For 54480/54519 co-relation queries the response was YES. [2021-03-26 07:57:14,729 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17500 conditions, 1421 events. 766/1421 cut-off events. For 54480/54519 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 8438 event pairs, 177 based on Foata normal form. 18/1435 useless extension candidates. Maximal degree in co-relation 17372. Up to 1220 conditions per place. [2021-03-26 07:57:14,735 INFO L132 encePairwiseOnDemand]: 126/146 looper letters, 392 selfloop transitions, 132 changer transitions 1/533 dead transitions. [2021-03-26 07:57:14,735 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 533 transitions, 12853 flow [2021-03-26 07:57:14,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 07:57:14,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 07:57:14,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 563 transitions. [2021-03-26 07:57:14,736 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21423135464231355 [2021-03-26 07:57:14,736 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 563 transitions. [2021-03-26 07:57:14,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 563 transitions. [2021-03-26 07:57:14,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:14,736 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 563 transitions. [2021-03-26 07:57:14,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 31.27777777777778) internal successors, (563), 18 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:14,738 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 146.0) internal successors, (2774), 19 states have internal predecessors, (2774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:14,738 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 146.0) internal successors, (2774), 19 states have internal predecessors, (2774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:14,738 INFO L185 Difference]: Start difference. First operand has 325 places, 493 transitions, 10987 flow. Second operand 18 states and 563 transitions. [2021-03-26 07:57:14,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 533 transitions, 12853 flow [2021-03-26 07:57:14,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 533 transitions, 12554 flow, removed 49 selfloop flow, removed 13 redundant places. [2021-03-26 07:57:14,909 INFO L241 Difference]: Finished difference. Result has 336 places, 512 transitions, 11487 flow [2021-03-26 07:57:14,910 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=146, PETRI_DIFFERENCE_MINUEND_FLOW=10730, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=493, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=118, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=11487, PETRI_PLACES=336, PETRI_TRANSITIONS=512} [2021-03-26 07:57:14,910 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 297 predicate places. [2021-03-26 07:57:14,910 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:14,910 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 336 places, 512 transitions, 11487 flow [2021-03-26 07:57:14,910 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 336 places, 512 transitions, 11487 flow [2021-03-26 07:57:14,913 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 335 places, 512 transitions, 11487 flow [2021-03-26 07:57:15,048 INFO L129 PetriNetUnfolder]: 509/1049 cut-off events. [2021-03-26 07:57:15,048 INFO L130 PetriNetUnfolder]: For 38152/38362 co-relation queries the response was YES. [2021-03-26 07:57:15,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12503 conditions, 1049 events. 509/1049 cut-off events. For 38152/38362 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 6739 event pairs, 29 based on Foata normal form. 19/1027 useless extension candidates. Maximal degree in co-relation 12376. Up to 399 conditions per place. [2021-03-26 07:57:15,066 INFO L142 LiptonReduction]: Number of co-enabled transitions 642 [2021-03-26 07:57:15,236 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-26 07:57:15,236 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 07:57:15,236 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 326 [2021-03-26 07:57:15,236 INFO L480 AbstractCegarLoop]: Abstraction has has 335 places, 512 transitions, 11552 flow [2021-03-26 07:57:15,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:15,236 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:15,236 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:15,237 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2021-03-26 07:57:15,237 INFO L428 AbstractCegarLoop]: === Iteration 214 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:15,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:15,237 INFO L82 PathProgramCache]: Analyzing trace with hash 138446568, now seen corresponding path program 37 times [2021-03-26 07:57:15,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:15,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713459514] [2021-03-26 07:57:15,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:15,245 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:15,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:15,250 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:15,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:15,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:15,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:15,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:15,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:57:15,300 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:57:15,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:57:15,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:15,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:15,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:15,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:15,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:15,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:15,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:15,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:15,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:15,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:15,384 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:15,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:15,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:15,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713459514] [2021-03-26 07:57:15,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:15,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:57:15,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617331889] [2021-03-26 07:57:15,386 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:57:15,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:15,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:57:15,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:57:15,387 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 151 [2021-03-26 07:57:15,387 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 512 transitions, 11552 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:15,387 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:15,387 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 151 [2021-03-26 07:57:15,387 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:16,266 INFO L129 PetriNetUnfolder]: 811/1518 cut-off events. [2021-03-26 07:57:16,266 INFO L130 PetriNetUnfolder]: For 56934/56958 co-relation queries the response was YES. [2021-03-26 07:57:16,280 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18578 conditions, 1518 events. 811/1518 cut-off events. For 56934/56958 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 9248 event pairs, 170 based on Foata normal form. 19/1535 useless extension candidates. Maximal degree in co-relation 18448. Up to 1244 conditions per place. [2021-03-26 07:57:16,287 INFO L132 encePairwiseOnDemand]: 126/151 looper letters, 396 selfloop transitions, 166 changer transitions 7/577 dead transitions. [2021-03-26 07:57:16,287 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 577 transitions, 14243 flow [2021-03-26 07:57:16,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 07:57:16,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 07:57:16,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 541 transitions. [2021-03-26 07:57:16,289 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2107518504090378 [2021-03-26 07:57:16,289 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 541 transitions. [2021-03-26 07:57:16,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 541 transitions. [2021-03-26 07:57:16,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:16,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 541 transitions. [2021-03-26 07:57:16,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 31.823529411764707) internal successors, (541), 17 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:16,290 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 151.0) internal successors, (2718), 18 states have internal predecessors, (2718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:16,291 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 151.0) internal successors, (2718), 18 states have internal predecessors, (2718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:16,291 INFO L185 Difference]: Start difference. First operand has 335 places, 512 transitions, 11552 flow. Second operand 17 states and 541 transitions. [2021-03-26 07:57:16,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 577 transitions, 14243 flow [2021-03-26 07:57:16,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 577 transitions, 13698 flow, removed 216 selfloop flow, removed 5 redundant places. [2021-03-26 07:57:16,538 INFO L241 Difference]: Finished difference. Result has 351 places, 553 transitions, 12585 flow [2021-03-26 07:57:16,538 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=11105, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=12585, PETRI_PLACES=351, PETRI_TRANSITIONS=553} [2021-03-26 07:57:16,538 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 312 predicate places. [2021-03-26 07:57:16,538 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:16,538 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 351 places, 553 transitions, 12585 flow [2021-03-26 07:57:16,538 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 351 places, 553 transitions, 12585 flow [2021-03-26 07:57:16,543 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 347 places, 553 transitions, 12585 flow [2021-03-26 07:57:16,697 INFO L129 PetriNetUnfolder]: 543/1122 cut-off events. [2021-03-26 07:57:16,697 INFO L130 PetriNetUnfolder]: For 41806/41953 co-relation queries the response was YES. [2021-03-26 07:57:16,707 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13628 conditions, 1122 events. 543/1122 cut-off events. For 41806/41953 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 7352 event pairs, 28 based on Foata normal form. 20/1104 useless extension candidates. Maximal degree in co-relation 13496. Up to 411 conditions per place. [2021-03-26 07:57:16,718 INFO L142 LiptonReduction]: Number of co-enabled transitions 656 [2021-03-26 07:57:16,750 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:16,750 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:57:16,750 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 212 [2021-03-26 07:57:16,751 INFO L480 AbstractCegarLoop]: Abstraction has has 347 places, 553 transitions, 12585 flow [2021-03-26 07:57:16,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:16,751 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:16,751 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:16,751 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2021-03-26 07:57:16,751 INFO L428 AbstractCegarLoop]: === Iteration 215 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:16,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:16,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1314255289, now seen corresponding path program 1 times [2021-03-26 07:57:16,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:16,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979789295] [2021-03-26 07:57:16,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:16,782 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:16,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:16,788 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:16,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:16,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:16,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:16,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:16,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:57:16,819 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 07:57:16,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 07:57:16,839 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 07:57:16,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:57:16,857 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 07:57:16,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:57:16,876 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 07:57:16,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:57:16,894 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 07:57:16,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:57:16,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:16,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:57:16,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:16,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:16,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:16,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979789295] [2021-03-26 07:57:16,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:16,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:57:16,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105525756] [2021-03-26 07:57:16,901 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:57:16,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:16,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:57:16,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:57:16,901 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 151 [2021-03-26 07:57:16,901 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 553 transitions, 12585 flow. Second operand has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:16,902 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:16,902 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 151 [2021-03-26 07:57:16,902 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:17,658 INFO L129 PetriNetUnfolder]: 811/1522 cut-off events. [2021-03-26 07:57:17,658 INFO L130 PetriNetUnfolder]: For 58295/58312 co-relation queries the response was YES. [2021-03-26 07:57:17,673 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18929 conditions, 1522 events. 811/1522 cut-off events. For 58295/58312 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 9279 event pairs, 174 based on Foata normal form. 10/1529 useless extension candidates. Maximal degree in co-relation 18794. Up to 1320 conditions per place. [2021-03-26 07:57:17,680 INFO L132 encePairwiseOnDemand]: 129/151 looper letters, 437 selfloop transitions, 129 changer transitions 2/576 dead transitions. [2021-03-26 07:57:17,680 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 576 transitions, 14152 flow [2021-03-26 07:57:17,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:57:17,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:57:17,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 454 transitions. [2021-03-26 07:57:17,682 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21475875118259224 [2021-03-26 07:57:17,682 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 454 transitions. [2021-03-26 07:57:17,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 454 transitions. [2021-03-26 07:57:17,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:17,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 454 transitions. [2021-03-26 07:57:17,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.42857142857143) internal successors, (454), 14 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:17,683 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 151.0) internal successors, (2265), 15 states have internal predecessors, (2265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:17,683 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 151.0) internal successors, (2265), 15 states have internal predecessors, (2265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:17,683 INFO L185 Difference]: Start difference. First operand has 347 places, 553 transitions, 12585 flow. Second operand 14 states and 454 transitions. [2021-03-26 07:57:17,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 576 transitions, 14152 flow [2021-03-26 07:57:17,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 576 transitions, 13808 flow, removed 132 selfloop flow, removed 6 redundant places. [2021-03-26 07:57:17,927 INFO L241 Difference]: Finished difference. Result has 359 places, 565 transitions, 12812 flow [2021-03-26 07:57:17,927 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=12241, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=553, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=118, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=432, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=12812, PETRI_PLACES=359, PETRI_TRANSITIONS=565} [2021-03-26 07:57:17,928 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 320 predicate places. [2021-03-26 07:57:17,928 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:17,928 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 359 places, 565 transitions, 12812 flow [2021-03-26 07:57:17,928 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 359 places, 565 transitions, 12812 flow [2021-03-26 07:57:17,932 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 359 places, 565 transitions, 12812 flow [2021-03-26 07:57:18,106 INFO L129 PetriNetUnfolder]: 560/1151 cut-off events. [2021-03-26 07:57:18,106 INFO L130 PetriNetUnfolder]: For 40285/40402 co-relation queries the response was YES. [2021-03-26 07:57:18,117 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14020 conditions, 1151 events. 560/1151 cut-off events. For 40285/40402 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 7483 event pairs, 18 based on Foata normal form. 25/1147 useless extension candidates. Maximal degree in co-relation 13876. Up to 400 conditions per place. [2021-03-26 07:57:18,129 INFO L142 LiptonReduction]: Number of co-enabled transitions 654 [2021-03-26 07:57:18,230 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:18,230 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:57:18,230 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 302 [2021-03-26 07:57:18,231 INFO L480 AbstractCegarLoop]: Abstraction has has 359 places, 565 transitions, 12826 flow [2021-03-26 07:57:18,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:18,231 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:18,231 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:18,231 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2021-03-26 07:57:18,231 INFO L428 AbstractCegarLoop]: === Iteration 216 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:18,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:18,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1641676047, now seen corresponding path program 2 times [2021-03-26 07:57:18,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:18,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348631569] [2021-03-26 07:57:18,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:18,237 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:18,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:18,242 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:18,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:18,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:18,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:18,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:18,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:57:18,270 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 07:57:18,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 07:57:18,289 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 07:57:18,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:57:18,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:18,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:57:18,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:18,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:57:18,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:18,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:57:18,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:18,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:18,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:18,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:18,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:18,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348631569] [2021-03-26 07:57:18,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:18,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:57:18,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102510429] [2021-03-26 07:57:18,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:57:18,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:18,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:57:18,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:57:18,361 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 152 [2021-03-26 07:57:18,361 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 565 transitions, 12826 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:18,361 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:18,361 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 152 [2021-03-26 07:57:18,361 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:19,405 INFO L129 PetriNetUnfolder]: 816/1530 cut-off events. [2021-03-26 07:57:19,405 INFO L130 PetriNetUnfolder]: For 62278/62296 co-relation queries the response was YES. [2021-03-26 07:57:19,419 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19338 conditions, 1530 events. 816/1530 cut-off events. For 62278/62296 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 9331 event pairs, 85 based on Foata normal form. 6/1532 useless extension candidates. Maximal degree in co-relation 19191. Up to 1267 conditions per place. [2021-03-26 07:57:19,427 INFO L132 encePairwiseOnDemand]: 130/152 looper letters, 414 selfloop transitions, 165 changer transitions 5/592 dead transitions. [2021-03-26 07:57:19,427 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 592 transitions, 14737 flow [2021-03-26 07:57:19,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 07:57:19,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 07:57:19,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 596 transitions. [2021-03-26 07:57:19,428 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20637119113573407 [2021-03-26 07:57:19,428 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 596 transitions. [2021-03-26 07:57:19,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 596 transitions. [2021-03-26 07:57:19,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:19,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 596 transitions. [2021-03-26 07:57:19,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 31.36842105263158) internal successors, (596), 19 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:19,430 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 152.0) internal successors, (3040), 20 states have internal predecessors, (3040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:19,430 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 152.0) internal successors, (3040), 20 states have internal predecessors, (3040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:19,430 INFO L185 Difference]: Start difference. First operand has 359 places, 565 transitions, 12826 flow. Second operand 19 states and 596 transitions. [2021-03-26 07:57:19,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 592 transitions, 14737 flow [2021-03-26 07:57:19,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 592 transitions, 14351 flow, removed 101 selfloop flow, removed 11 redundant places. [2021-03-26 07:57:19,722 INFO L241 Difference]: Finished difference. Result has 371 places, 569 transitions, 12922 flow [2021-03-26 07:57:19,723 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=12448, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=162, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=12922, PETRI_PLACES=371, PETRI_TRANSITIONS=569} [2021-03-26 07:57:19,723 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 332 predicate places. [2021-03-26 07:57:19,723 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:19,723 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 371 places, 569 transitions, 12922 flow [2021-03-26 07:57:19,723 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 371 places, 569 transitions, 12922 flow [2021-03-26 07:57:19,727 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 367 places, 569 transitions, 12922 flow [2021-03-26 07:57:19,897 INFO L129 PetriNetUnfolder]: 558/1157 cut-off events. [2021-03-26 07:57:19,898 INFO L130 PetriNetUnfolder]: For 43193/43362 co-relation queries the response was YES. [2021-03-26 07:57:19,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14372 conditions, 1157 events. 558/1157 cut-off events. For 43193/43362 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 7541 event pairs, 18 based on Foata normal form. 29/1156 useless extension candidates. Maximal degree in co-relation 14232. Up to 388 conditions per place. [2021-03-26 07:57:19,921 INFO L142 LiptonReduction]: Number of co-enabled transitions 660 [2021-03-26 07:57:20,058 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:20,058 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 07:57:20,058 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 335 [2021-03-26 07:57:20,058 INFO L480 AbstractCegarLoop]: Abstraction has has 366 places, 568 transitions, 12912 flow [2021-03-26 07:57:20,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:20,058 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:20,058 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:20,058 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2021-03-26 07:57:20,059 INFO L428 AbstractCegarLoop]: === Iteration 217 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:20,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:20,059 INFO L82 PathProgramCache]: Analyzing trace with hash -292342094, now seen corresponding path program 1 times [2021-03-26 07:57:20,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:20,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778077766] [2021-03-26 07:57:20,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:20,065 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:20,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:20,070 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:20,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:20,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:20,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:20,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:20,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:57:20,098 INFO L142 QuantifierPusher]: treesize reduction 24, result has 53.8 percent of original size [2021-03-26 07:57:20,099 INFO L147 QuantifierPusher]: treesize reduction 7, result has 75.0 percent of original size 21 [2021-03-26 07:57:20,126 INFO L142 QuantifierPusher]: treesize reduction 32, result has 37.3 percent of original size [2021-03-26 07:57:20,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:57:20,145 INFO L142 QuantifierPusher]: treesize reduction 32, result has 37.3 percent of original size [2021-03-26 07:57:20,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:57:20,166 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-03-26 07:57:20,166 INFO L147 QuantifierPusher]: treesize reduction 7, result has 70.8 percent of original size 17 [2021-03-26 07:57:20,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:20,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:57:20,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:20,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:20,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:20,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778077766] [2021-03-26 07:57:20,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:20,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:57:20,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694108026] [2021-03-26 07:57:20,182 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:57:20,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:20,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:57:20,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:57:20,182 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 154 [2021-03-26 07:57:20,183 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 568 transitions, 12912 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:20,183 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:20,183 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 154 [2021-03-26 07:57:20,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:21,279 INFO L129 PetriNetUnfolder]: 814/1530 cut-off events. [2021-03-26 07:57:21,279 INFO L130 PetriNetUnfolder]: For 64521/64554 co-relation queries the response was YES. [2021-03-26 07:57:21,293 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19524 conditions, 1530 events. 814/1530 cut-off events. For 64521/64554 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 9386 event pairs, 156 based on Foata normal form. 17/1544 useless extension candidates. Maximal degree in co-relation 19381. Up to 1254 conditions per place. [2021-03-26 07:57:21,301 INFO L132 encePairwiseOnDemand]: 129/154 looper letters, 398 selfloop transitions, 174 changer transitions 4/584 dead transitions. [2021-03-26 07:57:21,302 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 584 transitions, 14342 flow [2021-03-26 07:57:21,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:57:21,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:57:21,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 462 transitions. [2021-03-26 07:57:21,303 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21428571428571427 [2021-03-26 07:57:21,303 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 462 transitions. [2021-03-26 07:57:21,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 462 transitions. [2021-03-26 07:57:21,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:21,303 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 462 transitions. [2021-03-26 07:57:21,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 33.0) internal successors, (462), 14 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:21,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 154.0) internal successors, (2310), 15 states have internal predecessors, (2310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:21,305 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 154.0) internal successors, (2310), 15 states have internal predecessors, (2310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:21,305 INFO L185 Difference]: Start difference. First operand has 366 places, 568 transitions, 12912 flow. Second operand 14 states and 462 transitions. [2021-03-26 07:57:21,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 584 transitions, 14342 flow [2021-03-26 07:57:21,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 584 transitions, 13903 flow, removed 61 selfloop flow, removed 16 redundant places. [2021-03-26 07:57:21,605 INFO L241 Difference]: Finished difference. Result has 365 places, 565 transitions, 12910 flow [2021-03-26 07:57:21,605 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=12477, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=568, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=174, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=12910, PETRI_PLACES=365, PETRI_TRANSITIONS=565} [2021-03-26 07:57:21,605 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 326 predicate places. [2021-03-26 07:57:21,605 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:21,606 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 365 places, 565 transitions, 12910 flow [2021-03-26 07:57:21,606 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 365 places, 565 transitions, 12910 flow [2021-03-26 07:57:21,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 363 places, 565 transitions, 12910 flow [2021-03-26 07:57:21,812 INFO L129 PetriNetUnfolder]: 561/1156 cut-off events. [2021-03-26 07:57:21,812 INFO L130 PetriNetUnfolder]: For 40948/41157 co-relation queries the response was YES. [2021-03-26 07:57:21,824 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14410 conditions, 1156 events. 561/1156 cut-off events. For 40948/41157 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 7480 event pairs, 25 based on Foata normal form. 27/1146 useless extension candidates. Maximal degree in co-relation 14253. Up to 389 conditions per place. [2021-03-26 07:57:21,838 INFO L142 LiptonReduction]: Number of co-enabled transitions 658 [2021-03-26 07:57:21,874 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:21,874 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:57:21,874 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 269 [2021-03-26 07:57:21,874 INFO L480 AbstractCegarLoop]: Abstraction has has 363 places, 565 transitions, 12910 flow [2021-03-26 07:57:21,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:21,874 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:21,874 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:21,874 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2021-03-26 07:57:21,875 INFO L428 AbstractCegarLoop]: === Iteration 218 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:21,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:21,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1770423751, now seen corresponding path program 1 times [2021-03-26 07:57:21,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:21,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416747051] [2021-03-26 07:57:21,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:21,882 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:21,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:21,888 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:21,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:21,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:21,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:21,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:21,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:57:21,926 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 07:57:21,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 07:57:21,948 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 07:57:21,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 07:57:21,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:21,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:57:21,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:21,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:57:21,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:22,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:22,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:22,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:22,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:22,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416747051] [2021-03-26 07:57:22,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:22,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:57:22,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594447355] [2021-03-26 07:57:22,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:57:22,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:22,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:57:22,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:57:22,017 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 154 [2021-03-26 07:57:22,017 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 565 transitions, 12910 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:22,017 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:22,017 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 154 [2021-03-26 07:57:22,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:22,897 INFO L129 PetriNetUnfolder]: 812/1529 cut-off events. [2021-03-26 07:57:22,897 INFO L130 PetriNetUnfolder]: For 59908/59925 co-relation queries the response was YES. [2021-03-26 07:57:22,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19446 conditions, 1529 events. 812/1529 cut-off events. For 59908/59925 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 9404 event pairs, 170 based on Foata normal form. 10/1536 useless extension candidates. Maximal degree in co-relation 19284. Up to 1317 conditions per place. [2021-03-26 07:57:22,918 INFO L132 encePairwiseOnDemand]: 131/154 looper letters, 440 selfloop transitions, 128 changer transitions 3/579 dead transitions. [2021-03-26 07:57:22,918 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 579 transitions, 14341 flow [2021-03-26 07:57:22,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 07:57:22,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 07:57:22,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 534 transitions. [2021-03-26 07:57:22,919 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20397249809014514 [2021-03-26 07:57:22,919 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 534 transitions. [2021-03-26 07:57:22,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 534 transitions. [2021-03-26 07:57:22,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:22,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 534 transitions. [2021-03-26 07:57:22,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 31.41176470588235) internal successors, (534), 17 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:22,921 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 154.0) internal successors, (2772), 18 states have internal predecessors, (2772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:22,921 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 154.0) internal successors, (2772), 18 states have internal predecessors, (2772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:22,921 INFO L185 Difference]: Start difference. First operand has 363 places, 565 transitions, 12910 flow. Second operand 17 states and 534 transitions. [2021-03-26 07:57:22,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 579 transitions, 14341 flow [2021-03-26 07:57:23,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 579 transitions, 13876 flow, removed 2 selfloop flow, removed 14 redundant places. [2021-03-26 07:57:23,173 INFO L241 Difference]: Finished difference. Result has 368 places, 564 transitions, 12691 flow [2021-03-26 07:57:23,173 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=12445, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=128, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=12691, PETRI_PLACES=368, PETRI_TRANSITIONS=564} [2021-03-26 07:57:23,173 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 329 predicate places. [2021-03-26 07:57:23,173 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:23,173 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 368 places, 564 transitions, 12691 flow [2021-03-26 07:57:23,173 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 368 places, 564 transitions, 12691 flow [2021-03-26 07:57:23,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 365 places, 564 transitions, 12691 flow [2021-03-26 07:57:23,330 INFO L129 PetriNetUnfolder]: 556/1153 cut-off events. [2021-03-26 07:57:23,331 INFO L130 PetriNetUnfolder]: For 40799/40957 co-relation queries the response was YES. [2021-03-26 07:57:23,341 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14216 conditions, 1153 events. 556/1153 cut-off events. For 40799/40957 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 7490 event pairs, 24 based on Foata normal form. 34/1158 useless extension candidates. Maximal degree in co-relation 14078. Up to 385 conditions per place. [2021-03-26 07:57:23,352 INFO L142 LiptonReduction]: Number of co-enabled transitions 658 [2021-03-26 07:57:23,385 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:23,385 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:57:23,385 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 212 [2021-03-26 07:57:23,385 INFO L480 AbstractCegarLoop]: Abstraction has has 365 places, 564 transitions, 12691 flow [2021-03-26 07:57:23,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:23,386 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:23,386 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:23,386 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2021-03-26 07:57:23,386 INFO L428 AbstractCegarLoop]: === Iteration 219 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:23,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:23,386 INFO L82 PathProgramCache]: Analyzing trace with hash -192214087, now seen corresponding path program 4 times [2021-03-26 07:57:23,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:23,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892983645] [2021-03-26 07:57:23,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:23,393 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:23,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:23,397 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:23,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:23,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:23,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:23,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:23,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:57:23,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:23,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:23,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:23,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:23,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:23,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:23,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:23,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:23,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:23,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:23,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:23,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:23,496 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:23,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:23,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:23,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892983645] [2021-03-26 07:57:23,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:23,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:57:23,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143372995] [2021-03-26 07:57:23,498 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:57:23,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:23,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:57:23,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:57:23,499 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 154 [2021-03-26 07:57:23,499 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 564 transitions, 12691 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:23,499 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:23,499 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 154 [2021-03-26 07:57:23,499 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:24,463 INFO L129 PetriNetUnfolder]: 827/1586 cut-off events. [2021-03-26 07:57:24,463 INFO L130 PetriNetUnfolder]: For 63106/63123 co-relation queries the response was YES. [2021-03-26 07:57:24,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19958 conditions, 1586 events. 827/1586 cut-off events. For 63106/63123 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 9934 event pairs, 169 based on Foata normal form. 11/1594 useless extension candidates. Maximal degree in co-relation 19811. Up to 1327 conditions per place. [2021-03-26 07:57:24,485 INFO L132 encePairwiseOnDemand]: 132/154 looper letters, 451 selfloop transitions, 163 changer transitions 5/627 dead transitions. [2021-03-26 07:57:24,485 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 627 transitions, 15263 flow [2021-03-26 07:57:24,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 07:57:24,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 07:57:24,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 643 transitions. [2021-03-26 07:57:24,486 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20876623376623377 [2021-03-26 07:57:24,486 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 643 transitions. [2021-03-26 07:57:24,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 643 transitions. [2021-03-26 07:57:24,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:24,486 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 643 transitions. [2021-03-26 07:57:24,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 32.15) internal successors, (643), 20 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:24,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 154.0) internal successors, (3234), 21 states have internal predecessors, (3234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:24,488 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 154.0) internal successors, (3234), 21 states have internal predecessors, (3234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:24,488 INFO L185 Difference]: Start difference. First operand has 365 places, 564 transitions, 12691 flow. Second operand 20 states and 643 transitions. [2021-03-26 07:57:24,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 627 transitions, 15263 flow [2021-03-26 07:57:24,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 627 transitions, 15002 flow, removed 18 selfloop flow, removed 15 redundant places. [2021-03-26 07:57:24,753 INFO L241 Difference]: Finished difference. Result has 379 places, 604 transitions, 13842 flow [2021-03-26 07:57:24,754 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=12467, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=127, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=13842, PETRI_PLACES=379, PETRI_TRANSITIONS=604} [2021-03-26 07:57:24,754 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 340 predicate places. [2021-03-26 07:57:24,754 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:24,754 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 379 places, 604 transitions, 13842 flow [2021-03-26 07:57:24,754 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 379 places, 604 transitions, 13842 flow [2021-03-26 07:57:24,758 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 379 places, 604 transitions, 13842 flow [2021-03-26 07:57:24,932 INFO L129 PetriNetUnfolder]: 571/1213 cut-off events. [2021-03-26 07:57:24,932 INFO L130 PetriNetUnfolder]: For 47830/47987 co-relation queries the response was YES. [2021-03-26 07:57:24,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15287 conditions, 1213 events. 571/1213 cut-off events. For 47830/47987 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 8069 event pairs, 23 based on Foata normal form. 19/1203 useless extension candidates. Maximal degree in co-relation 15120. Up to 418 conditions per place. [2021-03-26 07:57:25,002 INFO L142 LiptonReduction]: Number of co-enabled transitions 676 [2021-03-26 07:57:25,039 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:25,039 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:57:25,039 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 285 [2021-03-26 07:57:25,039 INFO L480 AbstractCegarLoop]: Abstraction has has 379 places, 604 transitions, 13842 flow [2021-03-26 07:57:25,039 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:25,039 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:25,039 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:25,039 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218 [2021-03-26 07:57:25,039 INFO L428 AbstractCegarLoop]: === Iteration 220 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:25,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:25,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1112681700, now seen corresponding path program 38 times [2021-03-26 07:57:25,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:25,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098466478] [2021-03-26 07:57:25,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:25,050 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:25,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:25,056 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:25,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:25,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:25,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:25,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:25,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:57:25,085 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:57:25,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:57:25,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:25,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:25,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:25,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:25,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:25,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:25,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:25,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:25,168 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:57:25,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:25,177 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:25,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:25,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:25,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098466478] [2021-03-26 07:57:25,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:25,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:57:25,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839644065] [2021-03-26 07:57:25,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:57:25,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:25,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:57:25,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:57:25,180 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 154 [2021-03-26 07:57:25,181 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 604 transitions, 13842 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:25,181 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:25,181 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 154 [2021-03-26 07:57:25,181 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:26,115 INFO L129 PetriNetUnfolder]: 835/1599 cut-off events. [2021-03-26 07:57:26,115 INFO L130 PetriNetUnfolder]: For 70192/70216 co-relation queries the response was YES. [2021-03-26 07:57:26,134 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20795 conditions, 1599 events. 835/1599 cut-off events. For 70192/70216 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 10025 event pairs, 125 based on Foata normal form. 19/1616 useless extension candidates. Maximal degree in co-relation 20623. Up to 1307 conditions per place. [2021-03-26 07:57:26,141 INFO L132 encePairwiseOnDemand]: 129/154 looper letters, 445 selfloop transitions, 180 changer transitions 4/637 dead transitions. [2021-03-26 07:57:26,142 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 637 transitions, 15751 flow [2021-03-26 07:57:26,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:57:26,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:57:26,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 487 transitions. [2021-03-26 07:57:26,143 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21082251082251083 [2021-03-26 07:57:26,143 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 487 transitions. [2021-03-26 07:57:26,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 487 transitions. [2021-03-26 07:57:26,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:26,143 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 487 transitions. [2021-03-26 07:57:26,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.46666666666667) internal successors, (487), 15 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:26,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 154.0) internal successors, (2464), 16 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:26,145 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 154.0) internal successors, (2464), 16 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:26,145 INFO L185 Difference]: Start difference. First operand has 379 places, 604 transitions, 13842 flow. Second operand 15 states and 487 transitions. [2021-03-26 07:57:26,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 637 transitions, 15751 flow [2021-03-26 07:57:26,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 637 transitions, 15117 flow, removed 214 selfloop flow, removed 10 redundant places. [2021-03-26 07:57:26,484 INFO L241 Difference]: Finished difference. Result has 387 places, 620 transitions, 14049 flow [2021-03-26 07:57:26,484 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=13210, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=166, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=14049, PETRI_PLACES=387, PETRI_TRANSITIONS=620} [2021-03-26 07:57:26,484 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 348 predicate places. [2021-03-26 07:57:26,485 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:26,485 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 387 places, 620 transitions, 14049 flow [2021-03-26 07:57:26,485 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 387 places, 620 transitions, 14049 flow [2021-03-26 07:57:26,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 386 places, 620 transitions, 14049 flow [2021-03-26 07:57:26,676 INFO L129 PetriNetUnfolder]: 583/1227 cut-off events. [2021-03-26 07:57:26,676 INFO L130 PetriNetUnfolder]: For 52376/52694 co-relation queries the response was YES. [2021-03-26 07:57:26,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15642 conditions, 1227 events. 583/1227 cut-off events. For 52376/52694 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 8120 event pairs, 19 based on Foata normal form. 29/1226 useless extension candidates. Maximal degree in co-relation 15471. Up to 398 conditions per place. [2021-03-26 07:57:26,703 INFO L142 LiptonReduction]: Number of co-enabled transitions 672 [2021-03-26 07:57:26,744 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:26,744 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:57:26,744 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 259 [2021-03-26 07:57:26,745 INFO L480 AbstractCegarLoop]: Abstraction has has 386 places, 620 transitions, 14049 flow [2021-03-26 07:57:26,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:26,745 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:26,745 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:26,745 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable219 [2021-03-26 07:57:26,745 INFO L428 AbstractCegarLoop]: === Iteration 221 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:26,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:26,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1955450053, now seen corresponding path program 5 times [2021-03-26 07:57:26,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:26,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547078648] [2021-03-26 07:57:26,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:26,751 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:26,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:26,757 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:26,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:26,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:26,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:26,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:26,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:57:26,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:26,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:26,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:26,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:26,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:26,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:26,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:26,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:26,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:26,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:26,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:26,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:26,875 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:26,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:26,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:26,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547078648] [2021-03-26 07:57:26,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:26,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 07:57:26,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269626581] [2021-03-26 07:57:26,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 07:57:26,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:26,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 07:57:26,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 07:57:26,878 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 154 [2021-03-26 07:57:26,879 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 620 transitions, 14049 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:26,879 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:26,879 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 154 [2021-03-26 07:57:26,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:28,114 INFO L129 PetriNetUnfolder]: 834/1619 cut-off events. [2021-03-26 07:57:28,115 INFO L130 PetriNetUnfolder]: For 74460/74477 co-relation queries the response was YES. [2021-03-26 07:57:28,133 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21282 conditions, 1619 events. 834/1619 cut-off events. For 74460/74477 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 10236 event pairs, 166 based on Foata normal form. 10/1626 useless extension candidates. Maximal degree in co-relation 21100. Up to 1325 conditions per place. [2021-03-26 07:57:28,142 INFO L132 encePairwiseOnDemand]: 132/154 looper letters, 465 selfloop transitions, 179 changer transitions 2/654 dead transitions. [2021-03-26 07:57:28,143 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 654 transitions, 16140 flow [2021-03-26 07:57:28,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-26 07:57:28,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-26 07:57:28,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 696 transitions. [2021-03-26 07:57:28,144 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20543093270365997 [2021-03-26 07:57:28,144 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 696 transitions. [2021-03-26 07:57:28,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 696 transitions. [2021-03-26 07:57:28,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:28,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 696 transitions. [2021-03-26 07:57:28,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 31.636363636363637) internal successors, (696), 22 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:28,146 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 154.0) internal successors, (3542), 23 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:28,146 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 154.0) internal successors, (3542), 23 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:28,146 INFO L185 Difference]: Start difference. First operand has 386 places, 620 transitions, 14049 flow. Second operand 22 states and 696 transitions. [2021-03-26 07:57:28,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 654 transitions, 16140 flow [2021-03-26 07:57:28,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 654 transitions, 15595 flow, removed 122 selfloop flow, removed 10 redundant places. [2021-03-26 07:57:28,586 INFO L241 Difference]: Finished difference. Result has 406 places, 633 transitions, 14323 flow [2021-03-26 07:57:28,587 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=13508, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=620, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=166, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=447, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=14323, PETRI_PLACES=406, PETRI_TRANSITIONS=633} [2021-03-26 07:57:28,587 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 367 predicate places. [2021-03-26 07:57:28,587 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:28,587 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 406 places, 633 transitions, 14323 flow [2021-03-26 07:57:28,587 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 406 places, 633 transitions, 14323 flow [2021-03-26 07:57:28,593 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 406 places, 633 transitions, 14323 flow [2021-03-26 07:57:28,837 INFO L129 PetriNetUnfolder]: 587/1267 cut-off events. [2021-03-26 07:57:28,838 INFO L130 PetriNetUnfolder]: For 56483/56764 co-relation queries the response was YES. [2021-03-26 07:57:28,853 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16261 conditions, 1267 events. 587/1267 cut-off events. For 56483/56764 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 8588 event pairs, 13 based on Foata normal form. 26/1267 useless extension candidates. Maximal degree in co-relation 16079. Up to 408 conditions per place. [2021-03-26 07:57:28,870 INFO L142 LiptonReduction]: Number of co-enabled transitions 682 [2021-03-26 07:57:28,914 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:28,914 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:57:28,914 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 327 [2021-03-26 07:57:28,915 INFO L480 AbstractCegarLoop]: Abstraction has has 406 places, 633 transitions, 14323 flow [2021-03-26 07:57:28,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:28,915 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:28,915 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:28,915 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220 [2021-03-26 07:57:28,915 INFO L428 AbstractCegarLoop]: === Iteration 222 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:28,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:28,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1193966235, now seen corresponding path program 5 times [2021-03-26 07:57:28,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:28,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193403253] [2021-03-26 07:57:28,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:28,934 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:28,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:28,941 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:28,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:28,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:28,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:28,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:28,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:57:28,968 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:57:28,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:57:28,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:28,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:28,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:28,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:29,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:29,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:29,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:29,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:29,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:29,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:29,045 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:29,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:29,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:29,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193403253] [2021-03-26 07:57:29,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:29,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:57:29,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550552446] [2021-03-26 07:57:29,047 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:57:29,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:29,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:57:29,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:57:29,048 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 154 [2021-03-26 07:57:29,048 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 633 transitions, 14323 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:29,048 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:29,048 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 154 [2021-03-26 07:57:29,048 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:30,110 INFO L129 PetriNetUnfolder]: 840/1666 cut-off events. [2021-03-26 07:57:30,110 INFO L130 PetriNetUnfolder]: For 82360/82377 co-relation queries the response was YES. [2021-03-26 07:57:30,127 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22321 conditions, 1666 events. 840/1666 cut-off events. For 82360/82377 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 10764 event pairs, 163 based on Foata normal form. 10/1673 useless extension candidates. Maximal degree in co-relation 22134. Up to 1372 conditions per place. [2021-03-26 07:57:30,134 INFO L132 encePairwiseOnDemand]: 131/154 looper letters, 481 selfloop transitions, 177 changer transitions 8/674 dead transitions. [2021-03-26 07:57:30,134 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 674 transitions, 16764 flow [2021-03-26 07:57:30,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-26 07:57:30,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-26 07:57:30,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 750 transitions. [2021-03-26 07:57:30,136 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20292207792207792 [2021-03-26 07:57:30,136 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 750 transitions. [2021-03-26 07:57:30,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 750 transitions. [2021-03-26 07:57:30,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:30,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 750 transitions. [2021-03-26 07:57:30,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 31.25) internal successors, (750), 24 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:30,138 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 154.0) internal successors, (3850), 25 states have internal predecessors, (3850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:30,138 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 154.0) internal successors, (3850), 25 states have internal predecessors, (3850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:30,138 INFO L185 Difference]: Start difference. First operand has 406 places, 633 transitions, 14323 flow. Second operand 24 states and 750 transitions. [2021-03-26 07:57:30,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 674 transitions, 16764 flow [2021-03-26 07:57:30,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 418 places, 674 transitions, 16408 flow, removed 105 selfloop flow, removed 11 redundant places. [2021-03-26 07:57:30,540 INFO L241 Difference]: Finished difference. Result has 425 places, 652 transitions, 15020 flow [2021-03-26 07:57:30,540 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=13993, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=633, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=158, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=15020, PETRI_PLACES=425, PETRI_TRANSITIONS=652} [2021-03-26 07:57:30,540 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 386 predicate places. [2021-03-26 07:57:30,540 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:30,540 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 425 places, 652 transitions, 15020 flow [2021-03-26 07:57:30,540 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 425 places, 652 transitions, 15020 flow [2021-03-26 07:57:30,545 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 425 places, 652 transitions, 15020 flow [2021-03-26 07:57:30,747 INFO L129 PetriNetUnfolder]: 579/1278 cut-off events. [2021-03-26 07:57:30,748 INFO L130 PetriNetUnfolder]: For 63251/63517 co-relation queries the response was YES. [2021-03-26 07:57:30,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16732 conditions, 1278 events. 579/1278 cut-off events. For 63251/63517 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 8802 event pairs, 18 based on Foata normal form. 24/1273 useless extension candidates. Maximal degree in co-relation 16543. Up to 420 conditions per place. [2021-03-26 07:57:30,774 INFO L142 LiptonReduction]: Number of co-enabled transitions 696 [2021-03-26 07:57:30,903 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:30,903 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:57:30,903 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 363 [2021-03-26 07:57:30,904 INFO L480 AbstractCegarLoop]: Abstraction has has 424 places, 651 transitions, 15016 flow [2021-03-26 07:57:30,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:30,904 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:30,904 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:30,904 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable221 [2021-03-26 07:57:30,904 INFO L428 AbstractCegarLoop]: === Iteration 223 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:30,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:30,904 INFO L82 PathProgramCache]: Analyzing trace with hash -289859314, now seen corresponding path program 39 times [2021-03-26 07:57:30,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:30,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658533987] [2021-03-26 07:57:30,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:30,910 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:30,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:30,914 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:30,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:30,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:30,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:30,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:30,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:57:30,940 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:57:30,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:57:30,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:30,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:30,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:30,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:30,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:30,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:30,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:30,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:30,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:30,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:31,009 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:31,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:31,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:31,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658533987] [2021-03-26 07:57:31,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:31,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:57:31,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098804832] [2021-03-26 07:57:31,011 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:57:31,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:31,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:57:31,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:57:31,012 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 155 [2021-03-26 07:57:31,012 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 651 transitions, 15016 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:31,012 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:31,012 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 155 [2021-03-26 07:57:31,012 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:32,244 INFO L129 PetriNetUnfolder]: 839/1674 cut-off events. [2021-03-26 07:57:32,244 INFO L130 PetriNetUnfolder]: For 88687/88704 co-relation queries the response was YES. [2021-03-26 07:57:32,265 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22909 conditions, 1674 events. 839/1674 cut-off events. For 88687/88704 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 10938 event pairs, 150 based on Foata normal form. 13/1685 useless extension candidates. Maximal degree in co-relation 22715. Up to 1342 conditions per place. [2021-03-26 07:57:32,275 INFO L132 encePairwiseOnDemand]: 129/155 looper letters, 468 selfloop transitions, 194 changer transitions 17/687 dead transitions. [2021-03-26 07:57:32,275 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 687 transitions, 17353 flow [2021-03-26 07:57:32,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 07:57:32,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 07:57:32,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 632 transitions. [2021-03-26 07:57:32,276 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20387096774193547 [2021-03-26 07:57:32,276 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 632 transitions. [2021-03-26 07:57:32,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 632 transitions. [2021-03-26 07:57:32,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:32,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 632 transitions. [2021-03-26 07:57:32,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 31.6) internal successors, (632), 20 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:32,278 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 155.0) internal successors, (3255), 21 states have internal predecessors, (3255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:32,278 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 155.0) internal successors, (3255), 21 states have internal predecessors, (3255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:32,278 INFO L185 Difference]: Start difference. First operand has 424 places, 651 transitions, 15016 flow. Second operand 20 states and 632 transitions. [2021-03-26 07:57:32,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 687 transitions, 17353 flow [2021-03-26 07:57:32,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 430 places, 687 transitions, 16687 flow, removed 221 selfloop flow, removed 13 redundant places. [2021-03-26 07:57:32,807 INFO L241 Difference]: Finished difference. Result has 439 places, 662 transitions, 15427 flow [2021-03-26 07:57:32,808 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=14462, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=651, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=180, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=463, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=15427, PETRI_PLACES=439, PETRI_TRANSITIONS=662} [2021-03-26 07:57:32,808 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 400 predicate places. [2021-03-26 07:57:32,808 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:32,808 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 439 places, 662 transitions, 15427 flow [2021-03-26 07:57:32,808 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 439 places, 662 transitions, 15427 flow [2021-03-26 07:57:32,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 438 places, 662 transitions, 15427 flow [2021-03-26 07:57:33,019 INFO L129 PetriNetUnfolder]: 578/1282 cut-off events. [2021-03-26 07:57:33,019 INFO L130 PetriNetUnfolder]: For 63830/64052 co-relation queries the response was YES. [2021-03-26 07:57:33,034 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17079 conditions, 1282 events. 578/1282 cut-off events. For 63830/64052 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 8904 event pairs, 14 based on Foata normal form. 22/1278 useless extension candidates. Maximal degree in co-relation 16887. Up to 415 conditions per place. [2021-03-26 07:57:33,048 INFO L142 LiptonReduction]: Number of co-enabled transitions 700 [2021-03-26 07:57:33,185 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 07:57:33,186 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:57:33,186 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 378 [2021-03-26 07:57:33,186 INFO L480 AbstractCegarLoop]: Abstraction has has 438 places, 662 transitions, 15462 flow [2021-03-26 07:57:33,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:33,186 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:33,186 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:33,186 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable222 [2021-03-26 07:57:33,186 INFO L428 AbstractCegarLoop]: === Iteration 224 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:33,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:33,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1189489115, now seen corresponding path program 1 times [2021-03-26 07:57:33,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:33,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852550764] [2021-03-26 07:57:33,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:33,193 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:33,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:33,198 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:33,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:33,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:33,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:33,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:33,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:57:33,225 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:57:33,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:57:33,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:33,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:33,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:33,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:33,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:33,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:33,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:33,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:33,296 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:33,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:33,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:33,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852550764] [2021-03-26 07:57:33,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:33,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:57:33,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749631214] [2021-03-26 07:57:33,299 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:57:33,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:33,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:57:33,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:57:33,299 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 156 [2021-03-26 07:57:33,299 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 662 transitions, 15462 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:33,300 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:33,300 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 156 [2021-03-26 07:57:33,300 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:34,323 INFO L129 PetriNetUnfolder]: 834/1657 cut-off events. [2021-03-26 07:57:34,323 INFO L130 PetriNetUnfolder]: For 89583/89607 co-relation queries the response was YES. [2021-03-26 07:57:34,345 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23027 conditions, 1657 events. 834/1657 cut-off events. For 89583/89607 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 10728 event pairs, 158 based on Foata normal form. 18/1672 useless extension candidates. Maximal degree in co-relation 22829. Up to 1382 conditions per place. [2021-03-26 07:57:34,355 INFO L132 encePairwiseOnDemand]: 133/156 looper letters, 492 selfloop transitions, 167 changer transitions 6/673 dead transitions. [2021-03-26 07:57:34,355 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 673 transitions, 17065 flow [2021-03-26 07:57:34,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 07:57:34,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 07:57:34,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 606 transitions. [2021-03-26 07:57:34,356 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20445344129554655 [2021-03-26 07:57:34,356 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 606 transitions. [2021-03-26 07:57:34,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 606 transitions. [2021-03-26 07:57:34,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:34,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 606 transitions. [2021-03-26 07:57:34,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 31.894736842105264) internal successors, (606), 19 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:34,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 156.0) internal successors, (3120), 20 states have internal predecessors, (3120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:34,358 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 156.0) internal successors, (3120), 20 states have internal predecessors, (3120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:34,358 INFO L185 Difference]: Start difference. First operand has 438 places, 662 transitions, 15462 flow. Second operand 19 states and 606 transitions. [2021-03-26 07:57:34,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 673 transitions, 17065 flow [2021-03-26 07:57:34,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 673 transitions, 16424 flow, removed 174 selfloop flow, removed 13 redundant places. [2021-03-26 07:57:34,947 INFO L241 Difference]: Finished difference. Result has 446 places, 657 transitions, 15084 flow [2021-03-26 07:57:34,948 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=14841, PETRI_DIFFERENCE_MINUEND_PLACES=425, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=662, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=167, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=495, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=15084, PETRI_PLACES=446, PETRI_TRANSITIONS=657} [2021-03-26 07:57:34,948 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 407 predicate places. [2021-03-26 07:57:34,948 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:34,948 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 446 places, 657 transitions, 15084 flow [2021-03-26 07:57:34,948 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 446 places, 657 transitions, 15084 flow [2021-03-26 07:57:34,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 445 places, 657 transitions, 15084 flow [2021-03-26 07:57:35,221 INFO L129 PetriNetUnfolder]: 578/1270 cut-off events. [2021-03-26 07:57:35,221 INFO L130 PetriNetUnfolder]: For 61684/62005 co-relation queries the response was YES. [2021-03-26 07:57:35,237 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16798 conditions, 1270 events. 578/1270 cut-off events. For 61684/62005 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 8779 event pairs, 21 based on Foata normal form. 19/1259 useless extension candidates. Maximal degree in co-relation 16601. Up to 404 conditions per place. [2021-03-26 07:57:35,254 INFO L142 LiptonReduction]: Number of co-enabled transitions 690 [2021-03-26 07:57:35,301 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:35,302 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:57:35,302 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 354 [2021-03-26 07:57:35,302 INFO L480 AbstractCegarLoop]: Abstraction has has 445 places, 657 transitions, 15084 flow [2021-03-26 07:57:35,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:35,302 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:35,302 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:35,302 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable223 [2021-03-26 07:57:35,302 INFO L428 AbstractCegarLoop]: === Iteration 225 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:35,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:35,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1023467479, now seen corresponding path program 1 times [2021-03-26 07:57:35,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:35,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975834684] [2021-03-26 07:57:35,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:35,309 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:35,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:35,314 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:35,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:35,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:35,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:35,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:35,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:57:35,340 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 07:57:35,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 07:57:35,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:35,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:35,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:35,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:35,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:35,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:35,381 INFO L142 QuantifierPusher]: treesize reduction 32, result has 39.6 percent of original size [2021-03-26 07:57:35,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:35,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:35,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:35,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:35,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975834684] [2021-03-26 07:57:35,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:35,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:57:35,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994750180] [2021-03-26 07:57:35,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:57:35,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:35,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:57:35,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:57:35,401 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 156 [2021-03-26 07:57:35,401 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 657 transitions, 15084 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:35,401 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:35,401 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 156 [2021-03-26 07:57:35,401 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:36,384 INFO L129 PetriNetUnfolder]: 832/1643 cut-off events. [2021-03-26 07:57:36,385 INFO L130 PetriNetUnfolder]: For 85991/86008 co-relation queries the response was YES. [2021-03-26 07:57:36,403 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22713 conditions, 1643 events. 832/1643 cut-off events. For 85991/86008 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 10583 event pairs, 128 based on Foata normal form. 12/1653 useless extension candidates. Maximal degree in co-relation 22511. Up to 1337 conditions per place. [2021-03-26 07:57:36,411 INFO L132 encePairwiseOnDemand]: 132/156 looper letters, 470 selfloop transitions, 187 changer transitions 1/666 dead transitions. [2021-03-26 07:57:36,411 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 666 transitions, 16558 flow [2021-03-26 07:57:36,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:57:36,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:57:36,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 517 transitions. [2021-03-26 07:57:36,413 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20713141025641027 [2021-03-26 07:57:36,413 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 517 transitions. [2021-03-26 07:57:36,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 517 transitions. [2021-03-26 07:57:36,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:36,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 517 transitions. [2021-03-26 07:57:36,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.3125) internal successors, (517), 16 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:36,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 156.0) internal successors, (2652), 17 states have internal predecessors, (2652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:36,414 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 156.0) internal successors, (2652), 17 states have internal predecessors, (2652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:36,414 INFO L185 Difference]: Start difference. First operand has 445 places, 657 transitions, 15084 flow. Second operand 16 states and 517 transitions. [2021-03-26 07:57:36,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 666 transitions, 16558 flow [2021-03-26 07:57:36,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 666 transitions, 16151 flow, removed 12 selfloop flow, removed 23 redundant places. [2021-03-26 07:57:36,862 INFO L241 Difference]: Finished difference. Result has 439 places, 657 transitions, 15151 flow [2021-03-26 07:57:36,862 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=14677, PETRI_DIFFERENCE_MINUEND_PLACES=422, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=657, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=186, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=470, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=15151, PETRI_PLACES=439, PETRI_TRANSITIONS=657} [2021-03-26 07:57:36,862 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 400 predicate places. [2021-03-26 07:57:36,863 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:36,863 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 439 places, 657 transitions, 15151 flow [2021-03-26 07:57:36,863 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 439 places, 657 transitions, 15151 flow [2021-03-26 07:57:36,868 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 439 places, 657 transitions, 15151 flow [2021-03-26 07:57:37,163 INFO L129 PetriNetUnfolder]: 572/1274 cut-off events. [2021-03-26 07:57:37,163 INFO L130 PetriNetUnfolder]: For 57889/58133 co-relation queries the response was YES. [2021-03-26 07:57:37,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16727 conditions, 1274 events. 572/1274 cut-off events. For 57889/58133 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 8827 event pairs, 13 based on Foata normal form. 22/1270 useless extension candidates. Maximal degree in co-relation 16533. Up to 396 conditions per place. [2021-03-26 07:57:37,203 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 07:57:37,269 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:37,269 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:57:37,269 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 407 [2021-03-26 07:57:37,270 INFO L480 AbstractCegarLoop]: Abstraction has has 439 places, 657 transitions, 15151 flow [2021-03-26 07:57:37,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:37,270 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:37,270 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:37,270 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable224 [2021-03-26 07:57:37,270 INFO L428 AbstractCegarLoop]: === Iteration 226 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:37,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:37,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1785038433, now seen corresponding path program 3 times [2021-03-26 07:57:37,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:37,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125096121] [2021-03-26 07:57:37,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:37,278 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:37,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:37,284 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:37,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:37,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:37,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:37,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:37,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:57:37,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:37,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:37,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:37,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:37,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:37,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:37,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:37,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:37,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:37,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:37,389 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:57:37,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:37,393 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:37,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:37,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:37,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125096121] [2021-03-26 07:57:37,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:37,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:57:37,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075562383] [2021-03-26 07:57:37,396 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:57:37,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:37,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:57:37,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:57:37,397 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 156 [2021-03-26 07:57:37,397 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 657 transitions, 15151 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:37,397 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:37,397 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 156 [2021-03-26 07:57:37,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:38,441 INFO L129 PetriNetUnfolder]: 839/1664 cut-off events. [2021-03-26 07:57:38,441 INFO L130 PetriNetUnfolder]: For 89932/89936 co-relation queries the response was YES. [2021-03-26 07:57:38,463 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23185 conditions, 1664 events. 839/1664 cut-off events. For 89932/89936 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 10696 event pairs, 117 based on Foata normal form. 5/1666 useless extension candidates. Maximal degree in co-relation 22972. Up to 1314 conditions per place. [2021-03-26 07:57:38,473 INFO L132 encePairwiseOnDemand]: 134/156 looper letters, 480 selfloop transitions, 198 changer transitions 4/690 dead transitions. [2021-03-26 07:57:38,473 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 690 transitions, 17542 flow [2021-03-26 07:57:38,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 07:57:38,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 07:57:38,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 541 transitions. [2021-03-26 07:57:38,475 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2039969834087481 [2021-03-26 07:57:38,475 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 541 transitions. [2021-03-26 07:57:38,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 541 transitions. [2021-03-26 07:57:38,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:38,475 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 541 transitions. [2021-03-26 07:57:38,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 31.823529411764707) internal successors, (541), 17 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:38,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 156.0) internal successors, (2808), 18 states have internal predecessors, (2808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:38,476 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 156.0) internal successors, (2808), 18 states have internal predecessors, (2808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:38,476 INFO L185 Difference]: Start difference. First operand has 439 places, 657 transitions, 15151 flow. Second operand 17 states and 541 transitions. [2021-03-26 07:57:38,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 690 transitions, 17542 flow [2021-03-26 07:57:39,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 690 transitions, 17187 flow, removed 1 selfloop flow, removed 13 redundant places. [2021-03-26 07:57:39,088 INFO L241 Difference]: Finished difference. Result has 446 places, 671 transitions, 15712 flow [2021-03-26 07:57:39,089 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=14796, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=657, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=188, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=15712, PETRI_PLACES=446, PETRI_TRANSITIONS=671} [2021-03-26 07:57:39,089 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 407 predicate places. [2021-03-26 07:57:39,089 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:39,089 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 446 places, 671 transitions, 15712 flow [2021-03-26 07:57:39,089 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 446 places, 671 transitions, 15712 flow [2021-03-26 07:57:39,096 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 445 places, 671 transitions, 15712 flow [2021-03-26 07:57:39,360 INFO L129 PetriNetUnfolder]: 572/1278 cut-off events. [2021-03-26 07:57:39,360 INFO L130 PetriNetUnfolder]: For 64718/64926 co-relation queries the response was YES. [2021-03-26 07:57:39,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17092 conditions, 1278 events. 572/1278 cut-off events. For 64718/64926 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 8866 event pairs, 20 based on Foata normal form. 23/1278 useless extension candidates. Maximal degree in co-relation 16880. Up to 404 conditions per place. [2021-03-26 07:57:39,394 INFO L142 LiptonReduction]: Number of co-enabled transitions 690 [2021-03-26 07:57:39,443 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:39,443 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:57:39,443 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 354 [2021-03-26 07:57:39,443 INFO L480 AbstractCegarLoop]: Abstraction has has 445 places, 671 transitions, 15712 flow [2021-03-26 07:57:39,443 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:39,443 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:39,443 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:39,443 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225 [2021-03-26 07:57:39,443 INFO L428 AbstractCegarLoop]: === Iteration 227 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:39,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:39,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1513355024, now seen corresponding path program 1 times [2021-03-26 07:57:39,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:39,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771297273] [2021-03-26 07:57:39,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:39,451 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:39,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:39,457 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:39,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:39,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:39,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:39,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:39,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:39,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:39,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:39,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:39,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:39,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:39,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:39,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:39,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:39,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:39,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:39,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:39,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:39,580 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:39,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:39,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:39,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771297273] [2021-03-26 07:57:39,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:39,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:57:39,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129540998] [2021-03-26 07:57:39,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:57:39,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:39,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:57:39,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:57:39,584 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 156 [2021-03-26 07:57:39,584 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 671 transitions, 15712 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:39,584 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:39,584 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 156 [2021-03-26 07:57:39,584 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:40,539 INFO L129 PetriNetUnfolder]: 841/1670 cut-off events. [2021-03-26 07:57:40,539 INFO L130 PetriNetUnfolder]: For 98371/98403 co-relation queries the response was YES. [2021-03-26 07:57:40,559 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23715 conditions, 1670 events. 841/1670 cut-off events. For 98371/98403 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 10860 event pairs, 95 based on Foata normal form. 11/1677 useless extension candidates. Maximal degree in co-relation 23496. Up to 1439 conditions per place. [2021-03-26 07:57:40,568 INFO L132 encePairwiseOnDemand]: 137/156 looper letters, 570 selfloop transitions, 123 changer transitions 5/706 dead transitions. [2021-03-26 07:57:40,568 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 706 transitions, 17891 flow [2021-03-26 07:57:40,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:57:40,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:57:40,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 494 transitions. [2021-03-26 07:57:40,569 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19791666666666666 [2021-03-26 07:57:40,569 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 494 transitions. [2021-03-26 07:57:40,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 494 transitions. [2021-03-26 07:57:40,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:40,569 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 494 transitions. [2021-03-26 07:57:40,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 30.875) internal successors, (494), 16 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:40,570 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 156.0) internal successors, (2652), 17 states have internal predecessors, (2652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:40,571 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 156.0) internal successors, (2652), 17 states have internal predecessors, (2652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:40,571 INFO L185 Difference]: Start difference. First operand has 445 places, 671 transitions, 15712 flow. Second operand 16 states and 494 transitions. [2021-03-26 07:57:40,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 706 transitions, 17891 flow [2021-03-26 07:57:41,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 706 transitions, 17643 flow, removed 109 selfloop flow, removed 4 redundant places. [2021-03-26 07:57:41,051 INFO L241 Difference]: Finished difference. Result has 463 places, 695 transitions, 16241 flow [2021-03-26 07:57:41,052 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=15475, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=671, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=101, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=563, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=16241, PETRI_PLACES=463, PETRI_TRANSITIONS=695} [2021-03-26 07:57:41,052 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 424 predicate places. [2021-03-26 07:57:41,052 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:41,052 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 463 places, 695 transitions, 16241 flow [2021-03-26 07:57:41,052 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 463 places, 695 transitions, 16241 flow [2021-03-26 07:57:41,057 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 459 places, 695 transitions, 16241 flow [2021-03-26 07:57:41,340 INFO L129 PetriNetUnfolder]: 634/1372 cut-off events. [2021-03-26 07:57:41,340 INFO L130 PetriNetUnfolder]: For 81092/81302 co-relation queries the response was YES. [2021-03-26 07:57:41,359 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18826 conditions, 1372 events. 634/1372 cut-off events. For 81092/81302 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 9477 event pairs, 44 based on Foata normal form. 49/1399 useless extension candidates. Maximal degree in co-relation 18637. Up to 424 conditions per place. [2021-03-26 07:57:41,377 INFO L142 LiptonReduction]: Number of co-enabled transitions 670 [2021-03-26 07:57:41,530 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:41,530 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:57:41,530 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 478 [2021-03-26 07:57:41,531 INFO L480 AbstractCegarLoop]: Abstraction has has 459 places, 695 transitions, 16271 flow [2021-03-26 07:57:41,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:41,531 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:41,531 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:41,531 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable226 [2021-03-26 07:57:41,531 INFO L428 AbstractCegarLoop]: === Iteration 228 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:41,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:41,531 INFO L82 PathProgramCache]: Analyzing trace with hash 183343060, now seen corresponding path program 40 times [2021-03-26 07:57:41,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:41,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026915878] [2021-03-26 07:57:41,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:41,538 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:41,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:41,542 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:41,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:41,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:41,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:57:41,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:41,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:57:41,568 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 07:57:41,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 07:57:41,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:41,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:41,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:41,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:41,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:41,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:41,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:41,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:41,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:41,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:41,659 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:41,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:41,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:41,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026915878] [2021-03-26 07:57:41,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:41,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:57:41,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164320693] [2021-03-26 07:57:41,662 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:57:41,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:41,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:57:41,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:57:41,662 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 157 [2021-03-26 07:57:41,662 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 695 transitions, 16271 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:41,662 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:41,662 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 157 [2021-03-26 07:57:41,662 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:42,649 INFO L129 PetriNetUnfolder]: 841/1687 cut-off events. [2021-03-26 07:57:42,649 INFO L130 PetriNetUnfolder]: For 101839/101864 co-relation queries the response was YES. [2021-03-26 07:57:42,669 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24276 conditions, 1687 events. 841/1687 cut-off events. For 101839/101864 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 11060 event pairs, 113 based on Foata normal form. 17/1702 useless extension candidates. Maximal degree in co-relation 24081. Up to 1365 conditions per place. [2021-03-26 07:57:42,677 INFO L132 encePairwiseOnDemand]: 132/157 looper letters, 502 selfloop transitions, 199 changer transitions 9/718 dead transitions. [2021-03-26 07:57:42,677 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 474 places, 718 transitions, 18266 flow [2021-03-26 07:57:42,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:57:42,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:57:42,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 516 transitions. [2021-03-26 07:57:42,678 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2054140127388535 [2021-03-26 07:57:42,679 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 516 transitions. [2021-03-26 07:57:42,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 516 transitions. [2021-03-26 07:57:42,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:42,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 516 transitions. [2021-03-26 07:57:42,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.25) internal successors, (516), 16 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:42,680 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 157.0) internal successors, (2669), 17 states have internal predecessors, (2669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:42,680 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 157.0) internal successors, (2669), 17 states have internal predecessors, (2669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:42,680 INFO L185 Difference]: Start difference. First operand has 459 places, 695 transitions, 16271 flow. Second operand 16 states and 516 transitions. [2021-03-26 07:57:42,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 474 places, 718 transitions, 18266 flow [2021-03-26 07:57:43,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 468 places, 718 transitions, 18092 flow, removed 69 selfloop flow, removed 6 redundant places. [2021-03-26 07:57:43,198 INFO L241 Difference]: Finished difference. Result has 472 places, 701 transitions, 16839 flow [2021-03-26 07:57:43,198 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=16105, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=695, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=191, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=500, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=16839, PETRI_PLACES=472, PETRI_TRANSITIONS=701} [2021-03-26 07:57:43,198 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 433 predicate places. [2021-03-26 07:57:43,198 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:43,198 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 472 places, 701 transitions, 16839 flow [2021-03-26 07:57:43,199 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 472 places, 701 transitions, 16839 flow [2021-03-26 07:57:43,204 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 471 places, 701 transitions, 16839 flow [2021-03-26 07:57:43,432 INFO L129 PetriNetUnfolder]: 639/1379 cut-off events. [2021-03-26 07:57:43,433 INFO L130 PetriNetUnfolder]: For 81445/81593 co-relation queries the response was YES. [2021-03-26 07:57:43,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19332 conditions, 1379 events. 639/1379 cut-off events. For 81445/81593 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 9576 event pairs, 37 based on Foata normal form. 30/1385 useless extension candidates. Maximal degree in co-relation 19144. Up to 439 conditions per place. [2021-03-26 07:57:43,465 INFO L142 LiptonReduction]: Number of co-enabled transitions 670 [2021-03-26 07:57:43,513 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:43,513 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:57:43,513 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 315 [2021-03-26 07:57:43,514 INFO L480 AbstractCegarLoop]: Abstraction has has 471 places, 701 transitions, 16839 flow [2021-03-26 07:57:43,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:43,514 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:43,514 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:43,514 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable227 [2021-03-26 07:57:43,514 INFO L428 AbstractCegarLoop]: === Iteration 229 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:43,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:43,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1813935781, now seen corresponding path program 1 times [2021-03-26 07:57:43,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:43,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051445693] [2021-03-26 07:57:43,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:43,520 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:43,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:43,525 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:43,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:43,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:43,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:43,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:43,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:43,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:43,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:43,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:43,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:43,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:43,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:43,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:43,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:43,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:43,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:43,617 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:43,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:43,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:43,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051445693] [2021-03-26 07:57:43,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:43,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:57:43,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942274860] [2021-03-26 07:57:43,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:57:43,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:43,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:57:43,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:57:43,620 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 157 [2021-03-26 07:57:43,620 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 701 transitions, 16839 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:43,620 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:43,620 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 157 [2021-03-26 07:57:43,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:44,607 INFO L129 PetriNetUnfolder]: 841/1675 cut-off events. [2021-03-26 07:57:44,607 INFO L130 PetriNetUnfolder]: For 105567/105590 co-relation queries the response was YES. [2021-03-26 07:57:44,631 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24582 conditions, 1675 events. 841/1675 cut-off events. For 105567/105590 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 10953 event pairs, 136 based on Foata normal form. 12/1684 useless extension candidates. Maximal degree in co-relation 24386. Up to 1468 conditions per place. [2021-03-26 07:57:44,639 INFO L132 encePairwiseOnDemand]: 137/157 looper letters, 591 selfloop transitions, 106 changer transitions 7/712 dead transitions. [2021-03-26 07:57:44,640 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 712 transitions, 18653 flow [2021-03-26 07:57:44,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:57:44,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:57:44,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 487 transitions. [2021-03-26 07:57:44,641 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19386942675159236 [2021-03-26 07:57:44,641 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 487 transitions. [2021-03-26 07:57:44,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 487 transitions. [2021-03-26 07:57:44,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:44,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 487 transitions. [2021-03-26 07:57:44,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 30.4375) internal successors, (487), 16 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:44,643 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 157.0) internal successors, (2669), 17 states have internal predecessors, (2669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:44,643 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 157.0) internal successors, (2669), 17 states have internal predecessors, (2669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:44,643 INFO L185 Difference]: Start difference. First operand has 471 places, 701 transitions, 16839 flow. Second operand 16 states and 487 transitions. [2021-03-26 07:57:44,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 712 transitions, 18653 flow [2021-03-26 07:57:45,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 712 transitions, 18216 flow, removed 73 selfloop flow, removed 11 redundant places. [2021-03-26 07:57:45,225 INFO L241 Difference]: Finished difference. Result has 481 places, 702 transitions, 16691 flow [2021-03-26 07:57:45,225 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=16406, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=701, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=595, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=16691, PETRI_PLACES=481, PETRI_TRANSITIONS=702} [2021-03-26 07:57:45,225 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 442 predicate places. [2021-03-26 07:57:45,225 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:45,226 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 481 places, 702 transitions, 16691 flow [2021-03-26 07:57:45,226 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 481 places, 702 transitions, 16691 flow [2021-03-26 07:57:45,231 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 477 places, 702 transitions, 16691 flow [2021-03-26 07:57:45,534 INFO L129 PetriNetUnfolder]: 632/1371 cut-off events. [2021-03-26 07:57:45,534 INFO L130 PetriNetUnfolder]: For 86554/86795 co-relation queries the response was YES. [2021-03-26 07:57:45,548 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19316 conditions, 1371 events. 632/1371 cut-off events. For 86554/86795 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 9485 event pairs, 38 based on Foata normal form. 63/1415 useless extension candidates. Maximal degree in co-relation 19123. Up to 426 conditions per place. [2021-03-26 07:57:45,564 INFO L142 LiptonReduction]: Number of co-enabled transitions 670 [2021-03-26 07:57:45,613 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:45,613 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:57:45,613 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 388 [2021-03-26 07:57:45,614 INFO L480 AbstractCegarLoop]: Abstraction has has 477 places, 702 transitions, 16691 flow [2021-03-26 07:57:45,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:45,614 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:45,614 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:45,614 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable228 [2021-03-26 07:57:45,614 INFO L428 AbstractCegarLoop]: === Iteration 230 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:45,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:45,614 INFO L82 PathProgramCache]: Analyzing trace with hash -2109380290, now seen corresponding path program 1 times [2021-03-26 07:57:45,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:45,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717105500] [2021-03-26 07:57:45,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:45,620 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:45,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:45,625 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:45,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:45,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:45,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:45,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:45,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:45,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:45,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:45,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:45,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:45,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:45,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:45,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:45,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:45,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:45,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:45,704 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:45,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:45,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:45,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717105500] [2021-03-26 07:57:45,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:45,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:57:45,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551707317] [2021-03-26 07:57:45,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:57:45,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:45,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:57:45,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:57:45,707 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 157 [2021-03-26 07:57:45,707 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 477 places, 702 transitions, 16691 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:45,707 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:45,707 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 157 [2021-03-26 07:57:45,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:46,628 INFO L129 PetriNetUnfolder]: 840/1677 cut-off events. [2021-03-26 07:57:46,629 INFO L130 PetriNetUnfolder]: For 109861/109872 co-relation queries the response was YES. [2021-03-26 07:57:46,653 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24723 conditions, 1677 events. 840/1677 cut-off events. For 109861/109872 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 10965 event pairs, 130 based on Foata normal form. 12/1686 useless extension candidates. Maximal degree in co-relation 24522. Up to 1458 conditions per place. [2021-03-26 07:57:46,662 INFO L132 encePairwiseOnDemand]: 137/157 looper letters, 595 selfloop transitions, 108 changer transitions 5/716 dead transitions. [2021-03-26 07:57:46,662 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 716 transitions, 18727 flow [2021-03-26 07:57:46,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:57:46,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:57:46,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 413 transitions. [2021-03-26 07:57:46,663 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2023517883390495 [2021-03-26 07:57:46,663 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 413 transitions. [2021-03-26 07:57:46,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 413 transitions. [2021-03-26 07:57:46,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:46,663 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 413 transitions. [2021-03-26 07:57:46,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.76923076923077) internal successors, (413), 13 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:46,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 157.0) internal successors, (2198), 14 states have internal predecessors, (2198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:46,665 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 157.0) internal successors, (2198), 14 states have internal predecessors, (2198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:46,665 INFO L185 Difference]: Start difference. First operand has 477 places, 702 transitions, 16691 flow. Second operand 13 states and 413 transitions. [2021-03-26 07:57:46,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 716 transitions, 18727 flow [2021-03-26 07:57:47,335 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 476 places, 716 transitions, 18401 flow, removed 57 selfloop flow, removed 13 redundant places. [2021-03-26 07:57:47,348 INFO L241 Difference]: Finished difference. Result has 483 places, 706 transitions, 16821 flow [2021-03-26 07:57:47,349 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=16387, PETRI_DIFFERENCE_MINUEND_PLACES=464, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=702, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=595, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=16821, PETRI_PLACES=483, PETRI_TRANSITIONS=706} [2021-03-26 07:57:47,349 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 444 predicate places. [2021-03-26 07:57:47,349 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:47,349 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 483 places, 706 transitions, 16821 flow [2021-03-26 07:57:47,349 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 483 places, 706 transitions, 16821 flow [2021-03-26 07:57:47,356 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 479 places, 706 transitions, 16821 flow [2021-03-26 07:57:47,689 INFO L129 PetriNetUnfolder]: 624/1358 cut-off events. [2021-03-26 07:57:47,690 INFO L130 PetriNetUnfolder]: For 90163/90476 co-relation queries the response was YES. [2021-03-26 07:57:47,715 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19422 conditions, 1358 events. 624/1358 cut-off events. For 90163/90476 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 9409 event pairs, 37 based on Foata normal form. 38/1370 useless extension candidates. Maximal degree in co-relation 19228. Up to 424 conditions per place. [2021-03-26 07:57:47,739 INFO L142 LiptonReduction]: Number of co-enabled transitions 668 [2021-03-26 07:57:47,942 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:47,942 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:57:47,942 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 593 [2021-03-26 07:57:47,943 INFO L480 AbstractCegarLoop]: Abstraction has has 479 places, 706 transitions, 16870 flow [2021-03-26 07:57:47,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:47,943 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:47,943 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:47,943 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable229 [2021-03-26 07:57:47,943 INFO L428 AbstractCegarLoop]: === Iteration 231 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:47,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:47,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1432400668, now seen corresponding path program 2 times [2021-03-26 07:57:47,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:47,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470334197] [2021-03-26 07:57:47,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:47,951 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:47,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:47,957 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:47,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:47,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:47,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:47,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:47,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:47,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:47,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:48,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:48,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:48,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:48,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:48,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:48,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:48,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:48,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:48,072 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:48,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:48,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:48,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470334197] [2021-03-26 07:57:48,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:48,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:57:48,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977014339] [2021-03-26 07:57:48,076 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:57:48,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:48,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:57:48,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:57:48,077 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 158 [2021-03-26 07:57:48,077 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 479 places, 706 transitions, 16870 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:48,077 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:48,077 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 158 [2021-03-26 07:57:48,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:49,240 INFO L129 PetriNetUnfolder]: 845/1685 cut-off events. [2021-03-26 07:57:49,240 INFO L130 PetriNetUnfolder]: For 117245/117268 co-relation queries the response was YES. [2021-03-26 07:57:49,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25163 conditions, 1685 events. 845/1685 cut-off events. For 117245/117268 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 11075 event pairs, 134 based on Foata normal form. 12/1694 useless extension candidates. Maximal degree in co-relation 24961. Up to 1462 conditions per place. [2021-03-26 07:57:49,269 INFO L132 encePairwiseOnDemand]: 137/158 looper letters, 595 selfloop transitions, 114 changer transitions 5/722 dead transitions. [2021-03-26 07:57:49,270 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 493 places, 722 transitions, 19003 flow [2021-03-26 07:57:49,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:57:49,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:57:49,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 470 transitions. [2021-03-26 07:57:49,274 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19831223628691982 [2021-03-26 07:57:49,274 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 470 transitions. [2021-03-26 07:57:49,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 470 transitions. [2021-03-26 07:57:49,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:49,275 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 470 transitions. [2021-03-26 07:57:49,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.333333333333332) internal successors, (470), 15 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:49,276 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 158.0) internal successors, (2528), 16 states have internal predecessors, (2528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:49,276 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 158.0) internal successors, (2528), 16 states have internal predecessors, (2528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:49,276 INFO L185 Difference]: Start difference. First operand has 479 places, 706 transitions, 16870 flow. Second operand 15 states and 470 transitions. [2021-03-26 07:57:49,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 493 places, 722 transitions, 19003 flow [2021-03-26 07:57:50,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 484 places, 722 transitions, 18676 flow, removed 83 selfloop flow, removed 9 redundant places. [2021-03-26 07:57:50,062 INFO L241 Difference]: Finished difference. Result has 490 places, 712 transitions, 17054 flow [2021-03-26 07:57:50,062 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=16573, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=706, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=595, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=17054, PETRI_PLACES=490, PETRI_TRANSITIONS=712} [2021-03-26 07:57:50,062 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 451 predicate places. [2021-03-26 07:57:50,063 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:50,063 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 490 places, 712 transitions, 17054 flow [2021-03-26 07:57:50,063 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 490 places, 712 transitions, 17054 flow [2021-03-26 07:57:50,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 486 places, 712 transitions, 17054 flow [2021-03-26 07:57:50,315 INFO L129 PetriNetUnfolder]: 639/1378 cut-off events. [2021-03-26 07:57:50,315 INFO L130 PetriNetUnfolder]: For 94449/94667 co-relation queries the response was YES. [2021-03-26 07:57:50,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19882 conditions, 1378 events. 639/1378 cut-off events. For 94449/94667 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 9567 event pairs, 43 based on Foata normal form. 31/1387 useless extension candidates. Maximal degree in co-relation 19686. Up to 438 conditions per place. [2021-03-26 07:57:50,349 INFO L142 LiptonReduction]: Number of co-enabled transitions 668 [2021-03-26 07:57:50,401 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:50,401 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:57:50,401 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 338 [2021-03-26 07:57:50,401 INFO L480 AbstractCegarLoop]: Abstraction has has 486 places, 712 transitions, 17054 flow [2021-03-26 07:57:50,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:50,402 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:50,402 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:50,402 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable230 [2021-03-26 07:57:50,402 INFO L428 AbstractCegarLoop]: === Iteration 232 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:50,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:50,402 INFO L82 PathProgramCache]: Analyzing trace with hash 18027087, now seen corresponding path program 1 times [2021-03-26 07:57:50,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:50,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282087535] [2021-03-26 07:57:50,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:50,408 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:50,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:50,413 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:50,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:50,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:50,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:50,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:50,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:50,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:50,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:50,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:50,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:50,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:50,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:50,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:50,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:50,476 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:50,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:50,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:50,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282087535] [2021-03-26 07:57:50,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:50,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 07:57:50,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186538271] [2021-03-26 07:57:50,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 07:57:50,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:50,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 07:57:50,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 07:57:50,479 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 158 [2021-03-26 07:57:50,479 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 486 places, 712 transitions, 17054 flow. Second operand has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:50,480 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:50,480 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 158 [2021-03-26 07:57:50,480 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:51,303 INFO L129 PetriNetUnfolder]: 843/1682 cut-off events. [2021-03-26 07:57:51,303 INFO L130 PetriNetUnfolder]: For 120829/120852 co-relation queries the response was YES. [2021-03-26 07:57:51,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25322 conditions, 1682 events. 843/1682 cut-off events. For 120829/120852 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 11036 event pairs, 130 based on Foata normal form. 12/1691 useless extension candidates. Maximal degree in co-relation 25118. Up to 1428 conditions per place. [2021-03-26 07:57:51,334 INFO L132 encePairwiseOnDemand]: 135/158 looper letters, 568 selfloop transitions, 141 changer transitions 5/722 dead transitions. [2021-03-26 07:57:51,334 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 495 places, 722 transitions, 18877 flow [2021-03-26 07:57:51,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 07:57:51,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 07:57:51,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 334 transitions. [2021-03-26 07:57:51,335 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21139240506329113 [2021-03-26 07:57:51,336 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 334 transitions. [2021-03-26 07:57:51,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 334 transitions. [2021-03-26 07:57:51,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:51,336 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 334 transitions. [2021-03-26 07:57:51,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 33.4) internal successors, (334), 10 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:51,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 158.0) internal successors, (1738), 11 states have internal predecessors, (1738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:51,337 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 158.0) internal successors, (1738), 11 states have internal predecessors, (1738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:51,337 INFO L185 Difference]: Start difference. First operand has 486 places, 712 transitions, 17054 flow. Second operand 10 states and 334 transitions. [2021-03-26 07:57:51,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 495 places, 722 transitions, 18877 flow [2021-03-26 07:57:51,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 484 places, 722 transitions, 18460 flow, removed 111 selfloop flow, removed 11 redundant places. [2021-03-26 07:57:51,921 INFO L241 Difference]: Finished difference. Result has 487 places, 709 transitions, 16930 flow [2021-03-26 07:57:51,921 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=16641, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=712, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=141, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=571, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=16930, PETRI_PLACES=487, PETRI_TRANSITIONS=709} [2021-03-26 07:57:51,921 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 448 predicate places. [2021-03-26 07:57:51,921 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:51,921 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 487 places, 709 transitions, 16930 flow [2021-03-26 07:57:51,922 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 487 places, 709 transitions, 16930 flow [2021-03-26 07:57:51,927 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 484 places, 709 transitions, 16930 flow [2021-03-26 07:57:52,164 INFO L129 PetriNetUnfolder]: 631/1364 cut-off events. [2021-03-26 07:57:52,164 INFO L130 PetriNetUnfolder]: For 94798/95073 co-relation queries the response was YES. [2021-03-26 07:57:52,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19763 conditions, 1364 events. 631/1364 cut-off events. For 94798/95073 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 9440 event pairs, 40 based on Foata normal form. 49/1390 useless extension candidates. Maximal degree in co-relation 19568. Up to 423 conditions per place. [2021-03-26 07:57:52,197 INFO L142 LiptonReduction]: Number of co-enabled transitions 668 [2021-03-26 07:57:52,249 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:52,250 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:57:52,250 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 329 [2021-03-26 07:57:52,250 INFO L480 AbstractCegarLoop]: Abstraction has has 484 places, 709 transitions, 16930 flow [2021-03-26 07:57:52,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:52,250 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:52,250 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:52,250 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable231 [2021-03-26 07:57:52,250 INFO L428 AbstractCegarLoop]: === Iteration 233 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:52,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:52,250 INFO L82 PathProgramCache]: Analyzing trace with hash -525480915, now seen corresponding path program 1 times [2021-03-26 07:57:52,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:52,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741112287] [2021-03-26 07:57:52,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:52,256 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:52,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:52,262 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:52,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:52,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:52,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:52,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:52,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:52,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:52,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:52,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:52,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:52,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:52,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:52,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:52,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:52,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:52,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:52,357 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:52,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:52,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:52,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741112287] [2021-03-26 07:57:52,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:52,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:57:52,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693204152] [2021-03-26 07:57:52,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:57:52,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:52,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:57:52,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:57:52,360 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 158 [2021-03-26 07:57:52,360 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 484 places, 709 transitions, 16930 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:52,360 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:52,360 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 158 [2021-03-26 07:57:52,360 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:53,278 INFO L129 PetriNetUnfolder]: 850/1689 cut-off events. [2021-03-26 07:57:53,278 INFO L130 PetriNetUnfolder]: For 122158/122162 co-relation queries the response was YES. [2021-03-26 07:57:53,298 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25541 conditions, 1689 events. 850/1689 cut-off events. For 122158/122162 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 10994 event pairs, 138 based on Foata normal form. 5/1691 useless extension candidates. Maximal degree in co-relation 25338. Up to 1488 conditions per place. [2021-03-26 07:57:53,307 INFO L132 encePairwiseOnDemand]: 138/158 looper letters, 602 selfloop transitions, 111 changer transitions 5/726 dead transitions. [2021-03-26 07:57:53,307 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 499 places, 726 transitions, 18969 flow [2021-03-26 07:57:53,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:57:53,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:57:53,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 489 transitions. [2021-03-26 07:57:53,308 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19343354430379747 [2021-03-26 07:57:53,308 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 489 transitions. [2021-03-26 07:57:53,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 489 transitions. [2021-03-26 07:57:53,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:53,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 489 transitions. [2021-03-26 07:57:53,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 30.5625) internal successors, (489), 16 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:53,310 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 158.0) internal successors, (2686), 17 states have internal predecessors, (2686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:53,310 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 158.0) internal successors, (2686), 17 states have internal predecessors, (2686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:53,310 INFO L185 Difference]: Start difference. First operand has 484 places, 709 transitions, 16930 flow. Second operand 16 states and 489 transitions. [2021-03-26 07:57:53,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 499 places, 726 transitions, 18969 flow [2021-03-26 07:57:53,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 726 transitions, 18574 flow, removed 10 selfloop flow, removed 12 redundant places. [2021-03-26 07:57:53,962 INFO L241 Difference]: Finished difference. Result has 495 places, 718 transitions, 17051 flow [2021-03-26 07:57:53,962 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=16555, PETRI_DIFFERENCE_MINUEND_PLACES=472, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=709, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=102, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=598, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=17051, PETRI_PLACES=495, PETRI_TRANSITIONS=718} [2021-03-26 07:57:53,962 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 456 predicate places. [2021-03-26 07:57:53,962 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:53,962 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 495 places, 718 transitions, 17051 flow [2021-03-26 07:57:53,962 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 495 places, 718 transitions, 17051 flow [2021-03-26 07:57:53,968 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 491 places, 718 transitions, 17051 flow [2021-03-26 07:57:54,205 INFO L129 PetriNetUnfolder]: 636/1390 cut-off events. [2021-03-26 07:57:54,205 INFO L130 PetriNetUnfolder]: For 96213/96421 co-relation queries the response was YES. [2021-03-26 07:57:54,224 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19997 conditions, 1390 events. 636/1390 cut-off events. For 96213/96421 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 9670 event pairs, 36 based on Foata normal form. 18/1389 useless extension candidates. Maximal degree in co-relation 19798. Up to 431 conditions per place. [2021-03-26 07:57:54,240 INFO L142 LiptonReduction]: Number of co-enabled transitions 670 [2021-03-26 07:57:54,294 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:54,294 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:57:54,294 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 332 [2021-03-26 07:57:54,294 INFO L480 AbstractCegarLoop]: Abstraction has has 491 places, 718 transitions, 17051 flow [2021-03-26 07:57:54,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:54,294 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:54,294 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:54,294 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable232 [2021-03-26 07:57:54,295 INFO L428 AbstractCegarLoop]: === Iteration 234 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:54,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:54,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1768862834, now seen corresponding path program 3 times [2021-03-26 07:57:54,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:54,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838911978] [2021-03-26 07:57:54,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:54,300 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:54,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:54,305 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:54,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:54,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:54,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:54,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:54,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:54,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:54,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:54,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:54,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:54,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:54,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:54,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:54,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:54,365 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:57:54,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:54,368 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:54,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:54,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:54,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838911978] [2021-03-26 07:57:54,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:54,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 07:57:54,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448570686] [2021-03-26 07:57:54,371 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 07:57:54,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:54,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 07:57:54,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 07:57:54,371 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 158 [2021-03-26 07:57:54,372 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 718 transitions, 17051 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:54,372 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:54,372 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 158 [2021-03-26 07:57:54,372 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:55,269 INFO L129 PetriNetUnfolder]: 852/1697 cut-off events. [2021-03-26 07:57:55,270 INFO L130 PetriNetUnfolder]: For 123674/123697 co-relation queries the response was YES. [2021-03-26 07:57:55,294 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25601 conditions, 1697 events. 852/1697 cut-off events. For 123674/123697 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 11160 event pairs, 138 based on Foata normal form. 12/1706 useless extension candidates. Maximal degree in co-relation 25394. Up to 1517 conditions per place. [2021-03-26 07:57:55,304 INFO L132 encePairwiseOnDemand]: 140/158 looper letters, 669 selfloop transitions, 61 changer transitions 2/740 dead transitions. [2021-03-26 07:57:55,304 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 501 places, 740 transitions, 19010 flow [2021-03-26 07:57:55,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 07:57:55,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 07:57:55,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 357 transitions. [2021-03-26 07:57:55,305 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2054085155350978 [2021-03-26 07:57:55,305 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 357 transitions. [2021-03-26 07:57:55,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 357 transitions. [2021-03-26 07:57:55,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:55,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 357 transitions. [2021-03-26 07:57:55,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 32.45454545454545) internal successors, (357), 11 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:55,306 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 158.0) internal successors, (1896), 12 states have internal predecessors, (1896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:55,306 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 158.0) internal successors, (1896), 12 states have internal predecessors, (1896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:55,306 INFO L185 Difference]: Start difference. First operand has 491 places, 718 transitions, 17051 flow. Second operand 11 states and 357 transitions. [2021-03-26 07:57:55,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 501 places, 740 transitions, 19010 flow [2021-03-26 07:57:55,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 489 places, 740 transitions, 18604 flow, removed 92 selfloop flow, removed 12 redundant places. [2021-03-26 07:57:55,948 INFO L241 Difference]: Finished difference. Result has 495 places, 732 transitions, 17149 flow [2021-03-26 07:57:55,948 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=16660, PETRI_DIFFERENCE_MINUEND_PLACES=479, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=718, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=663, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=17149, PETRI_PLACES=495, PETRI_TRANSITIONS=732} [2021-03-26 07:57:55,949 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 456 predicate places. [2021-03-26 07:57:55,949 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:55,949 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 495 places, 732 transitions, 17149 flow [2021-03-26 07:57:55,949 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 495 places, 732 transitions, 17149 flow [2021-03-26 07:57:55,955 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 494 places, 732 transitions, 17149 flow [2021-03-26 07:57:56,234 INFO L129 PetriNetUnfolder]: 640/1390 cut-off events. [2021-03-26 07:57:56,234 INFO L130 PetriNetUnfolder]: For 97299/97691 co-relation queries the response was YES. [2021-03-26 07:57:56,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20029 conditions, 1390 events. 640/1390 cut-off events. For 97299/97691 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 9703 event pairs, 37 based on Foata normal form. 40/1403 useless extension candidates. Maximal degree in co-relation 19800. Up to 429 conditions per place. [2021-03-26 07:57:56,271 INFO L142 LiptonReduction]: Number of co-enabled transitions 674 [2021-03-26 07:57:56,437 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:56,437 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:57:56,438 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 489 [2021-03-26 07:57:56,438 INFO L480 AbstractCegarLoop]: Abstraction has has 494 places, 732 transitions, 17195 flow [2021-03-26 07:57:56,438 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:56,438 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:56,438 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:56,438 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable233 [2021-03-26 07:57:56,438 INFO L428 AbstractCegarLoop]: === Iteration 235 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:56,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:56,438 INFO L82 PathProgramCache]: Analyzing trace with hash 805184919, now seen corresponding path program 1 times [2021-03-26 07:57:56,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:56,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094076056] [2021-03-26 07:57:56,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:56,447 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:56,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:56,452 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:56,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:56,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:56,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:56,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:56,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:56,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:56,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:56,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:56,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:56,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:56,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:56,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:56,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:56,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:56,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:56,550 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:56,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:56,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:56,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094076056] [2021-03-26 07:57:56,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:56,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:57:56,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755618046] [2021-03-26 07:57:56,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:57:56,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:56,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:57:56,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:57:56,553 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 159 [2021-03-26 07:57:56,553 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 494 places, 732 transitions, 17195 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:56,554 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:56,554 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 159 [2021-03-26 07:57:56,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:57:57,703 INFO L129 PetriNetUnfolder]: 864/1738 cut-off events. [2021-03-26 07:57:57,703 INFO L130 PetriNetUnfolder]: For 129152/129156 co-relation queries the response was YES. [2021-03-26 07:57:57,724 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26269 conditions, 1738 events. 864/1738 cut-off events. For 129152/129156 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 11505 event pairs, 141 based on Foata normal form. 5/1740 useless extension candidates. Maximal degree in co-relation 26034. Up to 1535 conditions per place. [2021-03-26 07:57:57,733 INFO L132 encePairwiseOnDemand]: 139/159 looper letters, 681 selfloop transitions, 80 changer transitions 2/771 dead transitions. [2021-03-26 07:57:57,733 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 511 places, 771 transitions, 19910 flow [2021-03-26 07:57:57,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 07:57:57,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 07:57:57,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 553 transitions. [2021-03-26 07:57:57,734 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19322152341020266 [2021-03-26 07:57:57,734 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 553 transitions. [2021-03-26 07:57:57,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 553 transitions. [2021-03-26 07:57:57,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:57:57,735 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 553 transitions. [2021-03-26 07:57:57,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 30.72222222222222) internal successors, (553), 18 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:57,736 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 159.0) internal successors, (3021), 19 states have internal predecessors, (3021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:57,736 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 159.0) internal successors, (3021), 19 states have internal predecessors, (3021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:57,736 INFO L185 Difference]: Start difference. First operand has 494 places, 732 transitions, 17195 flow. Second operand 18 states and 553 transitions. [2021-03-26 07:57:57,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 511 places, 771 transitions, 19910 flow [2021-03-26 07:57:58,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 509 places, 771 transitions, 19649 flow, removed 129 selfloop flow, removed 2 redundant places. [2021-03-26 07:57:58,441 INFO L241 Difference]: Finished difference. Result has 519 places, 757 transitions, 18045 flow [2021-03-26 07:57:58,441 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=17006, PETRI_DIFFERENCE_MINUEND_PLACES=492, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=732, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=665, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=18045, PETRI_PLACES=519, PETRI_TRANSITIONS=757} [2021-03-26 07:57:58,442 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 480 predicate places. [2021-03-26 07:57:58,442 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:57:58,442 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 519 places, 757 transitions, 18045 flow [2021-03-26 07:57:58,442 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 519 places, 757 transitions, 18045 flow [2021-03-26 07:57:58,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 517 places, 757 transitions, 18045 flow [2021-03-26 07:57:58,744 INFO L129 PetriNetUnfolder]: 651/1426 cut-off events. [2021-03-26 07:57:58,745 INFO L130 PetriNetUnfolder]: For 112546/112971 co-relation queries the response was YES. [2021-03-26 07:57:58,764 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20991 conditions, 1426 events. 651/1426 cut-off events. For 112546/112971 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 10078 event pairs, 38 based on Foata normal form. 52/1450 useless extension candidates. Maximal degree in co-relation 20776. Up to 441 conditions per place. [2021-03-26 07:57:58,783 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 07:57:58,981 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:57:58,981 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 07:57:58,981 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 539 [2021-03-26 07:57:58,982 INFO L480 AbstractCegarLoop]: Abstraction has has 515 places, 755 transitions, 18019 flow [2021-03-26 07:57:58,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:58,982 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:57:58,982 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:57:58,982 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable234 [2021-03-26 07:57:58,982 INFO L428 AbstractCegarLoop]: === Iteration 236 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:57:58,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:57:58,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1082503326, now seen corresponding path program 1 times [2021-03-26 07:57:58,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:57:58,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137608800] [2021-03-26 07:57:58,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:57:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:57:58,989 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:57:58,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:57:58,994 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:57:58,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:59,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:59,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:59,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:59,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:59,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:59,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:59,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:59,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:57:59,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:59,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:57:59,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:57:59,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:57:59,064 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:57:59,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:57:59,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:57:59,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137608800] [2021-03-26 07:57:59,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:57:59,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 07:57:59,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066045917] [2021-03-26 07:57:59,067 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 07:57:59,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:57:59,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 07:57:59,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 07:57:59,067 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 161 [2021-03-26 07:57:59,067 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 515 places, 755 transitions, 18019 flow. Second operand has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:57:59,067 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:57:59,067 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 161 [2021-03-26 07:57:59,067 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:58:00,161 INFO L129 PetriNetUnfolder]: 867/1746 cut-off events. [2021-03-26 07:58:00,162 INFO L130 PetriNetUnfolder]: For 141917/141940 co-relation queries the response was YES. [2021-03-26 07:58:00,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26889 conditions, 1746 events. 867/1746 cut-off events. For 141917/141940 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 11691 event pairs, 125 based on Foata normal form. 15/1759 useless extension candidates. Maximal degree in co-relation 26664. Up to 1541 conditions per place. [2021-03-26 07:58:00,202 INFO L132 encePairwiseOnDemand]: 143/161 looper letters, 685 selfloop transitions, 73 changer transitions 3/769 dead transitions. [2021-03-26 07:58:00,203 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 769 transitions, 19945 flow [2021-03-26 07:58:00,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 07:58:00,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 07:58:00,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 338 transitions. [2021-03-26 07:58:00,204 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20993788819875778 [2021-03-26 07:58:00,204 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 338 transitions. [2021-03-26 07:58:00,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 338 transitions. [2021-03-26 07:58:00,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:58:00,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 338 transitions. [2021-03-26 07:58:00,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 33.8) internal successors, (338), 10 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:00,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:00,205 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:00,205 INFO L185 Difference]: Start difference. First operand has 515 places, 755 transitions, 18019 flow. Second operand 10 states and 338 transitions. [2021-03-26 07:58:00,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 524 places, 769 transitions, 19945 flow [2021-03-26 07:58:01,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 518 places, 769 transitions, 19416 flow, removed 249 selfloop flow, removed 6 redundant places. [2021-03-26 07:58:01,091 INFO L241 Difference]: Finished difference. Result has 522 places, 759 transitions, 17787 flow [2021-03-26 07:58:01,091 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=17490, PETRI_DIFFERENCE_MINUEND_PLACES=509, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=755, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=682, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=17787, PETRI_PLACES=522, PETRI_TRANSITIONS=759} [2021-03-26 07:58:01,091 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 483 predicate places. [2021-03-26 07:58:01,091 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:58:01,092 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 522 places, 759 transitions, 17787 flow [2021-03-26 07:58:01,092 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 522 places, 759 transitions, 17787 flow [2021-03-26 07:58:01,098 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 520 places, 759 transitions, 17787 flow [2021-03-26 07:58:01,508 INFO L129 PetriNetUnfolder]: 651/1426 cut-off events. [2021-03-26 07:58:01,508 INFO L130 PetriNetUnfolder]: For 107701/108087 co-relation queries the response was YES. [2021-03-26 07:58:01,523 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20806 conditions, 1426 events. 651/1426 cut-off events. For 107701/108087 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 10101 event pairs, 42 based on Foata normal form. 46/1448 useless extension candidates. Maximal degree in co-relation 20589. Up to 434 conditions per place. [2021-03-26 07:58:01,541 INFO L142 LiptonReduction]: Number of co-enabled transitions 694 [2021-03-26 07:58:01,844 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:58:01,844 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 07:58:01,844 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 753 [2021-03-26 07:58:01,844 INFO L480 AbstractCegarLoop]: Abstraction has has 520 places, 759 transitions, 17807 flow [2021-03-26 07:58:01,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:01,844 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:58:01,844 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:58:01,844 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable235 [2021-03-26 07:58:01,845 INFO L428 AbstractCegarLoop]: === Iteration 237 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:58:01,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:58:01,845 INFO L82 PathProgramCache]: Analyzing trace with hash -794381126, now seen corresponding path program 1 times [2021-03-26 07:58:01,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:58:01,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858283586] [2021-03-26 07:58:01,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:58:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:58:01,857 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:58:01,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:01,862 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:58:01,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:01,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:01,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:01,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:01,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:01,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:01,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:01,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:01,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:01,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:01,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:01,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:01,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:58:01,930 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:58:01,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:01,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:58:01,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858283586] [2021-03-26 07:58:01,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:58:01,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:58:01,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744002600] [2021-03-26 07:58:01,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:58:01,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:58:01,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:58:01,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:58:01,933 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 163 [2021-03-26 07:58:01,934 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 520 places, 759 transitions, 17807 flow. Second operand has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:01,934 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:58:01,934 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 163 [2021-03-26 07:58:01,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:58:03,044 INFO L129 PetriNetUnfolder]: 867/1737 cut-off events. [2021-03-26 07:58:03,045 INFO L130 PetriNetUnfolder]: For 139126/139149 co-relation queries the response was YES. [2021-03-26 07:58:03,071 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26660 conditions, 1737 events. 867/1737 cut-off events. For 139126/139149 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 11564 event pairs, 135 based on Foata normal form. 12/1746 useless extension candidates. Maximal degree in co-relation 26436. Up to 1541 conditions per place. [2021-03-26 07:58:03,080 INFO L132 encePairwiseOnDemand]: 141/163 looper letters, 683 selfloop transitions, 77 changer transitions 2/770 dead transitions. [2021-03-26 07:58:03,080 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 533 places, 770 transitions, 19576 flow [2021-03-26 07:58:03,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:58:03,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:58:03,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 445 transitions. [2021-03-26 07:58:03,081 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19500438212094653 [2021-03-26 07:58:03,081 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 445 transitions. [2021-03-26 07:58:03,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 445 transitions. [2021-03-26 07:58:03,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:58:03,081 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 445 transitions. [2021-03-26 07:58:03,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.785714285714285) internal successors, (445), 14 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:03,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 163.0) internal successors, (2445), 15 states have internal predecessors, (2445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:03,083 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 163.0) internal successors, (2445), 15 states have internal predecessors, (2445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:03,083 INFO L185 Difference]: Start difference. First operand has 520 places, 759 transitions, 17807 flow. Second operand 14 states and 445 transitions. [2021-03-26 07:58:03,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 533 places, 770 transitions, 19576 flow [2021-03-26 07:58:03,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 770 transitions, 19400 flow, removed 21 selfloop flow, removed 8 redundant places. [2021-03-26 07:58:03,861 INFO L241 Difference]: Finished difference. Result has 526 places, 757 transitions, 17777 flow [2021-03-26 07:58:03,861 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=17635, PETRI_DIFFERENCE_MINUEND_PLACES=512, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=759, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=682, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=17777, PETRI_PLACES=526, PETRI_TRANSITIONS=757} [2021-03-26 07:58:03,861 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 487 predicate places. [2021-03-26 07:58:03,862 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:58:03,862 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 526 places, 757 transitions, 17777 flow [2021-03-26 07:58:03,862 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 526 places, 757 transitions, 17777 flow [2021-03-26 07:58:03,868 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 524 places, 757 transitions, 17777 flow [2021-03-26 07:58:04,136 INFO L129 PetriNetUnfolder]: 652/1423 cut-off events. [2021-03-26 07:58:04,136 INFO L130 PetriNetUnfolder]: For 105204/105594 co-relation queries the response was YES. [2021-03-26 07:58:04,154 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20749 conditions, 1423 events. 652/1423 cut-off events. For 105204/105594 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 10011 event pairs, 39 based on Foata normal form. 50/1455 useless extension candidates. Maximal degree in co-relation 20535. Up to 434 conditions per place. [2021-03-26 07:58:04,172 INFO L142 LiptonReduction]: Number of co-enabled transitions 690 [2021-03-26 07:58:04,230 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:58:04,230 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:58:04,230 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 368 [2021-03-26 07:58:04,231 INFO L480 AbstractCegarLoop]: Abstraction has has 524 places, 757 transitions, 17777 flow [2021-03-26 07:58:04,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:04,231 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:58:04,231 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:58:04,231 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable236 [2021-03-26 07:58:04,231 INFO L428 AbstractCegarLoop]: === Iteration 238 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:58:04,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:58:04,231 INFO L82 PathProgramCache]: Analyzing trace with hash -256261098, now seen corresponding path program 1 times [2021-03-26 07:58:04,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:58:04,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799388292] [2021-03-26 07:58:04,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:58:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:58:04,236 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:58:04,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:04,241 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:58:04,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:04,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:04,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:04,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:04,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:04,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:04,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:04,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:04,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:04,292 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:58:04,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:04,296 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:58:04,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:04,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:58:04,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799388292] [2021-03-26 07:58:04,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:58:04,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 07:58:04,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656448754] [2021-03-26 07:58:04,298 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 07:58:04,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:58:04,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 07:58:04,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-03-26 07:58:04,299 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 163 [2021-03-26 07:58:04,299 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 757 transitions, 17777 flow. Second operand has 8 states, 8 states have (on average 27.125) internal successors, (217), 8 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:04,299 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:58:04,299 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 163 [2021-03-26 07:58:04,299 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:58:05,242 INFO L129 PetriNetUnfolder]: 867/1740 cut-off events. [2021-03-26 07:58:05,242 INFO L130 PetriNetUnfolder]: For 136232/136255 co-relation queries the response was YES. [2021-03-26 07:58:05,260 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26663 conditions, 1740 events. 867/1740 cut-off events. For 136232/136255 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 11627 event pairs, 137 based on Foata normal form. 12/1749 useless extension candidates. Maximal degree in co-relation 26440. Up to 1577 conditions per place. [2021-03-26 07:58:05,268 INFO L132 encePairwiseOnDemand]: 146/163 looper letters, 710 selfloop transitions, 43 changer transitions 2/763 dead transitions. [2021-03-26 07:58:05,268 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 534 places, 763 transitions, 19394 flow [2021-03-26 07:58:05,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 07:58:05,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 07:58:05,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 347 transitions. [2021-03-26 07:58:05,270 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1935303959843837 [2021-03-26 07:58:05,270 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 347 transitions. [2021-03-26 07:58:05,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 347 transitions. [2021-03-26 07:58:05,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:58:05,270 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 347 transitions. [2021-03-26 07:58:05,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 31.545454545454547) internal successors, (347), 11 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:05,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 163.0) internal successors, (1956), 12 states have internal predecessors, (1956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:05,271 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 163.0) internal successors, (1956), 12 states have internal predecessors, (1956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:05,271 INFO L185 Difference]: Start difference. First operand has 524 places, 757 transitions, 17777 flow. Second operand 11 states and 347 transitions. [2021-03-26 07:58:05,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 534 places, 763 transitions, 19394 flow [2021-03-26 07:58:06,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 523 places, 763 transitions, 19260 flow, removed 2 selfloop flow, removed 11 redundant places. [2021-03-26 07:58:06,221 INFO L241 Difference]: Finished difference. Result has 527 places, 759 transitions, 17793 flow [2021-03-26 07:58:06,222 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=17649, PETRI_DIFFERENCE_MINUEND_PLACES=513, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=757, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=714, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=17793, PETRI_PLACES=527, PETRI_TRANSITIONS=759} [2021-03-26 07:58:06,222 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 488 predicate places. [2021-03-26 07:58:06,222 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:58:06,222 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 527 places, 759 transitions, 17793 flow [2021-03-26 07:58:06,222 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 527 places, 759 transitions, 17793 flow [2021-03-26 07:58:06,231 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 526 places, 759 transitions, 17793 flow [2021-03-26 07:58:06,617 INFO L129 PetriNetUnfolder]: 652/1425 cut-off events. [2021-03-26 07:58:06,617 INFO L130 PetriNetUnfolder]: For 104717/105042 co-relation queries the response was YES. [2021-03-26 07:58:06,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20762 conditions, 1425 events. 652/1425 cut-off events. For 104717/105042 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 10105 event pairs, 38 based on Foata normal form. 51/1458 useless extension candidates. Maximal degree in co-relation 20529. Up to 434 conditions per place. [2021-03-26 07:58:06,672 INFO L142 LiptonReduction]: Number of co-enabled transitions 692 [2021-03-26 07:58:06,760 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:58:06,760 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:58:06,760 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 538 [2021-03-26 07:58:06,760 INFO L480 AbstractCegarLoop]: Abstraction has has 526 places, 759 transitions, 17793 flow [2021-03-26 07:58:06,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 27.125) internal successors, (217), 8 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:06,761 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:58:06,761 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:58:06,761 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable237 [2021-03-26 07:58:06,761 INFO L428 AbstractCegarLoop]: === Iteration 239 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:58:06,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:58:06,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1427645566, now seen corresponding path program 2 times [2021-03-26 07:58:06,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:58:06,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428510068] [2021-03-26 07:58:06,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:58:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:58:06,768 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:58:06,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:06,774 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:58:06,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:06,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:06,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:06,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:06,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:06,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:06,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:06,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:06,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:06,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:06,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:58:06,851 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:58:06,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:06,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:58:06,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428510068] [2021-03-26 07:58:06,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:58:06,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 07:58:06,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211111160] [2021-03-26 07:58:06,855 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 07:58:06,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:58:06,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 07:58:06,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 07:58:06,856 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 163 [2021-03-26 07:58:06,856 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 759 transitions, 17793 flow. Second operand has 9 states, 9 states have (on average 27.0) internal successors, (243), 9 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:06,856 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:58:06,856 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 163 [2021-03-26 07:58:06,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:58:08,298 INFO L129 PetriNetUnfolder]: 866/1741 cut-off events. [2021-03-26 07:58:08,299 INFO L130 PetriNetUnfolder]: For 136437/136460 co-relation queries the response was YES. [2021-03-26 07:58:08,327 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26665 conditions, 1741 events. 866/1741 cut-off events. For 136437/136460 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 11650 event pairs, 102 based on Foata normal form. 12/1750 useless extension candidates. Maximal degree in co-relation 26422. Up to 1576 conditions per place. [2021-03-26 07:58:08,339 INFO L132 encePairwiseOnDemand]: 146/163 looper letters, 710 selfloop transitions, 41 changer transitions 3/762 dead transitions. [2021-03-26 07:58:08,339 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 762 transitions, 19355 flow [2021-03-26 07:58:08,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 07:58:08,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 07:58:08,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 372 transitions. [2021-03-26 07:58:08,340 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1901840490797546 [2021-03-26 07:58:08,340 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 372 transitions. [2021-03-26 07:58:08,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 372 transitions. [2021-03-26 07:58:08,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:58:08,341 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 372 transitions. [2021-03-26 07:58:08,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 31.0) internal successors, (372), 12 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:08,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 163.0) internal successors, (2119), 13 states have internal predecessors, (2119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:08,342 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 163.0) internal successors, (2119), 13 states have internal predecessors, (2119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:08,342 INFO L185 Difference]: Start difference. First operand has 526 places, 759 transitions, 17793 flow. Second operand 12 states and 372 transitions. [2021-03-26 07:58:08,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 762 transitions, 19355 flow [2021-03-26 07:58:09,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 529 places, 762 transitions, 19254 flow, removed 4 selfloop flow, removed 8 redundant places. [2021-03-26 07:58:09,258 INFO L241 Difference]: Finished difference. Result has 531 places, 757 transitions, 17745 flow [2021-03-26 07:58:09,258 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=17692, PETRI_DIFFERENCE_MINUEND_PLACES=518, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=759, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=718, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17745, PETRI_PLACES=531, PETRI_TRANSITIONS=757} [2021-03-26 07:58:09,258 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 492 predicate places. [2021-03-26 07:58:09,258 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:58:09,258 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 531 places, 757 transitions, 17745 flow [2021-03-26 07:58:09,258 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 531 places, 757 transitions, 17745 flow [2021-03-26 07:58:09,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 527 places, 757 transitions, 17745 flow [2021-03-26 07:58:09,631 INFO L129 PetriNetUnfolder]: 651/1422 cut-off events. [2021-03-26 07:58:09,631 INFO L130 PetriNetUnfolder]: For 105279/105635 co-relation queries the response was YES. [2021-03-26 07:58:09,653 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20695 conditions, 1422 events. 651/1422 cut-off events. For 105279/105635 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 10046 event pairs, 41 based on Foata normal form. 49/1453 useless extension candidates. Maximal degree in co-relation 20480. Up to 434 conditions per place. [2021-03-26 07:58:09,675 INFO L142 LiptonReduction]: Number of co-enabled transitions 690 [2021-03-26 07:58:09,736 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:58:09,737 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:58:09,737 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 479 [2021-03-26 07:58:09,737 INFO L480 AbstractCegarLoop]: Abstraction has has 527 places, 757 transitions, 17745 flow [2021-03-26 07:58:09,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.0) internal successors, (243), 9 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:09,737 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:58:09,737 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:58:09,737 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable238 [2021-03-26 07:58:09,737 INFO L428 AbstractCegarLoop]: === Iteration 240 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:58:09,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:58:09,738 INFO L82 PathProgramCache]: Analyzing trace with hash 2137653057, now seen corresponding path program 1 times [2021-03-26 07:58:09,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:58:09,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348281691] [2021-03-26 07:58:09,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:58:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:58:09,745 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:58:09,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:09,750 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:58:09,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:09,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:09,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:09,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:09,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:09,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:09,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:09,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:09,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:09,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:09,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:09,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:09,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:09,818 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:58:09,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:09,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:58:09,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348281691] [2021-03-26 07:58:09,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:58:09,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:58:09,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073106817] [2021-03-26 07:58:09,821 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:58:09,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:58:09,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:58:09,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:58:09,822 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 163 [2021-03-26 07:58:09,822 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 527 places, 757 transitions, 17745 flow. Second operand has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:09,822 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:58:09,822 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 163 [2021-03-26 07:58:09,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:58:10,883 INFO L129 PetriNetUnfolder]: 866/1733 cut-off events. [2021-03-26 07:58:10,883 INFO L130 PetriNetUnfolder]: For 136190/136213 co-relation queries the response was YES. [2021-03-26 07:58:10,908 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26585 conditions, 1733 events. 866/1733 cut-off events. For 136190/136213 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 11524 event pairs, 136 based on Foata normal form. 12/1742 useless extension candidates. Maximal degree in co-relation 26367. Up to 1541 conditions per place. [2021-03-26 07:58:10,919 INFO L132 encePairwiseOnDemand]: 143/163 looper letters, 682 selfloop transitions, 74 changer transitions 2/766 dead transitions. [2021-03-26 07:58:10,919 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 538 places, 766 transitions, 19494 flow [2021-03-26 07:58:10,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 07:58:10,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 07:58:10,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 389 transitions. [2021-03-26 07:58:10,920 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19887525562372188 [2021-03-26 07:58:10,920 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 389 transitions. [2021-03-26 07:58:10,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 389 transitions. [2021-03-26 07:58:10,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:58:10,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 389 transitions. [2021-03-26 07:58:10,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 32.416666666666664) internal successors, (389), 12 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:10,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 163.0) internal successors, (2119), 13 states have internal predecessors, (2119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:10,922 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 163.0) internal successors, (2119), 13 states have internal predecessors, (2119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:10,922 INFO L185 Difference]: Start difference. First operand has 527 places, 757 transitions, 17745 flow. Second operand 12 states and 389 transitions. [2021-03-26 07:58:10,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 538 places, 766 transitions, 19494 flow [2021-03-26 07:58:11,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 527 places, 766 transitions, 19402 flow, removed 4 selfloop flow, removed 11 redundant places. [2021-03-26 07:58:11,780 INFO L241 Difference]: Finished difference. Result has 528 places, 755 transitions, 17804 flow [2021-03-26 07:58:11,780 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=17655, PETRI_DIFFERENCE_MINUEND_PLACES=516, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=757, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=683, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17804, PETRI_PLACES=528, PETRI_TRANSITIONS=755} [2021-03-26 07:58:11,780 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 489 predicate places. [2021-03-26 07:58:11,780 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:58:11,781 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 528 places, 755 transitions, 17804 flow [2021-03-26 07:58:11,781 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 528 places, 755 transitions, 17804 flow [2021-03-26 07:58:11,787 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 526 places, 755 transitions, 17804 flow [2021-03-26 07:58:12,119 INFO L129 PetriNetUnfolder]: 653/1418 cut-off events. [2021-03-26 07:58:12,119 INFO L130 PetriNetUnfolder]: For 105337/105693 co-relation queries the response was YES. [2021-03-26 07:58:12,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20756 conditions, 1418 events. 653/1418 cut-off events. For 105337/105693 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 10082 event pairs, 37 based on Foata normal form. 52/1451 useless extension candidates. Maximal degree in co-relation 20519. Up to 434 conditions per place. [2021-03-26 07:58:12,161 INFO L142 LiptonReduction]: Number of co-enabled transitions 690 [2021-03-26 07:58:12,337 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:58:12,337 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:58:12,337 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 557 [2021-03-26 07:58:12,337 INFO L480 AbstractCegarLoop]: Abstraction has has 526 places, 755 transitions, 17820 flow [2021-03-26 07:58:12,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:12,337 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:58:12,337 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:58:12,337 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable239 [2021-03-26 07:58:12,338 INFO L428 AbstractCegarLoop]: === Iteration 241 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:58:12,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:58:12,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1882507902, now seen corresponding path program 2 times [2021-03-26 07:58:12,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:58:12,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751401272] [2021-03-26 07:58:12,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:58:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:58:12,370 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:58:12,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:12,375 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:58:12,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:12,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:12,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:12,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:12,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:12,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:12,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:12,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:12,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:12,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:12,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:12,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:12,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:58:12,436 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:58:12,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:12,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:58:12,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751401272] [2021-03-26 07:58:12,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:58:12,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 07:58:12,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795188863] [2021-03-26 07:58:12,439 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 07:58:12,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:58:12,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 07:58:12,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 07:58:12,440 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 164 [2021-03-26 07:58:12,440 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 755 transitions, 17820 flow. Second operand has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:12,440 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:58:12,440 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 164 [2021-03-26 07:58:12,440 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:58:13,956 INFO L129 PetriNetUnfolder]: 864/1730 cut-off events. [2021-03-26 07:58:13,957 INFO L130 PetriNetUnfolder]: For 135730/135753 co-relation queries the response was YES. [2021-03-26 07:58:13,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26623 conditions, 1730 events. 864/1730 cut-off events. For 135730/135753 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 11530 event pairs, 134 based on Foata normal form. 12/1739 useless extension candidates. Maximal degree in co-relation 26383. Up to 1547 conditions per place. [2021-03-26 07:58:13,994 INFO L132 encePairwiseOnDemand]: 146/164 looper letters, 688 selfloop transitions, 58 changer transitions 4/758 dead transitions. [2021-03-26 07:58:13,994 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 758 transitions, 19436 flow [2021-03-26 07:58:13,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 07:58:13,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 07:58:13,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 327 transitions. [2021-03-26 07:58:13,996 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19939024390243903 [2021-03-26 07:58:13,996 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 327 transitions. [2021-03-26 07:58:13,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 327 transitions. [2021-03-26 07:58:13,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:58:13,996 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 327 transitions. [2021-03-26 07:58:13,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 32.7) internal successors, (327), 10 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:13,997 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 164.0) internal successors, (1804), 11 states have internal predecessors, (1804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:13,997 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 164.0) internal successors, (1804), 11 states have internal predecessors, (1804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:13,997 INFO L185 Difference]: Start difference. First operand has 526 places, 755 transitions, 17820 flow. Second operand 10 states and 327 transitions. [2021-03-26 07:58:13,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 758 transitions, 19436 flow [2021-03-26 07:58:14,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 523 places, 758 transitions, 19261 flow, removed 1 selfloop flow, removed 12 redundant places. [2021-03-26 07:58:14,874 INFO L241 Difference]: Finished difference. Result has 524 places, 751 transitions, 17700 flow [2021-03-26 07:58:14,875 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=17645, PETRI_DIFFERENCE_MINUEND_PLACES=514, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=755, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=697, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=17700, PETRI_PLACES=524, PETRI_TRANSITIONS=751} [2021-03-26 07:58:14,875 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 485 predicate places. [2021-03-26 07:58:14,875 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:58:14,875 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 524 places, 751 transitions, 17700 flow [2021-03-26 07:58:14,875 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 524 places, 751 transitions, 17700 flow [2021-03-26 07:58:14,882 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 520 places, 751 transitions, 17700 flow [2021-03-26 07:58:15,269 INFO L129 PetriNetUnfolder]: 652/1415 cut-off events. [2021-03-26 07:58:15,269 INFO L130 PetriNetUnfolder]: For 105865/106225 co-relation queries the response was YES. [2021-03-26 07:58:15,288 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20767 conditions, 1415 events. 652/1415 cut-off events. For 105865/106225 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 9956 event pairs, 43 based on Foata normal form. 50/1443 useless extension candidates. Maximal degree in co-relation 20559. Up to 437 conditions per place. [2021-03-26 07:58:15,308 INFO L142 LiptonReduction]: Number of co-enabled transitions 682 [2021-03-26 07:58:15,363 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:58:15,363 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:58:15,363 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 488 [2021-03-26 07:58:15,364 INFO L480 AbstractCegarLoop]: Abstraction has has 520 places, 751 transitions, 17700 flow [2021-03-26 07:58:15,364 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:15,364 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:58:15,364 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:58:15,364 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240 [2021-03-26 07:58:15,364 INFO L428 AbstractCegarLoop]: === Iteration 242 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:58:15,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:58:15,364 INFO L82 PathProgramCache]: Analyzing trace with hash 281132232, now seen corresponding path program 1 times [2021-03-26 07:58:15,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:58:15,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466164127] [2021-03-26 07:58:15,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:58:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:58:15,400 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:58:15,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:15,405 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:58:15,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:15,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:15,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:15,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:15,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:15,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:15,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:15,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:15,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:58:15,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:15,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:15,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:15,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:15,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:15,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:15,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:58:15,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466164127] [2021-03-26 07:58:15,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:58:15,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 07:58:15,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677241976] [2021-03-26 07:58:15,464 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 07:58:15,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:58:15,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 07:58:15,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 07:58:15,465 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 164 [2021-03-26 07:58:15,465 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 520 places, 751 transitions, 17700 flow. Second operand has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:15,465 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:58:15,465 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 164 [2021-03-26 07:58:15,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:58:16,323 INFO L129 PetriNetUnfolder]: 863/1729 cut-off events. [2021-03-26 07:58:16,323 INFO L130 PetriNetUnfolder]: For 136889/136893 co-relation queries the response was YES. [2021-03-26 07:58:16,347 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26590 conditions, 1729 events. 863/1729 cut-off events. For 136889/136893 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 11412 event pairs, 144 based on Foata normal form. 5/1731 useless extension candidates. Maximal degree in co-relation 26380. Up to 1545 conditions per place. [2021-03-26 07:58:16,356 INFO L132 encePairwiseOnDemand]: 144/164 looper letters, 679 selfloop transitions, 68 changer transitions 4/759 dead transitions. [2021-03-26 07:58:16,357 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 531 places, 759 transitions, 19448 flow [2021-03-26 07:58:16,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 07:58:16,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 07:58:16,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 382 transitions. [2021-03-26 07:58:16,358 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19410569105691056 [2021-03-26 07:58:16,358 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 382 transitions. [2021-03-26 07:58:16,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 382 transitions. [2021-03-26 07:58:16,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:58:16,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 382 transitions. [2021-03-26 07:58:16,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 31.833333333333332) internal successors, (382), 12 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:16,359 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 164.0) internal successors, (2132), 13 states have internal predecessors, (2132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:16,359 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 164.0) internal successors, (2132), 13 states have internal predecessors, (2132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:16,359 INFO L185 Difference]: Start difference. First operand has 520 places, 751 transitions, 17700 flow. Second operand 12 states and 382 transitions. [2021-03-26 07:58:16,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 531 places, 759 transitions, 19448 flow [2021-03-26 07:58:17,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 522 places, 759 transitions, 19312 flow, removed 7 selfloop flow, removed 9 redundant places. [2021-03-26 07:58:17,068 INFO L241 Difference]: Finished difference. Result has 525 places, 752 transitions, 17834 flow [2021-03-26 07:58:17,069 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=17568, PETRI_DIFFERENCE_MINUEND_PLACES=511, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=751, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=684, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17834, PETRI_PLACES=525, PETRI_TRANSITIONS=752} [2021-03-26 07:58:17,069 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 486 predicate places. [2021-03-26 07:58:17,069 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:58:17,069 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 525 places, 752 transitions, 17834 flow [2021-03-26 07:58:17,069 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 525 places, 752 transitions, 17834 flow [2021-03-26 07:58:17,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 522 places, 752 transitions, 17834 flow [2021-03-26 07:58:17,421 INFO L129 PetriNetUnfolder]: 651/1415 cut-off events. [2021-03-26 07:58:17,421 INFO L130 PetriNetUnfolder]: For 108456/108867 co-relation queries the response was YES. [2021-03-26 07:58:17,443 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20816 conditions, 1415 events. 651/1415 cut-off events. For 108456/108867 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 9961 event pairs, 42 based on Foata normal form. 38/1426 useless extension candidates. Maximal degree in co-relation 20604. Up to 437 conditions per place. [2021-03-26 07:58:17,462 INFO L142 LiptonReduction]: Number of co-enabled transitions 684 [2021-03-26 07:58:17,635 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:58:17,636 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:58:17,636 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 567 [2021-03-26 07:58:17,636 INFO L480 AbstractCegarLoop]: Abstraction has has 522 places, 752 transitions, 17879 flow [2021-03-26 07:58:17,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:17,636 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:58:17,636 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:58:17,636 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241 [2021-03-26 07:58:17,636 INFO L428 AbstractCegarLoop]: === Iteration 243 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:58:17,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:58:17,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1834947633, now seen corresponding path program 2 times [2021-03-26 07:58:17,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:58:17,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958949630] [2021-03-26 07:58:17,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:58:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:58:17,642 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:58:17,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:17,647 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:58:17,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:17,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:17,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:17,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:17,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:17,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:17,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:17,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:17,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:17,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:17,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:17,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:17,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:58:17,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:17,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:58:17,738 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:58:17,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:17,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:58:17,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958949630] [2021-03-26 07:58:17,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:58:17,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:58:17,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477436735] [2021-03-26 07:58:17,741 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:58:17,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:58:17,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:58:17,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:58:17,741 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 165 [2021-03-26 07:58:17,741 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 522 places, 752 transitions, 17879 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:17,742 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:58:17,742 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 165 [2021-03-26 07:58:17,742 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:58:19,103 INFO L129 PetriNetUnfolder]: 888/1790 cut-off events. [2021-03-26 07:58:19,103 INFO L130 PetriNetUnfolder]: For 147449/147489 co-relation queries the response was YES. [2021-03-26 07:58:19,123 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27599 conditions, 1790 events. 888/1790 cut-off events. For 147449/147489 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 12009 event pairs, 141 based on Foata normal form. 13/1799 useless extension candidates. Maximal degree in co-relation 27373. Up to 1550 conditions per place. [2021-03-26 07:58:19,134 INFO L132 encePairwiseOnDemand]: 144/165 looper letters, 642 selfloop transitions, 149 changer transitions 2/801 dead transitions. [2021-03-26 07:58:19,134 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 801 transitions, 20744 flow [2021-03-26 07:58:19,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 07:58:19,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 07:58:19,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 620 transitions. [2021-03-26 07:58:19,136 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.18787878787878787 [2021-03-26 07:58:19,136 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 620 transitions. [2021-03-26 07:58:19,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 620 transitions. [2021-03-26 07:58:19,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:58:19,137 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 620 transitions. [2021-03-26 07:58:19,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 31.0) internal successors, (620), 20 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:19,138 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 165.0) internal successors, (3465), 21 states have internal predecessors, (3465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:19,138 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 165.0) internal successors, (3465), 21 states have internal predecessors, (3465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:19,138 INFO L185 Difference]: Start difference. First operand has 522 places, 752 transitions, 17879 flow. Second operand 20 states and 620 transitions. [2021-03-26 07:58:19,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 801 transitions, 20744 flow [2021-03-26 07:58:19,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 801 transitions, 20466 flow, removed 86 selfloop flow, removed 8 redundant places. [2021-03-26 07:58:19,940 INFO L241 Difference]: Finished difference. Result has 546 places, 792 transitions, 19013 flow [2021-03-26 07:58:19,940 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=17621, PETRI_DIFFERENCE_MINUEND_PLACES=514, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=752, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=110, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=619, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=19013, PETRI_PLACES=546, PETRI_TRANSITIONS=792} [2021-03-26 07:58:19,940 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 507 predicate places. [2021-03-26 07:58:19,940 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:58:19,940 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 546 places, 792 transitions, 19013 flow [2021-03-26 07:58:19,940 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 546 places, 792 transitions, 19013 flow [2021-03-26 07:58:19,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 544 places, 792 transitions, 19013 flow [2021-03-26 07:58:20,267 INFO L129 PetriNetUnfolder]: 686/1501 cut-off events. [2021-03-26 07:58:20,268 INFO L130 PetriNetUnfolder]: For 115091/115440 co-relation queries the response was YES. [2021-03-26 07:58:20,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22086 conditions, 1501 events. 686/1501 cut-off events. For 115091/115440 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 10720 event pairs, 34 based on Foata normal form. 37/1518 useless extension candidates. Maximal degree in co-relation 21859. Up to 470 conditions per place. [2021-03-26 07:58:20,311 INFO L142 LiptonReduction]: Number of co-enabled transitions 692 [2021-03-26 07:58:20,531 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:58:20,531 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 07:58:20,531 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 591 [2021-03-26 07:58:20,532 INFO L480 AbstractCegarLoop]: Abstraction has has 542 places, 790 transitions, 18993 flow [2021-03-26 07:58:20,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:20,532 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:58:20,532 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:58:20,532 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable242 [2021-03-26 07:58:20,532 INFO L428 AbstractCegarLoop]: === Iteration 244 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:58:20,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:58:20,532 INFO L82 PathProgramCache]: Analyzing trace with hash -320982241, now seen corresponding path program 1 times [2021-03-26 07:58:20,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:58:20,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457036134] [2021-03-26 07:58:20,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:58:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:58:20,538 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:58:20,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:20,543 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:58:20,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:20,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:20,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:20,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:20,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:20,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:20,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:20,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:20,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:20,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:20,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:20,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:20,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:58:20,623 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:58:20,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:20,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:58:20,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457036134] [2021-03-26 07:58:20,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:58:20,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:58:20,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741709985] [2021-03-26 07:58:20,626 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:58:20,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:58:20,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:58:20,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:58:20,626 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 167 [2021-03-26 07:58:20,627 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 790 transitions, 18993 flow. Second operand has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:20,627 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:58:20,627 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 167 [2021-03-26 07:58:20,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:58:21,785 INFO L129 PetriNetUnfolder]: 892/1805 cut-off events. [2021-03-26 07:58:21,785 INFO L130 PetriNetUnfolder]: For 152741/152764 co-relation queries the response was YES. [2021-03-26 07:58:21,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28284 conditions, 1805 events. 892/1805 cut-off events. For 152741/152764 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 12249 event pairs, 145 based on Foata normal form. 12/1814 useless extension candidates. Maximal degree in co-relation 28047. Up to 1618 conditions per place. [2021-03-26 07:58:21,821 INFO L132 encePairwiseOnDemand]: 147/167 looper letters, 748 selfloop transitions, 49 changer transitions 2/807 dead transitions. [2021-03-26 07:58:21,822 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 554 places, 807 transitions, 21149 flow [2021-03-26 07:58:21,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:58:21,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:58:21,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 407 transitions. [2021-03-26 07:58:21,823 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.18747121142330722 [2021-03-26 07:58:21,823 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 407 transitions. [2021-03-26 07:58:21,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 407 transitions. [2021-03-26 07:58:21,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:58:21,823 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 407 transitions. [2021-03-26 07:58:21,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.307692307692307) internal successors, (407), 13 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:21,824 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 167.0) internal successors, (2338), 14 states have internal predecessors, (2338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:21,824 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 167.0) internal successors, (2338), 14 states have internal predecessors, (2338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:21,824 INFO L185 Difference]: Start difference. First operand has 542 places, 790 transitions, 18993 flow. Second operand 13 states and 407 transitions. [2021-03-26 07:58:21,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 554 places, 807 transitions, 21149 flow [2021-03-26 07:58:22,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 549 places, 807 transitions, 20752 flow, removed 180 selfloop flow, removed 5 redundant places. [2021-03-26 07:58:22,703 INFO L241 Difference]: Finished difference. Result has 554 places, 795 transitions, 18921 flow [2021-03-26 07:58:22,703 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=18605, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=790, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=742, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=18921, PETRI_PLACES=554, PETRI_TRANSITIONS=795} [2021-03-26 07:58:22,703 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 515 predicate places. [2021-03-26 07:58:22,703 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:58:22,703 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 554 places, 795 transitions, 18921 flow [2021-03-26 07:58:22,703 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 554 places, 795 transitions, 18921 flow [2021-03-26 07:58:22,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 552 places, 795 transitions, 18921 flow [2021-03-26 07:58:23,029 INFO L129 PetriNetUnfolder]: 690/1515 cut-off events. [2021-03-26 07:58:23,029 INFO L130 PetriNetUnfolder]: For 114652/114998 co-relation queries the response was YES. [2021-03-26 07:58:23,135 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22255 conditions, 1515 events. 690/1515 cut-off events. For 114652/114998 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 10835 event pairs, 34 based on Foata normal form. 36/1530 useless extension candidates. Maximal degree in co-relation 22037. Up to 474 conditions per place. [2021-03-26 07:58:23,159 INFO L142 LiptonReduction]: Number of co-enabled transitions 692 [2021-03-26 07:58:23,228 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:58:23,228 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:58:23,228 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 525 [2021-03-26 07:58:23,228 INFO L480 AbstractCegarLoop]: Abstraction has has 552 places, 795 transitions, 18921 flow [2021-03-26 07:58:23,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:23,228 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:58:23,229 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:58:23,229 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable243 [2021-03-26 07:58:23,229 INFO L428 AbstractCegarLoop]: === Iteration 245 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:58:23,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:58:23,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1635756004, now seen corresponding path program 1 times [2021-03-26 07:58:23,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:58:23,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498434551] [2021-03-26 07:58:23,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:58:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:58:23,236 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:58:23,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:23,241 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:58:23,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:23,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:23,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:23,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:23,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:23,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:23,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:23,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:23,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:23,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:23,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:23,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:23,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:23,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:23,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:23,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:58:23,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498434551] [2021-03-26 07:58:23,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:58:23,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:58:23,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981185613] [2021-03-26 07:58:23,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:58:23,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:58:23,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:58:23,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:58:23,321 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 167 [2021-03-26 07:58:23,322 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 552 places, 795 transitions, 18921 flow. Second operand has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:23,322 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:58:23,322 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 167 [2021-03-26 07:58:23,322 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:58:24,489 INFO L129 PetriNetUnfolder]: 892/1796 cut-off events. [2021-03-26 07:58:24,489 INFO L130 PetriNetUnfolder]: For 149028/149032 co-relation queries the response was YES. [2021-03-26 07:58:24,515 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28089 conditions, 1796 events. 892/1796 cut-off events. For 149028/149032 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 12053 event pairs, 149 based on Foata normal form. 5/1798 useless extension candidates. Maximal degree in co-relation 27868. Up to 1563 conditions per place. [2021-03-26 07:58:24,524 INFO L132 encePairwiseOnDemand]: 145/167 looper letters, 644 selfloop transitions, 147 changer transitions 2/801 dead transitions. [2021-03-26 07:58:24,524 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 567 places, 801 transitions, 20761 flow [2021-03-26 07:58:24,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:58:24,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:58:24,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 511 transitions. [2021-03-26 07:58:24,526 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19124251497005987 [2021-03-26 07:58:24,526 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 511 transitions. [2021-03-26 07:58:24,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 511 transitions. [2021-03-26 07:58:24,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:58:24,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 511 transitions. [2021-03-26 07:58:24,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.9375) internal successors, (511), 16 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:24,527 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 167.0) internal successors, (2839), 17 states have internal predecessors, (2839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:24,527 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 167.0) internal successors, (2839), 17 states have internal predecessors, (2839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:24,527 INFO L185 Difference]: Start difference. First operand has 552 places, 795 transitions, 18921 flow. Second operand 16 states and 511 transitions. [2021-03-26 07:58:24,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 567 places, 801 transitions, 20761 flow [2021-03-26 07:58:25,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 558 places, 801 transitions, 20586 flow, removed 45 selfloop flow, removed 9 redundant places. [2021-03-26 07:58:25,405 INFO L241 Difference]: Finished difference. Result has 559 places, 793 transitions, 19027 flow [2021-03-26 07:58:25,406 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=18748, PETRI_DIFFERENCE_MINUEND_PLACES=543, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=795, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=147, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=648, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=19027, PETRI_PLACES=559, PETRI_TRANSITIONS=793} [2021-03-26 07:58:25,406 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 520 predicate places. [2021-03-26 07:58:25,406 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:58:25,406 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 559 places, 793 transitions, 19027 flow [2021-03-26 07:58:25,406 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 559 places, 793 transitions, 19027 flow [2021-03-26 07:58:25,412 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 557 places, 793 transitions, 19027 flow [2021-03-26 07:58:25,726 INFO L129 PetriNetUnfolder]: 686/1506 cut-off events. [2021-03-26 07:58:25,726 INFO L130 PetriNetUnfolder]: For 111409/111722 co-relation queries the response was YES. [2021-03-26 07:58:25,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22142 conditions, 1506 events. 686/1506 cut-off events. For 111409/111722 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 10768 event pairs, 34 based on Foata normal form. 36/1525 useless extension candidates. Maximal degree in co-relation 21916. Up to 468 conditions per place. [2021-03-26 07:58:25,768 INFO L142 LiptonReduction]: Number of co-enabled transitions 688 [2021-03-26 07:58:25,837 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:58:25,837 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:58:25,837 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 431 [2021-03-26 07:58:25,837 INFO L480 AbstractCegarLoop]: Abstraction has has 557 places, 793 transitions, 19027 flow [2021-03-26 07:58:25,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:25,837 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:58:25,837 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:58:25,838 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable244 [2021-03-26 07:58:25,838 INFO L428 AbstractCegarLoop]: === Iteration 246 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:58:25,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:58:25,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1267558619, now seen corresponding path program 2 times [2021-03-26 07:58:25,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:58:25,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085616496] [2021-03-26 07:58:25,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:58:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:58:25,844 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:58:25,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:25,849 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:58:25,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:25,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:25,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:25,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:25,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:25,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:25,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:25,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:25,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:25,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:25,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:25,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:25,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:58:25,928 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:58:25,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:25,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:58:25,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085616496] [2021-03-26 07:58:25,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:58:25,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:58:25,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662988578] [2021-03-26 07:58:25,931 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:58:25,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:58:25,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:58:25,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:58:25,932 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 167 [2021-03-26 07:58:25,932 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 557 places, 793 transitions, 19027 flow. Second operand has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:25,932 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:58:25,932 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 167 [2021-03-26 07:58:25,932 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:58:26,953 INFO L129 PetriNetUnfolder]: 893/1804 cut-off events. [2021-03-26 07:58:26,953 INFO L130 PetriNetUnfolder]: For 150635/150658 co-relation queries the response was YES. [2021-03-26 07:58:26,980 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28362 conditions, 1804 events. 893/1804 cut-off events. For 150635/150658 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 12230 event pairs, 145 based on Foata normal form. 12/1813 useless extension candidates. Maximal degree in co-relation 28127. Up to 1616 conditions per place. [2021-03-26 07:58:26,989 INFO L132 encePairwiseOnDemand]: 147/167 looper letters, 745 selfloop transitions, 55 changer transitions 2/810 dead transitions. [2021-03-26 07:58:26,990 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 570 places, 810 transitions, 21161 flow [2021-03-26 07:58:26,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:58:26,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:58:26,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 434 transitions. [2021-03-26 07:58:26,991 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.18562874251497005 [2021-03-26 07:58:26,991 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 434 transitions. [2021-03-26 07:58:26,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 434 transitions. [2021-03-26 07:58:26,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:58:26,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 434 transitions. [2021-03-26 07:58:26,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.0) internal successors, (434), 14 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:26,992 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 167.0) internal successors, (2505), 15 states have internal predecessors, (2505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:26,992 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 167.0) internal successors, (2505), 15 states have internal predecessors, (2505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:26,992 INFO L185 Difference]: Start difference. First operand has 557 places, 793 transitions, 19027 flow. Second operand 14 states and 434 transitions. [2021-03-26 07:58:26,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 570 places, 810 transitions, 21161 flow [2021-03-26 07:58:27,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 555 places, 810 transitions, 20861 flow, removed 2 selfloop flow, removed 15 redundant places. [2021-03-26 07:58:27,827 INFO L241 Difference]: Finished difference. Result has 560 places, 796 transitions, 19020 flow [2021-03-26 07:58:27,827 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=18729, PETRI_DIFFERENCE_MINUEND_PLACES=542, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=793, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=738, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=19020, PETRI_PLACES=560, PETRI_TRANSITIONS=796} [2021-03-26 07:58:27,827 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 521 predicate places. [2021-03-26 07:58:27,828 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:58:27,828 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 560 places, 796 transitions, 19020 flow [2021-03-26 07:58:27,828 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 560 places, 796 transitions, 19020 flow [2021-03-26 07:58:27,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 558 places, 796 transitions, 19020 flow [2021-03-26 07:58:28,175 INFO L129 PetriNetUnfolder]: 687/1510 cut-off events. [2021-03-26 07:58:28,175 INFO L130 PetriNetUnfolder]: For 116150/116382 co-relation queries the response was YES. [2021-03-26 07:58:28,197 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22375 conditions, 1510 events. 687/1510 cut-off events. For 116150/116382 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 10930 event pairs, 32 based on Foata normal form. 25/1510 useless extension candidates. Maximal degree in co-relation 22155. Up to 474 conditions per place. [2021-03-26 07:58:28,218 INFO L142 LiptonReduction]: Number of co-enabled transitions 690 [2021-03-26 07:58:28,280 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:58:28,280 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:58:28,280 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 452 [2021-03-26 07:58:28,281 INFO L480 AbstractCegarLoop]: Abstraction has has 558 places, 796 transitions, 19020 flow [2021-03-26 07:58:28,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:28,281 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:58:28,281 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:58:28,281 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable245 [2021-03-26 07:58:28,281 INFO L428 AbstractCegarLoop]: === Iteration 247 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:58:28,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:58:28,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1169495437, now seen corresponding path program 3 times [2021-03-26 07:58:28,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:58:28,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213618762] [2021-03-26 07:58:28,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:58:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:58:28,287 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:58:28,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:28,292 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:58:28,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:28,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:28,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:28,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:28,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:28,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:28,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:28,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:28,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:58:28,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:28,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:28,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:28,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:58:28,359 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:58:28,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:28,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:58:28,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213618762] [2021-03-26 07:58:28,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:58:28,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 07:58:28,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563125688] [2021-03-26 07:58:28,362 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 07:58:28,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:58:28,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 07:58:28,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 07:58:28,362 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 167 [2021-03-26 07:58:28,363 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 558 places, 796 transitions, 19020 flow. Second operand has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:28,363 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:58:28,363 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 167 [2021-03-26 07:58:28,363 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:58:29,594 INFO L129 PetriNetUnfolder]: 892/1802 cut-off events. [2021-03-26 07:58:29,595 INFO L130 PetriNetUnfolder]: For 154076/154116 co-relation queries the response was YES. [2021-03-26 07:58:29,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28297 conditions, 1802 events. 892/1802 cut-off events. For 154076/154116 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 12176 event pairs, 115 based on Foata normal form. 20/1819 useless extension candidates. Maximal degree in co-relation 28073. Up to 1610 conditions per place. [2021-03-26 07:58:29,633 INFO L132 encePairwiseOnDemand]: 147/167 looper letters, 718 selfloop transitions, 71 changer transitions 3/800 dead transitions. [2021-03-26 07:58:29,633 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 568 places, 800 transitions, 20674 flow [2021-03-26 07:58:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 07:58:29,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 07:58:29,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 357 transitions. [2021-03-26 07:58:29,634 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19433859553620034 [2021-03-26 07:58:29,634 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 357 transitions. [2021-03-26 07:58:29,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 357 transitions. [2021-03-26 07:58:29,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:58:29,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 357 transitions. [2021-03-26 07:58:29,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 32.45454545454545) internal successors, (357), 11 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:29,635 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 167.0) internal successors, (2004), 12 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:29,635 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 167.0) internal successors, (2004), 12 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:29,635 INFO L185 Difference]: Start difference. First operand has 558 places, 796 transitions, 19020 flow. Second operand 11 states and 357 transitions. [2021-03-26 07:58:29,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 568 places, 800 transitions, 20674 flow [2021-03-26 07:58:30,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 557 places, 800 transitions, 20473 flow, removed 49 selfloop flow, removed 11 redundant places. [2021-03-26 07:58:30,449 INFO L241 Difference]: Finished difference. Result has 560 places, 795 transitions, 18910 flow [2021-03-26 07:58:30,449 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=18821, PETRI_DIFFERENCE_MINUEND_PLACES=547, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=796, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=725, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=18910, PETRI_PLACES=560, PETRI_TRANSITIONS=795} [2021-03-26 07:58:30,449 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 521 predicate places. [2021-03-26 07:58:30,449 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:58:30,449 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 560 places, 795 transitions, 18910 flow [2021-03-26 07:58:30,449 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 560 places, 795 transitions, 18910 flow [2021-03-26 07:58:30,455 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 558 places, 795 transitions, 18910 flow [2021-03-26 07:58:30,771 INFO L129 PetriNetUnfolder]: 685/1507 cut-off events. [2021-03-26 07:58:30,771 INFO L130 PetriNetUnfolder]: For 113891/114121 co-relation queries the response was YES. [2021-03-26 07:58:30,794 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22228 conditions, 1507 events. 685/1507 cut-off events. For 113891/114121 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 10868 event pairs, 33 based on Foata normal form. 26/1510 useless extension candidates. Maximal degree in co-relation 22011. Up to 472 conditions per place. [2021-03-26 07:58:30,814 INFO L142 LiptonReduction]: Number of co-enabled transitions 690 [2021-03-26 07:58:30,881 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:58:30,881 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:58:30,881 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 432 [2021-03-26 07:58:30,882 INFO L480 AbstractCegarLoop]: Abstraction has has 558 places, 795 transitions, 18910 flow [2021-03-26 07:58:30,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:30,882 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:58:30,882 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:58:30,882 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable246 [2021-03-26 07:58:30,882 INFO L428 AbstractCegarLoop]: === Iteration 248 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:58:30,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:58:30,882 INFO L82 PathProgramCache]: Analyzing trace with hash 124299065, now seen corresponding path program 1 times [2021-03-26 07:58:30,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:58:30,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343975699] [2021-03-26 07:58:30,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:58:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:58:30,888 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:58:30,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:30,892 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:58:30,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:30,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:30,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:30,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:30,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:30,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:30,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:30,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:30,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:30,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:30,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:30,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:30,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:30,960 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:58:30,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:30,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:58:30,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343975699] [2021-03-26 07:58:30,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:58:30,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:58:30,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999960304] [2021-03-26 07:58:30,962 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:58:30,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:58:30,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:58:30,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:58:30,963 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 167 [2021-03-26 07:58:30,963 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 558 places, 795 transitions, 18910 flow. Second operand has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:30,963 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:58:30,963 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 167 [2021-03-26 07:58:30,963 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:58:32,082 INFO L129 PetriNetUnfolder]: 901/1823 cut-off events. [2021-03-26 07:58:32,082 INFO L130 PetriNetUnfolder]: For 157157/157180 co-relation queries the response was YES. [2021-03-26 07:58:32,110 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28663 conditions, 1823 events. 901/1823 cut-off events. For 157157/157180 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 12386 event pairs, 131 based on Foata normal form. 12/1832 useless extension candidates. Maximal degree in co-relation 28444. Up to 1539 conditions per place. [2021-03-26 07:58:32,121 INFO L132 encePairwiseOnDemand]: 143/167 looper letters, 614 selfloop transitions, 198 changer transitions 3/823 dead transitions. [2021-03-26 07:58:32,121 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 572 places, 823 transitions, 21430 flow [2021-03-26 07:58:32,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:58:32,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:58:32,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 491 transitions. [2021-03-26 07:58:32,123 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19600798403193612 [2021-03-26 07:58:32,123 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 491 transitions. [2021-03-26 07:58:32,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 491 transitions. [2021-03-26 07:58:32,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:58:32,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 491 transitions. [2021-03-26 07:58:32,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.733333333333334) internal successors, (491), 15 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:32,124 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 167.0) internal successors, (2672), 16 states have internal predecessors, (2672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:32,124 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 167.0) internal successors, (2672), 16 states have internal predecessors, (2672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:32,124 INFO L185 Difference]: Start difference. First operand has 558 places, 795 transitions, 18910 flow. Second operand 15 states and 491 transitions. [2021-03-26 07:58:32,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 572 places, 823 transitions, 21430 flow [2021-03-26 07:58:33,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 561 places, 823 transitions, 21274 flow, removed 5 selfloop flow, removed 11 redundant places. [2021-03-26 07:58:33,151 INFO L241 Difference]: Finished difference. Result has 568 places, 812 transitions, 19783 flow [2021-03-26 07:58:33,151 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=18758, PETRI_DIFFERENCE_MINUEND_PLACES=547, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=795, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=179, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=607, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=19783, PETRI_PLACES=568, PETRI_TRANSITIONS=812} [2021-03-26 07:58:33,152 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 529 predicate places. [2021-03-26 07:58:33,152 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:58:33,152 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 568 places, 812 transitions, 19783 flow [2021-03-26 07:58:33,152 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 568 places, 812 transitions, 19783 flow [2021-03-26 07:58:33,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 564 places, 812 transitions, 19783 flow [2021-03-26 07:58:33,514 INFO L129 PetriNetUnfolder]: 699/1533 cut-off events. [2021-03-26 07:58:33,514 INFO L130 PetriNetUnfolder]: For 123600/123879 co-relation queries the response was YES. [2021-03-26 07:58:33,539 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23244 conditions, 1533 events. 699/1533 cut-off events. For 123600/123879 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 11063 event pairs, 31 based on Foata normal form. 31/1546 useless extension candidates. Maximal degree in co-relation 22981. Up to 488 conditions per place. [2021-03-26 07:58:33,562 INFO L142 LiptonReduction]: Number of co-enabled transitions 680 [2021-03-26 07:58:33,638 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:58:33,638 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:58:33,638 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 486 [2021-03-26 07:58:33,639 INFO L480 AbstractCegarLoop]: Abstraction has has 564 places, 812 transitions, 19783 flow [2021-03-26 07:58:33,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:33,639 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:58:33,639 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:58:33,639 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable247 [2021-03-26 07:58:33,639 INFO L428 AbstractCegarLoop]: === Iteration 249 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:58:33,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:58:33,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1234459849, now seen corresponding path program 3 times [2021-03-26 07:58:33,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:58:33,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607588838] [2021-03-26 07:58:33,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:58:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:58:33,650 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:58:33,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:33,655 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:58:33,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:33,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:33,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:33,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:33,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:33,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:33,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:33,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:33,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:33,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:33,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:33,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:33,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:58:33,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:33,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:58:33,737 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:58:33,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:33,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:58:33,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607588838] [2021-03-26 07:58:33,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:58:33,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:58:33,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416546496] [2021-03-26 07:58:33,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:58:33,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:58:33,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:58:33,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:58:33,740 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 167 [2021-03-26 07:58:33,740 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 564 places, 812 transitions, 19783 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:33,740 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:58:33,740 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 167 [2021-03-26 07:58:33,740 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:58:35,119 INFO L129 PetriNetUnfolder]: 925/1894 cut-off events. [2021-03-26 07:58:35,120 INFO L130 PetriNetUnfolder]: For 172796/172819 co-relation queries the response was YES. [2021-03-26 07:58:35,149 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30556 conditions, 1894 events. 925/1894 cut-off events. For 172796/172819 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 13101 event pairs, 146 based on Foata normal form. 13/1904 useless extension candidates. Maximal degree in co-relation 30287. Up to 1599 conditions per place. [2021-03-26 07:58:35,159 INFO L132 encePairwiseOnDemand]: 146/167 looper letters, 674 selfloop transitions, 188 changer transitions 4/874 dead transitions. [2021-03-26 07:58:35,159 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 583 places, 874 transitions, 24026 flow [2021-03-26 07:58:35,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 07:58:35,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 07:58:35,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 643 transitions. [2021-03-26 07:58:35,161 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19251497005988025 [2021-03-26 07:58:35,161 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 643 transitions. [2021-03-26 07:58:35,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 643 transitions. [2021-03-26 07:58:35,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:58:35,161 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 643 transitions. [2021-03-26 07:58:35,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 32.15) internal successors, (643), 20 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:35,163 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 167.0) internal successors, (3507), 21 states have internal predecessors, (3507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:35,163 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 167.0) internal successors, (3507), 21 states have internal predecessors, (3507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:35,163 INFO L185 Difference]: Start difference. First operand has 564 places, 812 transitions, 19783 flow. Second operand 20 states and 643 transitions. [2021-03-26 07:58:35,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 583 places, 874 transitions, 24026 flow [2021-03-26 07:58:36,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 576 places, 874 transitions, 23645 flow, removed 118 selfloop flow, removed 7 redundant places. [2021-03-26 07:58:36,297 INFO L241 Difference]: Finished difference. Result has 584 places, 861 transitions, 21965 flow [2021-03-26 07:58:36,297 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=19418, PETRI_DIFFERENCE_MINUEND_PLACES=557, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=812, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=144, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=659, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=21965, PETRI_PLACES=584, PETRI_TRANSITIONS=861} [2021-03-26 07:58:36,297 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 545 predicate places. [2021-03-26 07:58:36,298 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:58:36,298 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 584 places, 861 transitions, 21965 flow [2021-03-26 07:58:36,298 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 584 places, 861 transitions, 21965 flow [2021-03-26 07:58:36,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 584 places, 861 transitions, 21965 flow [2021-03-26 07:58:36,758 INFO L129 PetriNetUnfolder]: 728/1609 cut-off events. [2021-03-26 07:58:36,759 INFO L130 PetriNetUnfolder]: For 141688/141936 co-relation queries the response was YES. [2021-03-26 07:58:36,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25018 conditions, 1609 events. 728/1609 cut-off events. For 141688/141936 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 11726 event pairs, 31 based on Foata normal form. 23/1614 useless extension candidates. Maximal degree in co-relation 24748. Up to 519 conditions per place. [2021-03-26 07:58:36,815 INFO L142 LiptonReduction]: Number of co-enabled transitions 690 [2021-03-26 07:58:37,155 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:58:37,155 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 07:58:37,155 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 857 [2021-03-26 07:58:37,155 INFO L480 AbstractCegarLoop]: Abstraction has has 584 places, 861 transitions, 22146 flow [2021-03-26 07:58:37,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:37,155 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:58:37,155 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:58:37,156 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable248 [2021-03-26 07:58:37,156 INFO L428 AbstractCegarLoop]: === Iteration 250 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:58:37,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:58:37,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1523408868, now seen corresponding path program 4 times [2021-03-26 07:58:37,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:58:37,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933378247] [2021-03-26 07:58:37,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:58:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:58:37,164 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:58:37,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:37,169 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:58:37,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:37,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:37,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:37,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:37,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:37,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:37,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:37,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:37,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:58:37,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:37,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:37,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:37,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:58:37,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:37,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:58:37,232 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:58:37,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:37,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:58:37,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933378247] [2021-03-26 07:58:37,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:58:37,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 07:58:37,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497692917] [2021-03-26 07:58:37,235 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 07:58:37,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:58:37,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 07:58:37,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 07:58:37,236 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 172 [2021-03-26 07:58:37,236 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 584 places, 861 transitions, 22146 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:37,236 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:58:37,236 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 172 [2021-03-26 07:58:37,236 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:58:38,921 INFO L129 PetriNetUnfolder]: 925/1902 cut-off events. [2021-03-26 07:58:38,922 INFO L130 PetriNetUnfolder]: For 183428/183451 co-relation queries the response was YES. [2021-03-26 07:58:38,954 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31208 conditions, 1902 events. 925/1902 cut-off events. For 183428/183451 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 13238 event pairs, 147 based on Foata normal form. 12/1911 useless extension candidates. Maximal degree in co-relation 30932. Up to 1692 conditions per place. [2021-03-26 07:58:38,967 INFO L132 encePairwiseOnDemand]: 154/172 looper letters, 799 selfloop transitions, 65 changer transitions 2/874 dead transitions. [2021-03-26 07:58:38,967 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 595 places, 874 transitions, 24388 flow [2021-03-26 07:58:38,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 07:58:38,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 07:58:38,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 387 transitions. [2021-03-26 07:58:38,969 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1875 [2021-03-26 07:58:38,969 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 387 transitions. [2021-03-26 07:58:38,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 387 transitions. [2021-03-26 07:58:38,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:58:38,969 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 387 transitions. [2021-03-26 07:58:38,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 32.25) internal successors, (387), 12 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:38,970 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 172.0) internal successors, (2236), 13 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:38,970 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 172.0) internal successors, (2236), 13 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:38,970 INFO L185 Difference]: Start difference. First operand has 584 places, 861 transitions, 22146 flow. Second operand 12 states and 387 transitions. [2021-03-26 07:58:38,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 595 places, 874 transitions, 24388 flow [2021-03-26 07:58:40,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 591 places, 874 transitions, 22649 flow, removed 832 selfloop flow, removed 4 redundant places. [2021-03-26 07:58:40,362 INFO L241 Difference]: Finished difference. Result has 596 places, 869 transitions, 20924 flow [2021-03-26 07:58:40,362 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=20411, PETRI_DIFFERENCE_MINUEND_PLACES=580, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=861, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=801, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=20924, PETRI_PLACES=596, PETRI_TRANSITIONS=869} [2021-03-26 07:58:40,363 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 557 predicate places. [2021-03-26 07:58:40,363 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:58:40,363 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 596 places, 869 transitions, 20924 flow [2021-03-26 07:58:40,363 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 596 places, 869 transitions, 20924 flow [2021-03-26 07:58:40,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 595 places, 869 transitions, 20924 flow [2021-03-26 07:58:40,852 INFO L129 PetriNetUnfolder]: 728/1631 cut-off events. [2021-03-26 07:58:40,852 INFO L130 PetriNetUnfolder]: For 138347/138591 co-relation queries the response was YES. [2021-03-26 07:58:40,883 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24457 conditions, 1631 events. 728/1631 cut-off events. For 138347/138591 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 12010 event pairs, 30 based on Foata normal form. 50/1667 useless extension candidates. Maximal degree in co-relation 24207. Up to 496 conditions per place. [2021-03-26 07:58:40,910 INFO L142 LiptonReduction]: Number of co-enabled transitions 700 [2021-03-26 07:58:41,179 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 07:58:41,179 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 07:58:41,180 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 817 [2021-03-26 07:58:41,180 INFO L480 AbstractCegarLoop]: Abstraction has has 595 places, 869 transitions, 21024 flow [2021-03-26 07:58:41,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:41,180 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:58:41,181 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:58:41,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable249 [2021-03-26 07:58:41,181 INFO L428 AbstractCegarLoop]: === Iteration 251 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:58:41,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:58:41,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1193698560, now seen corresponding path program 1 times [2021-03-26 07:58:41,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:58:41,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298978999] [2021-03-26 07:58:41,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:58:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:58:41,189 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:58:41,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:41,194 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:58:41,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:41,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:41,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:41,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:41,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:41,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:41,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:41,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:41,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:41,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:41,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:41,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:41,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:41,260 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:58:41,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:41,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:58:41,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298978999] [2021-03-26 07:58:41,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:58:41,263 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:58:41,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983522127] [2021-03-26 07:58:41,263 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:58:41,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:58:41,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:58:41,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:58:41,264 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 175 [2021-03-26 07:58:41,264 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 595 places, 869 transitions, 21024 flow. Second operand has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:41,264 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:58:41,264 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 175 [2021-03-26 07:58:41,264 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:58:42,711 INFO L129 PetriNetUnfolder]: 934/1923 cut-off events. [2021-03-26 07:58:42,711 INFO L130 PetriNetUnfolder]: For 188403/188433 co-relation queries the response was YES. [2021-03-26 07:58:42,742 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31142 conditions, 1923 events. 934/1923 cut-off events. For 188403/188433 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 13460 event pairs, 137 based on Foata normal form. 20/1940 useless extension candidates. Maximal degree in co-relation 30884. Up to 1571 conditions per place. [2021-03-26 07:58:42,752 INFO L132 encePairwiseOnDemand]: 146/175 looper letters, 646 selfloop transitions, 238 changer transitions 2/894 dead transitions. [2021-03-26 07:58:42,752 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 609 places, 894 transitions, 24161 flow [2021-03-26 07:58:42,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:58:42,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:58:42,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 510 transitions. [2021-03-26 07:58:42,754 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19428571428571428 [2021-03-26 07:58:42,754 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 510 transitions. [2021-03-26 07:58:42,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 510 transitions. [2021-03-26 07:58:42,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:58:42,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 510 transitions. [2021-03-26 07:58:42,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 34.0) internal successors, (510), 15 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:42,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 175.0) internal successors, (2800), 16 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:42,755 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 175.0) internal successors, (2800), 16 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:42,755 INFO L185 Difference]: Start difference. First operand has 595 places, 869 transitions, 21024 flow. Second operand 15 states and 510 transitions. [2021-03-26 07:58:42,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 609 places, 894 transitions, 24161 flow [2021-03-26 07:58:44,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 603 places, 894 transitions, 23703 flow, removed 187 selfloop flow, removed 6 redundant places. [2021-03-26 07:58:44,059 INFO L241 Difference]: Finished difference. Result has 606 places, 880 transitions, 21877 flow [2021-03-26 07:58:44,060 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=20574, PETRI_DIFFERENCE_MINUEND_PLACES=589, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=869, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=229, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=637, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=21877, PETRI_PLACES=606, PETRI_TRANSITIONS=880} [2021-03-26 07:58:44,060 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 567 predicate places. [2021-03-26 07:58:44,060 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:58:44,060 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 606 places, 880 transitions, 21877 flow [2021-03-26 07:58:44,061 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 606 places, 880 transitions, 21877 flow [2021-03-26 07:58:44,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 606 places, 880 transitions, 21877 flow [2021-03-26 07:58:44,528 INFO L129 PetriNetUnfolder]: 736/1643 cut-off events. [2021-03-26 07:58:44,528 INFO L130 PetriNetUnfolder]: For 147086/147369 co-relation queries the response was YES. [2021-03-26 07:58:44,557 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25239 conditions, 1643 events. 736/1643 cut-off events. For 147086/147369 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 12163 event pairs, 31 based on Foata normal form. 53/1682 useless extension candidates. Maximal degree in co-relation 24961. Up to 508 conditions per place. [2021-03-26 07:58:44,583 INFO L142 LiptonReduction]: Number of co-enabled transitions 702 [2021-03-26 07:58:44,672 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:58:44,672 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:58:44,673 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 613 [2021-03-26 07:58:44,673 INFO L480 AbstractCegarLoop]: Abstraction has has 606 places, 880 transitions, 21877 flow [2021-03-26 07:58:44,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:44,674 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:58:44,674 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:58:44,674 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250 [2021-03-26 07:58:44,674 INFO L428 AbstractCegarLoop]: === Iteration 252 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:58:44,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:58:44,674 INFO L82 PathProgramCache]: Analyzing trace with hash -55547053, now seen corresponding path program 1 times [2021-03-26 07:58:44,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:58:44,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988723196] [2021-03-26 07:58:44,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:58:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:58:44,680 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:58:44,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:44,685 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:58:44,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:44,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:44,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:44,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:44,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:44,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:44,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:44,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:44,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:58:44,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:44,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:44,725 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:58:44,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:44,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:58:44,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988723196] [2021-03-26 07:58:44,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:58:44,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 07:58:44,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201176513] [2021-03-26 07:58:44,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 07:58:44,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:58:44,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 07:58:44,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-26 07:58:44,728 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 175 [2021-03-26 07:58:44,728 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 606 places, 880 transitions, 21877 flow. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:44,728 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:58:44,728 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 175 [2021-03-26 07:58:44,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:58:45,794 INFO L129 PetriNetUnfolder]: 933/1921 cut-off events. [2021-03-26 07:58:45,794 INFO L130 PetriNetUnfolder]: For 184592/184615 co-relation queries the response was YES. [2021-03-26 07:58:45,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31382 conditions, 1921 events. 933/1921 cut-off events. For 184592/184615 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 13491 event pairs, 128 based on Foata normal form. 15/1934 useless extension candidates. Maximal degree in co-relation 31098. Up to 1714 conditions per place. [2021-03-26 07:58:45,836 INFO L132 encePairwiseOnDemand]: 157/175 looper letters, 810 selfloop transitions, 64 changer transitions 1/883 dead transitions. [2021-03-26 07:58:45,836 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 612 places, 883 transitions, 23703 flow [2021-03-26 07:58:45,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 07:58:45,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 07:58:45,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 255 transitions. [2021-03-26 07:58:45,837 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20816326530612245 [2021-03-26 07:58:45,837 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 255 transitions. [2021-03-26 07:58:45,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 255 transitions. [2021-03-26 07:58:45,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:58:45,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 255 transitions. [2021-03-26 07:58:45,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 36.42857142857143) internal successors, (255), 7 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:45,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 175.0) internal successors, (1400), 8 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:45,838 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 175.0) internal successors, (1400), 8 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:45,838 INFO L185 Difference]: Start difference. First operand has 606 places, 880 transitions, 21877 flow. Second operand 7 states and 255 transitions. [2021-03-26 07:58:45,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 612 places, 883 transitions, 23703 flow [2021-03-26 07:58:46,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 607 places, 883 transitions, 23191 flow, removed 215 selfloop flow, removed 5 redundant places. [2021-03-26 07:58:47,005 INFO L241 Difference]: Finished difference. Result has 608 places, 879 transitions, 21524 flow [2021-03-26 07:58:47,005 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=21367, PETRI_DIFFERENCE_MINUEND_PLACES=601, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=880, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=816, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=21524, PETRI_PLACES=608, PETRI_TRANSITIONS=879} [2021-03-26 07:58:47,005 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 569 predicate places. [2021-03-26 07:58:47,006 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:58:47,006 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 608 places, 879 transitions, 21524 flow [2021-03-26 07:58:47,006 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 608 places, 879 transitions, 21524 flow [2021-03-26 07:58:47,013 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 608 places, 879 transitions, 21524 flow [2021-03-26 07:58:47,422 INFO L129 PetriNetUnfolder]: 736/1647 cut-off events. [2021-03-26 07:58:47,422 INFO L130 PetriNetUnfolder]: For 141646/142007 co-relation queries the response was YES. [2021-03-26 07:58:47,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25046 conditions, 1647 events. 736/1647 cut-off events. For 141646/142007 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 12191 event pairs, 26 based on Foata normal form. 57/1685 useless extension candidates. Maximal degree in co-relation 24765. Up to 504 conditions per place. [2021-03-26 07:58:47,479 INFO L142 LiptonReduction]: Number of co-enabled transitions 698 [2021-03-26 07:58:47,558 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:58:47,558 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:58:47,558 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 553 [2021-03-26 07:58:47,559 INFO L480 AbstractCegarLoop]: Abstraction has has 608 places, 879 transitions, 21524 flow [2021-03-26 07:58:47,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:47,559 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:58:47,559 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:58:47,559 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable251 [2021-03-26 07:58:47,559 INFO L428 AbstractCegarLoop]: === Iteration 253 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:58:47,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:58:47,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1067257743, now seen corresponding path program 1 times [2021-03-26 07:58:47,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:58:47,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949565670] [2021-03-26 07:58:47,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:58:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:58:47,565 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:58:47,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:47,569 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:58:47,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:47,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:47,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:47,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:47,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:47,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:47,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:47,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:47,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:47,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:47,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:47,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:47,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:58:47,634 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:58:47,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:47,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:58:47,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949565670] [2021-03-26 07:58:47,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:58:47,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 07:58:47,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744382028] [2021-03-26 07:58:47,637 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 07:58:47,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:58:47,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 07:58:47,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 07:58:47,637 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 175 [2021-03-26 07:58:47,638 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 608 places, 879 transitions, 21524 flow. Second operand has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:47,638 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:58:47,638 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 175 [2021-03-26 07:58:47,638 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:58:48,857 INFO L129 PetriNetUnfolder]: 935/1930 cut-off events. [2021-03-26 07:58:48,858 INFO L130 PetriNetUnfolder]: For 179096/179119 co-relation queries the response was YES. [2021-03-26 07:58:48,888 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31243 conditions, 1930 events. 935/1930 cut-off events. For 179096/179119 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 13580 event pairs, 146 based on Foata normal form. 12/1939 useless extension candidates. Maximal degree in co-relation 30956. Up to 1717 conditions per place. [2021-03-26 07:58:48,899 INFO L132 encePairwiseOnDemand]: 157/175 looper letters, 812 selfloop transitions, 70 changer transitions 2/892 dead transitions. [2021-03-26 07:58:48,899 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 619 places, 892 transitions, 23665 flow [2021-03-26 07:58:48,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 07:58:48,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 07:58:48,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 392 transitions. [2021-03-26 07:58:48,901 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.18666666666666668 [2021-03-26 07:58:48,901 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 392 transitions. [2021-03-26 07:58:48,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 392 transitions. [2021-03-26 07:58:48,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:58:48,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 392 transitions. [2021-03-26 07:58:48,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 32.666666666666664) internal successors, (392), 12 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:48,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 175.0) internal successors, (2275), 13 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:48,902 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 175.0) internal successors, (2275), 13 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:48,902 INFO L185 Difference]: Start difference. First operand has 608 places, 879 transitions, 21524 flow. Second operand 12 states and 392 transitions. [2021-03-26 07:58:48,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 619 places, 892 transitions, 23665 flow [2021-03-26 07:58:50,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 612 places, 892 transitions, 23487 flow, removed 1 selfloop flow, removed 7 redundant places. [2021-03-26 07:58:50,071 INFO L241 Difference]: Finished difference. Result has 617 places, 886 transitions, 21775 flow [2021-03-26 07:58:50,071 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=21362, PETRI_DIFFERENCE_MINUEND_PLACES=601, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=879, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=813, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=21775, PETRI_PLACES=617, PETRI_TRANSITIONS=886} [2021-03-26 07:58:50,071 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 578 predicate places. [2021-03-26 07:58:50,071 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:58:50,071 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 617 places, 886 transitions, 21775 flow [2021-03-26 07:58:50,071 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 617 places, 886 transitions, 21775 flow [2021-03-26 07:58:50,078 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 615 places, 886 transitions, 21775 flow [2021-03-26 07:58:50,525 INFO L129 PetriNetUnfolder]: 741/1654 cut-off events. [2021-03-26 07:58:50,526 INFO L130 PetriNetUnfolder]: For 144945/145190 co-relation queries the response was YES. [2021-03-26 07:58:50,558 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25375 conditions, 1654 events. 741/1654 cut-off events. For 144945/145190 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 12277 event pairs, 33 based on Foata normal form. 58/1696 useless extension candidates. Maximal degree in co-relation 25128. Up to 510 conditions per place. [2021-03-26 07:58:50,585 INFO L142 LiptonReduction]: Number of co-enabled transitions 698 [2021-03-26 07:58:50,852 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:58:50,852 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 07:58:50,852 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 781 [2021-03-26 07:58:50,852 INFO L480 AbstractCegarLoop]: Abstraction has has 615 places, 886 transitions, 21785 flow [2021-03-26 07:58:50,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:50,853 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:58:50,853 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:58:50,853 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable252 [2021-03-26 07:58:50,853 INFO L428 AbstractCegarLoop]: === Iteration 254 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:58:50,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:58:50,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1653340825, now seen corresponding path program 1 times [2021-03-26 07:58:50,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:58:50,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486540898] [2021-03-26 07:58:50,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:58:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:58:50,861 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:58:50,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:50,865 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:58:50,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:50,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:50,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:50,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:50,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:50,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:50,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:50,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:50,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:50,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:50,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:50,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:50,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:50,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:50,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:50,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:58:50,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486540898] [2021-03-26 07:58:50,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:58:50,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:58:50,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81557616] [2021-03-26 07:58:50,935 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:58:50,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:58:50,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:58:50,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:58:50,935 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 177 [2021-03-26 07:58:50,935 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 615 places, 886 transitions, 21785 flow. Second operand has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:50,936 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:58:50,936 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 177 [2021-03-26 07:58:50,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:58:53,014 INFO L129 PetriNetUnfolder]: 935/1933 cut-off events. [2021-03-26 07:58:53,014 INFO L130 PetriNetUnfolder]: For 183028/183051 co-relation queries the response was YES. [2021-03-26 07:58:53,046 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31406 conditions, 1933 events. 935/1933 cut-off events. For 183028/183051 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 13630 event pairs, 141 based on Foata normal form. 13/1943 useless extension candidates. Maximal degree in co-relation 31162. Up to 1640 conditions per place. [2021-03-26 07:58:53,058 INFO L132 encePairwiseOnDemand]: 151/177 looper letters, 703 selfloop transitions, 179 changer transitions 6/896 dead transitions. [2021-03-26 07:58:53,058 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 630 places, 896 transitions, 24055 flow [2021-03-26 07:58:53,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:58:53,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:58:53,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 533 transitions. [2021-03-26 07:58:53,059 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.18820621468926554 [2021-03-26 07:58:53,059 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 533 transitions. [2021-03-26 07:58:53,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 533 transitions. [2021-03-26 07:58:53,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:58:53,060 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 533 transitions. [2021-03-26 07:58:53,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.3125) internal successors, (533), 16 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:53,061 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 177.0) internal successors, (3009), 17 states have internal predecessors, (3009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:53,061 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 177.0) internal successors, (3009), 17 states have internal predecessors, (3009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:53,061 INFO L185 Difference]: Start difference. First operand has 615 places, 886 transitions, 21785 flow. Second operand 16 states and 533 transitions. [2021-03-26 07:58:53,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 630 places, 896 transitions, 24055 flow [2021-03-26 07:58:54,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 624 places, 896 transitions, 23836 flow, removed 79 selfloop flow, removed 6 redundant places. [2021-03-26 07:58:54,223 INFO L241 Difference]: Finished difference. Result has 628 places, 883 transitions, 22076 flow [2021-03-26 07:58:54,224 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=21566, PETRI_DIFFERENCE_MINUEND_PLACES=609, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=886, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=177, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=707, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=22076, PETRI_PLACES=628, PETRI_TRANSITIONS=883} [2021-03-26 07:58:54,224 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 589 predicate places. [2021-03-26 07:58:54,224 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:58:54,224 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 628 places, 883 transitions, 22076 flow [2021-03-26 07:58:54,224 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 628 places, 883 transitions, 22076 flow [2021-03-26 07:58:54,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 628 places, 883 transitions, 22076 flow [2021-03-26 07:58:54,694 INFO L129 PetriNetUnfolder]: 740/1649 cut-off events. [2021-03-26 07:58:54,694 INFO L130 PetriNetUnfolder]: For 144998/145228 co-relation queries the response was YES. [2021-03-26 07:58:54,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25609 conditions, 1649 events. 740/1649 cut-off events. For 144998/145228 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 12211 event pairs, 25 based on Foata normal form. 53/1687 useless extension candidates. Maximal degree in co-relation 25325. Up to 508 conditions per place. [2021-03-26 07:58:54,749 INFO L142 LiptonReduction]: Number of co-enabled transitions 692 [2021-03-26 07:58:54,829 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:58:54,829 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:58:54,830 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 606 [2021-03-26 07:58:54,830 INFO L480 AbstractCegarLoop]: Abstraction has has 628 places, 883 transitions, 22076 flow [2021-03-26 07:58:54,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:54,831 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:58:54,831 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:58:54,831 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable253 [2021-03-26 07:58:54,831 INFO L428 AbstractCegarLoop]: === Iteration 255 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:58:54,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:58:54,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1606319612, now seen corresponding path program 1 times [2021-03-26 07:58:54,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:58:54,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744469690] [2021-03-26 07:58:54,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:58:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:58:54,852 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:58:54,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:54,857 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:58:54,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:54,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:54,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:54,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:54,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:54,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:54,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:54,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:54,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 07:58:54,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:54,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:58:54,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:54,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:54,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:54,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:54,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:58:54,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744469690] [2021-03-26 07:58:54,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:58:54,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 07:58:54,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505249906] [2021-03-26 07:58:54,912 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 07:58:54,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:58:54,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 07:58:54,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 07:58:54,913 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 177 [2021-03-26 07:58:54,913 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 628 places, 883 transitions, 22076 flow. Second operand has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:54,913 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:58:54,913 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 177 [2021-03-26 07:58:54,913 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:58:56,293 INFO L129 PetriNetUnfolder]: 932/1922 cut-off events. [2021-03-26 07:58:56,293 INFO L130 PetriNetUnfolder]: For 184339/184362 co-relation queries the response was YES. [2021-03-26 07:58:56,330 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31585 conditions, 1922 events. 932/1922 cut-off events. For 184339/184362 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 13487 event pairs, 142 based on Foata normal form. 12/1931 useless extension candidates. Maximal degree in co-relation 31293. Up to 1635 conditions per place. [2021-03-26 07:58:56,343 INFO L132 encePairwiseOnDemand]: 150/177 looper letters, 692 selfloop transitions, 186 changer transitions 4/890 dead transitions. [2021-03-26 07:58:56,343 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 637 places, 890 transitions, 24119 flow [2021-03-26 07:58:56,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 07:58:56,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 07:58:56,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 340 transitions. [2021-03-26 07:58:56,345 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.192090395480226 [2021-03-26 07:58:56,345 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 340 transitions. [2021-03-26 07:58:56,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 340 transitions. [2021-03-26 07:58:56,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:58:56,345 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 340 transitions. [2021-03-26 07:58:56,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:56,346 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 177.0) internal successors, (1947), 11 states have internal predecessors, (1947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:56,346 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 177.0) internal successors, (1947), 11 states have internal predecessors, (1947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:56,346 INFO L185 Difference]: Start difference. First operand has 628 places, 883 transitions, 22076 flow. Second operand 10 states and 340 transitions. [2021-03-26 07:58:56,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 637 places, 890 transitions, 24119 flow [2021-03-26 07:58:57,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 620 places, 890 transitions, 23745 flow, removed 4 selfloop flow, removed 17 redundant places. [2021-03-26 07:58:57,606 INFO L241 Difference]: Finished difference. Result has 624 places, 882 transitions, 22188 flow [2021-03-26 07:58:57,607 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=21702, PETRI_DIFFERENCE_MINUEND_PLACES=611, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=883, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=186, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=697, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=22188, PETRI_PLACES=624, PETRI_TRANSITIONS=882} [2021-03-26 07:58:57,607 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 585 predicate places. [2021-03-26 07:58:57,610 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:58:57,612 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 624 places, 882 transitions, 22188 flow [2021-03-26 07:58:57,615 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 624 places, 882 transitions, 22188 flow [2021-03-26 07:58:57,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 622 places, 882 transitions, 22188 flow [2021-03-26 07:58:58,043 INFO L129 PetriNetUnfolder]: 738/1644 cut-off events. [2021-03-26 07:58:58,043 INFO L130 PetriNetUnfolder]: For 147313/147542 co-relation queries the response was YES. [2021-03-26 07:58:58,072 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25663 conditions, 1644 events. 738/1644 cut-off events. For 147313/147542 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 12167 event pairs, 37 based on Foata normal form. 35/1661 useless extension candidates. Maximal degree in co-relation 25413. Up to 508 conditions per place. [2021-03-26 07:58:58,098 INFO L142 LiptonReduction]: Number of co-enabled transitions 692 [2021-03-26 07:58:58,186 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:58:58,186 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:58:58,188 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 580 [2021-03-26 07:58:58,194 INFO L480 AbstractCegarLoop]: Abstraction has has 622 places, 882 transitions, 22188 flow [2021-03-26 07:58:58,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:58,197 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:58:58,197 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:58:58,197 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable254 [2021-03-26 07:58:58,197 INFO L428 AbstractCegarLoop]: === Iteration 256 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:58:58,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:58:58,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1034149773, now seen corresponding path program 1 times [2021-03-26 07:58:58,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:58:58,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222706123] [2021-03-26 07:58:58,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:58:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:58:58,216 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:58:58,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:58,221 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:58:58,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:58:58,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:58,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:58,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:58,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:58:58,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:58,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:58,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:58,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:58:58,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:58,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 07:58:58,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:58,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:58,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:58:58,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:58:58,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:58:58,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222706123] [2021-03-26 07:58:58,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:58:58,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:58:58,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574449384] [2021-03-26 07:58:58,284 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:58:58,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:58:58,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:58:58,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:58:58,285 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 177 [2021-03-26 07:58:58,285 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 622 places, 882 transitions, 22188 flow. Second operand has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:58,285 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:58:58,285 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 177 [2021-03-26 07:58:58,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:58:59,563 INFO L129 PetriNetUnfolder]: 931/1922 cut-off events. [2021-03-26 07:58:59,563 INFO L130 PetriNetUnfolder]: For 187237/187260 co-relation queries the response was YES. [2021-03-26 07:58:59,592 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31707 conditions, 1922 events. 931/1922 cut-off events. For 187237/187260 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 13523 event pairs, 140 based on Foata normal form. 12/1931 useless extension candidates. Maximal degree in co-relation 31455. Up to 1713 conditions per place. [2021-03-26 07:58:59,602 INFO L132 encePairwiseOnDemand]: 158/177 looper letters, 805 selfloop transitions, 68 changer transitions 5/886 dead transitions. [2021-03-26 07:58:59,602 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 634 places, 886 transitions, 24028 flow [2021-03-26 07:58:59,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:58:59,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:58:59,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 414 transitions. [2021-03-26 07:58:59,604 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17992177314211213 [2021-03-26 07:58:59,604 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 414 transitions. [2021-03-26 07:58:59,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 414 transitions. [2021-03-26 07:58:59,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:58:59,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 414 transitions. [2021-03-26 07:58:59,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.846153846153847) internal successors, (414), 13 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:59,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 177.0) internal successors, (2478), 14 states have internal predecessors, (2478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:59,605 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 177.0) internal successors, (2478), 14 states have internal predecessors, (2478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:58:59,605 INFO L185 Difference]: Start difference. First operand has 622 places, 882 transitions, 22188 flow. Second operand 13 states and 414 transitions. [2021-03-26 07:58:59,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 634 places, 886 transitions, 24028 flow [2021-03-26 07:59:00,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 623 places, 886 transitions, 23518 flow, removed 4 selfloop flow, removed 11 redundant places. [2021-03-26 07:59:00,739 INFO L241 Difference]: Finished difference. Result has 626 places, 879 transitions, 21782 flow [2021-03-26 07:59:00,739 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=21678, PETRI_DIFFERENCE_MINUEND_PLACES=611, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=882, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=814, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=21782, PETRI_PLACES=626, PETRI_TRANSITIONS=879} [2021-03-26 07:59:00,740 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 587 predicate places. [2021-03-26 07:59:00,740 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:59:00,740 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 626 places, 879 transitions, 21782 flow [2021-03-26 07:59:00,740 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 626 places, 879 transitions, 21782 flow [2021-03-26 07:59:00,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 622 places, 879 transitions, 21782 flow [2021-03-26 07:59:01,120 INFO L129 PetriNetUnfolder]: 736/1645 cut-off events. [2021-03-26 07:59:01,120 INFO L130 PetriNetUnfolder]: For 146251/146531 co-relation queries the response was YES. [2021-03-26 07:59:01,157 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25395 conditions, 1645 events. 736/1645 cut-off events. For 146251/146531 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 12234 event pairs, 33 based on Foata normal form. 58/1687 useless extension candidates. Maximal degree in co-relation 25131. Up to 507 conditions per place. [2021-03-26 07:59:01,184 INFO L142 LiptonReduction]: Number of co-enabled transitions 688 [2021-03-26 07:59:01,280 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:59:01,280 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:59:01,280 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 540 [2021-03-26 07:59:01,281 INFO L480 AbstractCegarLoop]: Abstraction has has 622 places, 879 transitions, 21782 flow [2021-03-26 07:59:01,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:01,281 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:59:01,281 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:59:01,281 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable255 [2021-03-26 07:59:01,281 INFO L428 AbstractCegarLoop]: === Iteration 257 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:59:01,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:59:01,281 INFO L82 PathProgramCache]: Analyzing trace with hash 538431663, now seen corresponding path program 2 times [2021-03-26 07:59:01,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:59:01,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168860118] [2021-03-26 07:59:01,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:59:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:59:01,287 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:59:01,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:59:01,293 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:59:01,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:01,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:01,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:01,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:01,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:59:01,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:01,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:01,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:01,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:01,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:01,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:01,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:01,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:59:01,362 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:59:01,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:59:01,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:59:01,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168860118] [2021-03-26 07:59:01,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:59:01,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:59:01,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324147208] [2021-03-26 07:59:01,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:59:01,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:59:01,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:59:01,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:59:01,367 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 177 [2021-03-26 07:59:01,367 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 622 places, 879 transitions, 21782 flow. Second operand has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:01,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:59:01,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 177 [2021-03-26 07:59:01,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:59:02,985 INFO L129 PetriNetUnfolder]: 932/1924 cut-off events. [2021-03-26 07:59:02,985 INFO L130 PetriNetUnfolder]: For 183107/183130 co-relation queries the response was YES. [2021-03-26 07:59:03,020 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31444 conditions, 1924 events. 932/1924 cut-off events. For 183107/183130 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 13570 event pairs, 112 based on Foata normal form. 12/1933 useless extension candidates. Maximal degree in co-relation 31171. Up to 1708 conditions per place. [2021-03-26 07:59:03,032 INFO L132 encePairwiseOnDemand]: 159/177 looper letters, 804 selfloop transitions, 75 changer transitions 2/889 dead transitions. [2021-03-26 07:59:03,032 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 634 places, 889 transitions, 23834 flow [2021-03-26 07:59:03,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:59:03,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:59:03,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 416 transitions. [2021-03-26 07:59:03,033 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1807909604519774 [2021-03-26 07:59:03,034 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 416 transitions. [2021-03-26 07:59:03,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 416 transitions. [2021-03-26 07:59:03,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:59:03,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 416 transitions. [2021-03-26 07:59:03,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.0) internal successors, (416), 13 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:03,035 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 177.0) internal successors, (2478), 14 states have internal predecessors, (2478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:03,035 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 177.0) internal successors, (2478), 14 states have internal predecessors, (2478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:03,035 INFO L185 Difference]: Start difference. First operand has 622 places, 879 transitions, 21782 flow. Second operand 13 states and 416 transitions. [2021-03-26 07:59:03,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 634 places, 889 transitions, 23834 flow [2021-03-26 07:59:04,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 624 places, 889 transitions, 23710 flow, removed 3 selfloop flow, removed 10 redundant places. [2021-03-26 07:59:04,293 INFO L241 Difference]: Finished difference. Result has 627 places, 883 transitions, 21979 flow [2021-03-26 07:59:04,293 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=21666, PETRI_DIFFERENCE_MINUEND_PLACES=612, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=879, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=807, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=21979, PETRI_PLACES=627, PETRI_TRANSITIONS=883} [2021-03-26 07:59:04,293 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 588 predicate places. [2021-03-26 07:59:04,293 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:59:04,293 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 627 places, 883 transitions, 21979 flow [2021-03-26 07:59:04,294 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 627 places, 883 transitions, 21979 flow [2021-03-26 07:59:04,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 625 places, 883 transitions, 21979 flow [2021-03-26 07:59:04,770 INFO L129 PetriNetUnfolder]: 739/1652 cut-off events. [2021-03-26 07:59:04,770 INFO L130 PetriNetUnfolder]: For 147808/148091 co-relation queries the response was YES. [2021-03-26 07:59:04,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25547 conditions, 1652 events. 739/1652 cut-off events. For 147808/148091 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 12281 event pairs, 32 based on Foata normal form. 56/1693 useless extension candidates. Maximal degree in co-relation 25298. Up to 511 conditions per place. [2021-03-26 07:59:04,909 INFO L142 LiptonReduction]: Number of co-enabled transitions 688 [2021-03-26 07:59:04,990 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:59:04,990 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:59:04,990 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 697 [2021-03-26 07:59:04,991 INFO L480 AbstractCegarLoop]: Abstraction has has 625 places, 883 transitions, 21979 flow [2021-03-26 07:59:04,991 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:04,991 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:59:04,991 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:59:04,991 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable256 [2021-03-26 07:59:04,991 INFO L428 AbstractCegarLoop]: === Iteration 258 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:59:04,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:59:04,991 INFO L82 PathProgramCache]: Analyzing trace with hash -555542734, now seen corresponding path program 1 times [2021-03-26 07:59:04,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:59:04,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895356032] [2021-03-26 07:59:04,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:59:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:59:04,998 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:59:04,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:59:05,002 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:59:05,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:05,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:05,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:05,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:05,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:05,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:05,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:05,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:05,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:05,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:05,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:05,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:05,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:59:05,070 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:59:05,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:59:05,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:59:05,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895356032] [2021-03-26 07:59:05,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:59:05,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:59:05,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575614509] [2021-03-26 07:59:05,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:59:05,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:59:05,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:59:05,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:59:05,073 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 177 [2021-03-26 07:59:05,074 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 625 places, 883 transitions, 21979 flow. Second operand has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:05,074 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:59:05,074 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 177 [2021-03-26 07:59:05,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:59:06,571 INFO L129 PetriNetUnfolder]: 931/1925 cut-off events. [2021-03-26 07:59:06,572 INFO L130 PetriNetUnfolder]: For 186211/186241 co-relation queries the response was YES. [2021-03-26 07:59:06,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31529 conditions, 1925 events. 931/1925 cut-off events. For 186211/186241 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 13559 event pairs, 146 based on Foata normal form. 19/1941 useless extension candidates. Maximal degree in co-relation 31281. Up to 1731 conditions per place. [2021-03-26 07:59:06,620 INFO L132 encePairwiseOnDemand]: 159/177 looper letters, 829 selfloop transitions, 50 changer transitions 3/890 dead transitions. [2021-03-26 07:59:06,620 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 637 places, 890 transitions, 23990 flow [2021-03-26 07:59:06,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:59:06,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:59:06,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 407 transitions. [2021-03-26 07:59:06,622 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17687961755758366 [2021-03-26 07:59:06,622 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 407 transitions. [2021-03-26 07:59:06,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 407 transitions. [2021-03-26 07:59:06,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:59:06,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 407 transitions. [2021-03-26 07:59:06,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.307692307692307) internal successors, (407), 13 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:06,623 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 177.0) internal successors, (2478), 14 states have internal predecessors, (2478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:06,623 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 177.0) internal successors, (2478), 14 states have internal predecessors, (2478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:06,623 INFO L185 Difference]: Start difference. First operand has 625 places, 883 transitions, 21979 flow. Second operand 13 states and 407 transitions. [2021-03-26 07:59:06,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 637 places, 890 transitions, 23990 flow [2021-03-26 07:59:08,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 628 places, 890 transitions, 23780 flow, removed 54 selfloop flow, removed 9 redundant places. [2021-03-26 07:59:08,070 INFO L241 Difference]: Finished difference. Result has 630 places, 883 transitions, 21955 flow [2021-03-26 07:59:08,071 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=21773, PETRI_DIFFERENCE_MINUEND_PLACES=616, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=883, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=833, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=21955, PETRI_PLACES=630, PETRI_TRANSITIONS=883} [2021-03-26 07:59:08,071 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 591 predicate places. [2021-03-26 07:59:08,071 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:59:08,071 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 630 places, 883 transitions, 21955 flow [2021-03-26 07:59:08,071 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 630 places, 883 transitions, 21955 flow [2021-03-26 07:59:08,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 627 places, 883 transitions, 21955 flow [2021-03-26 07:59:08,581 INFO L129 PetriNetUnfolder]: 736/1647 cut-off events. [2021-03-26 07:59:08,581 INFO L130 PetriNetUnfolder]: For 148333/148599 co-relation queries the response was YES. [2021-03-26 07:59:08,615 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25496 conditions, 1647 events. 736/1647 cut-off events. For 148333/148599 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 12236 event pairs, 32 based on Foata normal form. 58/1691 useless extension candidates. Maximal degree in co-relation 25232. Up to 505 conditions per place. [2021-03-26 07:59:08,643 INFO L142 LiptonReduction]: Number of co-enabled transitions 684 [2021-03-26 07:59:08,730 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:59:08,730 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:59:08,730 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 659 [2021-03-26 07:59:08,730 INFO L480 AbstractCegarLoop]: Abstraction has has 627 places, 883 transitions, 21955 flow [2021-03-26 07:59:08,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:08,730 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:59:08,730 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:59:08,730 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable257 [2021-03-26 07:59:08,731 INFO L428 AbstractCegarLoop]: === Iteration 259 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:59:08,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:59:08,731 INFO L82 PathProgramCache]: Analyzing trace with hash 932936989, now seen corresponding path program 2 times [2021-03-26 07:59:08,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:59:08,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265235384] [2021-03-26 07:59:08,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:59:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:59:08,737 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:59:08,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:59:08,741 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:59:08,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:08,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:08,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:08,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:08,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:59:08,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:08,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:08,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:08,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:08,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:08,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:08,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:08,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:08,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:08,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:59:08,825 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:59:08,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:59:08,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:59:08,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265235384] [2021-03-26 07:59:08,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:59:08,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:59:08,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987435861] [2021-03-26 07:59:08,828 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:59:08,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:59:08,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:59:08,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:59:08,828 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 177 [2021-03-26 07:59:08,829 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 627 places, 883 transitions, 21955 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:08,829 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:59:08,829 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 177 [2021-03-26 07:59:08,829 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:59:10,287 INFO L129 PetriNetUnfolder]: 930/1922 cut-off events. [2021-03-26 07:59:10,288 INFO L130 PetriNetUnfolder]: For 186530/186553 co-relation queries the response was YES. [2021-03-26 07:59:10,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31500 conditions, 1922 events. 930/1922 cut-off events. For 186530/186553 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 13528 event pairs, 131 based on Foata normal form. 12/1931 useless extension candidates. Maximal degree in co-relation 31229. Up to 1659 conditions per place. [2021-03-26 07:59:10,326 INFO L132 encePairwiseOnDemand]: 152/177 looper letters, 710 selfloop transitions, 160 changer transitions 9/887 dead transitions. [2021-03-26 07:59:10,326 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 641 places, 887 transitions, 23935 flow [2021-03-26 07:59:10,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 07:59:10,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 07:59:10,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 466 transitions. [2021-03-26 07:59:10,328 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17551789077212807 [2021-03-26 07:59:10,328 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 466 transitions. [2021-03-26 07:59:10,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 466 transitions. [2021-03-26 07:59:10,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:59:10,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 466 transitions. [2021-03-26 07:59:10,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.066666666666666) internal successors, (466), 15 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:10,329 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 177.0) internal successors, (2832), 16 states have internal predecessors, (2832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:10,330 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 177.0) internal successors, (2832), 16 states have internal predecessors, (2832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:10,330 INFO L185 Difference]: Start difference. First operand has 627 places, 883 transitions, 21955 flow. Second operand 15 states and 466 transitions. [2021-03-26 07:59:10,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 641 places, 887 transitions, 23935 flow [2021-03-26 07:59:11,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 630 places, 887 transitions, 23757 flow, removed 42 selfloop flow, removed 11 redundant places. [2021-03-26 07:59:11,575 INFO L241 Difference]: Finished difference. Result has 633 places, 876 transitions, 22040 flow [2021-03-26 07:59:11,576 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=21779, PETRI_DIFFERENCE_MINUEND_PLACES=616, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=883, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=160, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=723, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=22040, PETRI_PLACES=633, PETRI_TRANSITIONS=876} [2021-03-26 07:59:11,576 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 594 predicate places. [2021-03-26 07:59:11,576 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:59:11,576 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 633 places, 876 transitions, 22040 flow [2021-03-26 07:59:11,576 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 633 places, 876 transitions, 22040 flow [2021-03-26 07:59:11,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 623 places, 876 transitions, 22040 flow [2021-03-26 07:59:11,978 INFO L129 PetriNetUnfolder]: 735/1639 cut-off events. [2021-03-26 07:59:11,979 INFO L130 PetriNetUnfolder]: For 149497/149727 co-relation queries the response was YES. [2021-03-26 07:59:12,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25684 conditions, 1639 events. 735/1639 cut-off events. For 149497/149727 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 12122 event pairs, 35 based on Foata normal form. 30/1651 useless extension candidates. Maximal degree in co-relation 25419. Up to 508 conditions per place. [2021-03-26 07:59:12,039 INFO L142 LiptonReduction]: Number of co-enabled transitions 684 [2021-03-26 07:59:12,128 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:59:12,128 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:59:12,128 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 552 [2021-03-26 07:59:12,129 INFO L480 AbstractCegarLoop]: Abstraction has has 623 places, 876 transitions, 22040 flow [2021-03-26 07:59:12,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:12,129 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:59:12,129 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:59:12,129 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable258 [2021-03-26 07:59:12,129 INFO L428 AbstractCegarLoop]: === Iteration 260 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:59:12,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:59:12,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1383718315, now seen corresponding path program 1 times [2021-03-26 07:59:12,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:59:12,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121161872] [2021-03-26 07:59:12,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:59:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:59:12,139 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:59:12,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:59:12,144 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:59:12,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:12,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:12,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:12,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:12,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:12,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:12,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:59:12,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:12,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:12,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:12,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:12,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:12,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:59:12,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:12,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:59:12,212 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:59:12,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:59:12,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:59:12,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121161872] [2021-03-26 07:59:12,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:59:12,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:59:12,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476628642] [2021-03-26 07:59:12,215 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:59:12,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:59:12,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:59:12,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:59:12,216 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 177 [2021-03-26 07:59:12,216 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 623 places, 876 transitions, 22040 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:12,216 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:59:12,216 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 177 [2021-03-26 07:59:12,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:59:14,256 INFO L129 PetriNetUnfolder]: 930/1921 cut-off events. [2021-03-26 07:59:14,256 INFO L130 PetriNetUnfolder]: For 192325/192348 co-relation queries the response was YES. [2021-03-26 07:59:14,293 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31876 conditions, 1921 events. 930/1921 cut-off events. For 192325/192348 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 13501 event pairs, 137 based on Foata normal form. 12/1930 useless extension candidates. Maximal degree in co-relation 31604. Up to 1649 conditions per place. [2021-03-26 07:59:14,306 INFO L132 encePairwiseOnDemand]: 154/177 looper letters, 714 selfloop transitions, 160 changer transitions 9/891 dead transitions. [2021-03-26 07:59:14,306 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 638 places, 891 transitions, 24596 flow [2021-03-26 07:59:14,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 07:59:14,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 07:59:14,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 511 transitions. [2021-03-26 07:59:14,308 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.18043785310734464 [2021-03-26 07:59:14,308 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 511 transitions. [2021-03-26 07:59:14,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 511 transitions. [2021-03-26 07:59:14,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:59:14,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 511 transitions. [2021-03-26 07:59:14,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.9375) internal successors, (511), 16 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:14,309 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 177.0) internal successors, (3009), 17 states have internal predecessors, (3009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:14,310 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 177.0) internal successors, (3009), 17 states have internal predecessors, (3009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:14,310 INFO L185 Difference]: Start difference. First operand has 623 places, 876 transitions, 22040 flow. Second operand 16 states and 511 transitions. [2021-03-26 07:59:14,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 638 places, 891 transitions, 24596 flow [2021-03-26 07:59:15,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 626 places, 891 transitions, 24252 flow, removed 13 selfloop flow, removed 12 redundant places. [2021-03-26 07:59:15,661 INFO L241 Difference]: Finished difference. Result has 634 places, 878 transitions, 22248 flow [2021-03-26 07:59:15,662 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=21710, PETRI_DIFFERENCE_MINUEND_PLACES=611, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=876, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=716, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=22248, PETRI_PLACES=634, PETRI_TRANSITIONS=878} [2021-03-26 07:59:15,662 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 595 predicate places. [2021-03-26 07:59:15,662 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:59:15,662 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 634 places, 878 transitions, 22248 flow [2021-03-26 07:59:15,662 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 634 places, 878 transitions, 22248 flow [2021-03-26 07:59:15,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 628 places, 878 transitions, 22248 flow [2021-03-26 07:59:16,163 INFO L129 PetriNetUnfolder]: 731/1634 cut-off events. [2021-03-26 07:59:16,164 INFO L130 PetriNetUnfolder]: For 155950/156157 co-relation queries the response was YES. [2021-03-26 07:59:16,195 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25831 conditions, 1634 events. 731/1634 cut-off events. For 155950/156157 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 12069 event pairs, 27 based on Foata normal form. 30/1649 useless extension candidates. Maximal degree in co-relation 25563. Up to 506 conditions per place. [2021-03-26 07:59:16,223 INFO L142 LiptonReduction]: Number of co-enabled transitions 682 [2021-03-26 07:59:16,410 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:59:16,410 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:59:16,411 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 749 [2021-03-26 07:59:16,411 INFO L480 AbstractCegarLoop]: Abstraction has has 628 places, 878 transitions, 22248 flow [2021-03-26 07:59:16,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:16,411 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:59:16,411 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:59:16,411 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable259 [2021-03-26 07:59:16,411 INFO L428 AbstractCegarLoop]: === Iteration 261 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:59:16,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:59:16,411 INFO L82 PathProgramCache]: Analyzing trace with hash 2037508301, now seen corresponding path program 2 times [2021-03-26 07:59:16,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:59:16,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996305899] [2021-03-26 07:59:16,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:59:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:59:16,418 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:59:16,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:59:16,429 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:59:16,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:16,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:16,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:16,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:16,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:16,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:16,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:59:16,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:16,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:16,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:16,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:16,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:16,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:16,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:16,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:59:16,511 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:59:16,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:59:16,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:59:16,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996305899] [2021-03-26 07:59:16,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:59:16,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:59:16,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987374045] [2021-03-26 07:59:16,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:59:16,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:59:16,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:59:16,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:59:16,516 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 177 [2021-03-26 07:59:16,516 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 628 places, 878 transitions, 22248 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:16,516 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:59:16,516 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 177 [2021-03-26 07:59:16,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:59:18,294 INFO L129 PetriNetUnfolder]: 932/1931 cut-off events. [2021-03-26 07:59:18,294 INFO L130 PetriNetUnfolder]: For 206581/206604 co-relation queries the response was YES. [2021-03-26 07:59:18,327 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32580 conditions, 1931 events. 932/1931 cut-off events. For 206581/206604 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 13619 event pairs, 136 based on Foata normal form. 13/1941 useless extension candidates. Maximal degree in co-relation 32305. Up to 1604 conditions per place. [2021-03-26 07:59:18,338 INFO L132 encePairwiseOnDemand]: 151/177 looper letters, 665 selfloop transitions, 215 changer transitions 8/896 dead transitions. [2021-03-26 07:59:18,339 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 640 places, 896 transitions, 25212 flow [2021-03-26 07:59:18,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:59:18,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:59:18,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 440 transitions. [2021-03-26 07:59:18,340 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1912212081703607 [2021-03-26 07:59:18,340 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 440 transitions. [2021-03-26 07:59:18,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 440 transitions. [2021-03-26 07:59:18,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:59:18,340 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 440 transitions. [2021-03-26 07:59:18,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 33.84615384615385) internal successors, (440), 13 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:18,341 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 177.0) internal successors, (2478), 14 states have internal predecessors, (2478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:18,341 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 177.0) internal successors, (2478), 14 states have internal predecessors, (2478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:18,342 INFO L185 Difference]: Start difference. First operand has 628 places, 878 transitions, 22248 flow. Second operand 13 states and 440 transitions. [2021-03-26 07:59:18,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 640 places, 896 transitions, 25212 flow [2021-03-26 07:59:19,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 629 places, 896 transitions, 24849 flow, removed 72 selfloop flow, removed 11 redundant places. [2021-03-26 07:59:19,704 INFO L241 Difference]: Finished difference. Result has 632 places, 882 transitions, 23042 flow [2021-03-26 07:59:19,705 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=21935, PETRI_DIFFERENCE_MINUEND_PLACES=617, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=878, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=208, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=669, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=23042, PETRI_PLACES=632, PETRI_TRANSITIONS=882} [2021-03-26 07:59:19,705 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 593 predicate places. [2021-03-26 07:59:19,705 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:59:19,705 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 632 places, 882 transitions, 23042 flow [2021-03-26 07:59:19,705 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 632 places, 882 transitions, 23042 flow [2021-03-26 07:59:19,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 632 places, 882 transitions, 23042 flow [2021-03-26 07:59:20,161 INFO L129 PetriNetUnfolder]: 735/1640 cut-off events. [2021-03-26 07:59:20,162 INFO L130 PetriNetUnfolder]: For 162678/162911 co-relation queries the response was YES. [2021-03-26 07:59:20,190 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26432 conditions, 1640 events. 735/1640 cut-off events. For 162678/162911 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 12196 event pairs, 32 based on Foata normal form. 23/1642 useless extension candidates. Maximal degree in co-relation 26154. Up to 517 conditions per place. [2021-03-26 07:59:20,216 INFO L142 LiptonReduction]: Number of co-enabled transitions 684 [2021-03-26 07:59:20,440 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:59:20,440 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:59:20,441 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 736 [2021-03-26 07:59:20,441 INFO L480 AbstractCegarLoop]: Abstraction has has 632 places, 882 transitions, 23091 flow [2021-03-26 07:59:20,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:20,441 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:59:20,441 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:59:20,441 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable260 [2021-03-26 07:59:20,441 INFO L428 AbstractCegarLoop]: === Iteration 262 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:59:20,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:59:20,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1316607551, now seen corresponding path program 4 times [2021-03-26 07:59:20,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:59:20,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494351392] [2021-03-26 07:59:20,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:59:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:59:20,447 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:59:20,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:59:20,453 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:59:20,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:20,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:20,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:20,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:20,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:20,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:20,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:20,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:20,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:20,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:20,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:20,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:20,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:20,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:20,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:59:20,551 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:59:20,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:59:20,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:59:20,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494351392] [2021-03-26 07:59:20,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:59:20,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:59:20,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221961596] [2021-03-26 07:59:20,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:59:20,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:59:20,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:59:20,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:59:20,555 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 178 [2021-03-26 07:59:20,555 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 632 places, 882 transitions, 23091 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:20,555 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:59:20,555 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 178 [2021-03-26 07:59:20,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:59:22,052 INFO L129 PetriNetUnfolder]: 935/1938 cut-off events. [2021-03-26 07:59:22,052 INFO L130 PetriNetUnfolder]: For 209601/209624 co-relation queries the response was YES. [2021-03-26 07:59:22,082 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33028 conditions, 1938 events. 935/1938 cut-off events. For 209601/209624 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 13729 event pairs, 147 based on Foata normal form. 12/1947 useless extension candidates. Maximal degree in co-relation 32755. Up to 1747 conditions per place. [2021-03-26 07:59:22,094 INFO L132 encePairwiseOnDemand]: 159/178 looper letters, 841 selfloop transitions, 48 changer transitions 2/899 dead transitions. [2021-03-26 07:59:22,094 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 644 places, 899 transitions, 25632 flow [2021-03-26 07:59:22,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:59:22,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:59:22,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 407 transitions. [2021-03-26 07:59:22,096 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17588591184096802 [2021-03-26 07:59:22,096 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 407 transitions. [2021-03-26 07:59:22,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 407 transitions. [2021-03-26 07:59:22,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:59:22,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 407 transitions. [2021-03-26 07:59:22,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.307692307692307) internal successors, (407), 13 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:22,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 178.0) internal successors, (2492), 14 states have internal predecessors, (2492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:22,097 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 178.0) internal successors, (2492), 14 states have internal predecessors, (2492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:22,097 INFO L185 Difference]: Start difference. First operand has 632 places, 882 transitions, 23091 flow. Second operand 13 states and 407 transitions. [2021-03-26 07:59:22,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 644 places, 899 transitions, 25632 flow [2021-03-26 07:59:23,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 631 places, 899 transitions, 24699 flow, removed 282 selfloop flow, removed 13 redundant places. [2021-03-26 07:59:23,643 INFO L241 Difference]: Finished difference. Result has 638 places, 891 transitions, 22630 flow [2021-03-26 07:59:23,643 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=22182, PETRI_DIFFERENCE_MINUEND_PLACES=619, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=882, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=835, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=22630, PETRI_PLACES=638, PETRI_TRANSITIONS=891} [2021-03-26 07:59:23,643 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 599 predicate places. [2021-03-26 07:59:23,643 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:59:23,643 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 638 places, 891 transitions, 22630 flow [2021-03-26 07:59:23,644 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 638 places, 891 transitions, 22630 flow [2021-03-26 07:59:23,652 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 636 places, 891 transitions, 22630 flow [2021-03-26 07:59:24,203 INFO L129 PetriNetUnfolder]: 738/1664 cut-off events. [2021-03-26 07:59:24,203 INFO L130 PetriNetUnfolder]: For 159527/159768 co-relation queries the response was YES. [2021-03-26 07:59:24,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26447 conditions, 1664 events. 738/1664 cut-off events. For 159527/159768 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 12501 event pairs, 27 based on Foata normal form. 52/1702 useless extension candidates. Maximal degree in co-relation 26170. Up to 518 conditions per place. [2021-03-26 07:59:24,264 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 07:59:24,356 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:59:24,356 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:59:24,356 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 713 [2021-03-26 07:59:24,357 INFO L480 AbstractCegarLoop]: Abstraction has has 636 places, 891 transitions, 22630 flow [2021-03-26 07:59:24,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:24,357 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:59:24,357 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:59:24,357 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable261 [2021-03-26 07:59:24,357 INFO L428 AbstractCegarLoop]: === Iteration 263 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:59:24,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:59:24,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1868645993, now seen corresponding path program 1 times [2021-03-26 07:59:24,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:59:24,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913475000] [2021-03-26 07:59:24,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:59:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:59:24,365 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:59:24,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:59:24,372 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:59:24,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:24,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:24,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:59:24,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:24,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 07:59:24,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:24,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:59:24,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:24,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 07:59:24,432 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 07:59:24,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 07:59:24,466 INFO L142 QuantifierPusher]: treesize reduction 35, result has 44.4 percent of original size [2021-03-26 07:59:24,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 07:59:24,470 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 07:59:24,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:24,489 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:59:24,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:59:24,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:59:24,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913475000] [2021-03-26 07:59:24,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:59:24,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 07:59:24,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611887159] [2021-03-26 07:59:24,493 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 07:59:24,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:59:24,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 07:59:24,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 07:59:24,494 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 178 [2021-03-26 07:59:24,494 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 636 places, 891 transitions, 22630 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:24,494 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:59:24,494 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 178 [2021-03-26 07:59:24,494 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:59:26,634 INFO L129 PetriNetUnfolder]: 934/1940 cut-off events. [2021-03-26 07:59:26,634 INFO L130 PetriNetUnfolder]: For 199627/199650 co-relation queries the response was YES. [2021-03-26 07:59:26,670 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32425 conditions, 1940 events. 934/1940 cut-off events. For 199627/199650 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 13725 event pairs, 117 based on Foata normal form. 15/1953 useless extension candidates. Maximal degree in co-relation 32149. Up to 1627 conditions per place. [2021-03-26 07:59:26,681 INFO L132 encePairwiseOnDemand]: 157/178 looper letters, 728 selfloop transitions, 166 changer transitions 5/907 dead transitions. [2021-03-26 07:59:26,681 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 646 places, 907 transitions, 25088 flow [2021-03-26 07:59:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 07:59:26,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 07:59:26,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 384 transitions. [2021-03-26 07:59:26,682 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1961184882533197 [2021-03-26 07:59:26,682 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 384 transitions. [2021-03-26 07:59:26,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 384 transitions. [2021-03-26 07:59:26,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:59:26,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 384 transitions. [2021-03-26 07:59:26,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 34.90909090909091) internal successors, (384), 11 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:26,683 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 178.0) internal successors, (2136), 12 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:26,683 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 178.0) internal successors, (2136), 12 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:26,684 INFO L185 Difference]: Start difference. First operand has 636 places, 891 transitions, 22630 flow. Second operand 11 states and 384 transitions. [2021-03-26 07:59:26,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 646 places, 907 transitions, 25088 flow [2021-03-26 07:59:28,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 640 places, 907 transitions, 24858 flow, removed 91 selfloop flow, removed 6 redundant places. [2021-03-26 07:59:28,061 INFO L241 Difference]: Finished difference. Result has 642 places, 889 transitions, 22773 flow [2021-03-26 07:59:28,061 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=22400, PETRI_DIFFERENCE_MINUEND_PLACES=630, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=891, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=166, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=725, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=22773, PETRI_PLACES=642, PETRI_TRANSITIONS=889} [2021-03-26 07:59:28,061 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 603 predicate places. [2021-03-26 07:59:28,061 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:59:28,061 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 642 places, 889 transitions, 22773 flow [2021-03-26 07:59:28,061 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 642 places, 889 transitions, 22773 flow [2021-03-26 07:59:28,069 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 641 places, 889 transitions, 22773 flow [2021-03-26 07:59:28,572 INFO L129 PetriNetUnfolder]: 737/1657 cut-off events. [2021-03-26 07:59:28,572 INFO L130 PetriNetUnfolder]: For 158904/159172 co-relation queries the response was YES. [2021-03-26 07:59:28,598 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26530 conditions, 1657 events. 737/1657 cut-off events. For 158904/159172 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 12375 event pairs, 31 based on Foata normal form. 51/1689 useless extension candidates. Maximal degree in co-relation 26252. Up to 516 conditions per place. [2021-03-26 07:59:28,621 INFO L142 LiptonReduction]: Number of co-enabled transitions 684 [2021-03-26 07:59:28,700 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:59:28,700 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:59:28,700 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 639 [2021-03-26 07:59:28,701 INFO L480 AbstractCegarLoop]: Abstraction has has 641 places, 889 transitions, 22773 flow [2021-03-26 07:59:28,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:28,701 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:59:28,701 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:59:28,701 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable262 [2021-03-26 07:59:28,701 INFO L428 AbstractCegarLoop]: === Iteration 264 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:59:28,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:59:28,701 INFO L82 PathProgramCache]: Analyzing trace with hash -939617021, now seen corresponding path program 5 times [2021-03-26 07:59:28,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:59:28,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931756430] [2021-03-26 07:59:28,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:59:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:59:28,710 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:59:28,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:59:28,715 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:59:28,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:28,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:28,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:28,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:28,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:59:28,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:28,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:28,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:28,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:28,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:28,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:28,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:28,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:28,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:28,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:59:28,813 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:59:28,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:59:28,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:59:28,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931756430] [2021-03-26 07:59:28,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:59:28,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:59:28,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830763111] [2021-03-26 07:59:28,816 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:59:28,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:59:28,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:59:28,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:59:28,817 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 178 [2021-03-26 07:59:28,817 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 641 places, 889 transitions, 22773 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:28,817 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:59:28,817 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 178 [2021-03-26 07:59:28,817 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:59:30,038 INFO L129 PetriNetUnfolder]: 933/1933 cut-off events. [2021-03-26 07:59:30,038 INFO L130 PetriNetUnfolder]: For 198321/198344 co-relation queries the response was YES. [2021-03-26 07:59:30,071 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32522 conditions, 1933 events. 933/1933 cut-off events. For 198321/198344 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 13669 event pairs, 144 based on Foata normal form. 12/1942 useless extension candidates. Maximal degree in co-relation 32245. Up to 1742 conditions per place. [2021-03-26 07:59:30,080 INFO L132 encePairwiseOnDemand]: 159/178 looper letters, 839 selfloop transitions, 50 changer transitions 3/900 dead transitions. [2021-03-26 07:59:30,081 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 654 places, 900 transitions, 24925 flow [2021-03-26 07:59:30,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:59:30,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:59:30,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 432 transitions. [2021-03-26 07:59:30,082 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17335473515248795 [2021-03-26 07:59:30,082 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 432 transitions. [2021-03-26 07:59:30,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 432 transitions. [2021-03-26 07:59:30,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:59:30,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 432 transitions. [2021-03-26 07:59:30,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 30.857142857142858) internal successors, (432), 14 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:30,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 178.0) internal successors, (2670), 15 states have internal predecessors, (2670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:30,083 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 178.0) internal successors, (2670), 15 states have internal predecessors, (2670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:30,084 INFO L185 Difference]: Start difference. First operand has 641 places, 889 transitions, 22773 flow. Second operand 14 states and 432 transitions. [2021-03-26 07:59:30,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 654 places, 900 transitions, 24925 flow [2021-03-26 07:59:31,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 642 places, 900 transitions, 24479 flow, removed 6 selfloop flow, removed 12 redundant places. [2021-03-26 07:59:31,566 INFO L241 Difference]: Finished difference. Result has 645 places, 890 transitions, 22450 flow [2021-03-26 07:59:31,566 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=22328, PETRI_DIFFERENCE_MINUEND_PLACES=629, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=889, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=839, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=22450, PETRI_PLACES=645, PETRI_TRANSITIONS=890} [2021-03-26 07:59:31,567 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 606 predicate places. [2021-03-26 07:59:31,567 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:59:31,567 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 645 places, 890 transitions, 22450 flow [2021-03-26 07:59:31,567 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 645 places, 890 transitions, 22450 flow [2021-03-26 07:59:31,575 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 643 places, 890 transitions, 22450 flow [2021-03-26 07:59:32,084 INFO L129 PetriNetUnfolder]: 744/1666 cut-off events. [2021-03-26 07:59:32,085 INFO L130 PetriNetUnfolder]: For 160743/160945 co-relation queries the response was YES. [2021-03-26 07:59:32,118 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26558 conditions, 1666 events. 744/1666 cut-off events. For 160743/160945 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 12470 event pairs, 33 based on Foata normal form. 44/1693 useless extension candidates. Maximal degree in co-relation 26288. Up to 521 conditions per place. [2021-03-26 07:59:32,146 INFO L142 LiptonReduction]: Number of co-enabled transitions 684 [2021-03-26 07:59:32,236 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:59:32,237 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:59:32,237 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 670 [2021-03-26 07:59:32,237 INFO L480 AbstractCegarLoop]: Abstraction has has 643 places, 890 transitions, 22450 flow [2021-03-26 07:59:32,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:32,237 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:59:32,237 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:59:32,237 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable263 [2021-03-26 07:59:32,237 INFO L428 AbstractCegarLoop]: === Iteration 265 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:59:32,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:59:32,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1472216621, now seen corresponding path program 6 times [2021-03-26 07:59:32,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:59:32,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916395980] [2021-03-26 07:59:32,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:59:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:59:32,243 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:59:32,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:59:32,249 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:59:32,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:32,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:32,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:32,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:32,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:32,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:32,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:59:32,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:32,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:59:32,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:32,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:32,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:32,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:32,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:32,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:59:32,341 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:59:32,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:59:32,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:59:32,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916395980] [2021-03-26 07:59:32,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:59:32,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:59:32,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993527120] [2021-03-26 07:59:32,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:59:32,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:59:32,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:59:32,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:59:32,345 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 178 [2021-03-26 07:59:32,345 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 643 places, 890 transitions, 22450 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:32,345 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:59:32,345 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 178 [2021-03-26 07:59:32,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:59:33,796 INFO L129 PetriNetUnfolder]: 938/1949 cut-off events. [2021-03-26 07:59:33,796 INFO L130 PetriNetUnfolder]: For 204565/204605 co-relation queries the response was YES. [2021-03-26 07:59:33,825 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32695 conditions, 1949 events. 938/1949 cut-off events. For 204565/204605 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 13802 event pairs, 136 based on Foata normal form. 21/1967 useless extension candidates. Maximal degree in co-relation 32418. Up to 1666 conditions per place. [2021-03-26 07:59:33,836 INFO L132 encePairwiseOnDemand]: 155/178 looper letters, 723 selfloop transitions, 186 changer transitions 5/922 dead transitions. [2021-03-26 07:59:33,836 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 655 places, 922 transitions, 25446 flow [2021-03-26 07:59:33,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:59:33,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:59:33,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 435 transitions. [2021-03-26 07:59:33,838 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.18798617113223856 [2021-03-26 07:59:33,838 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 435 transitions. [2021-03-26 07:59:33,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 435 transitions. [2021-03-26 07:59:33,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:59:33,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 435 transitions. [2021-03-26 07:59:33,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 33.46153846153846) internal successors, (435), 13 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:33,839 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 178.0) internal successors, (2492), 14 states have internal predecessors, (2492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:33,839 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 178.0) internal successors, (2492), 14 states have internal predecessors, (2492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:33,839 INFO L185 Difference]: Start difference. First operand has 643 places, 890 transitions, 22450 flow. Second operand 13 states and 435 transitions. [2021-03-26 07:59:33,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 655 places, 922 transitions, 25446 flow [2021-03-26 07:59:35,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 643 places, 922 transitions, 25314 flow, removed 16 selfloop flow, removed 12 redundant places. [2021-03-26 07:59:35,350 INFO L241 Difference]: Finished difference. Result has 648 places, 912 transitions, 23610 flow [2021-03-26 07:59:35,351 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=22322, PETRI_DIFFERENCE_MINUEND_PLACES=631, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=890, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=164, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=722, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=23610, PETRI_PLACES=648, PETRI_TRANSITIONS=912} [2021-03-26 07:59:35,351 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 609 predicate places. [2021-03-26 07:59:35,351 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:59:35,351 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 648 places, 912 transitions, 23610 flow [2021-03-26 07:59:35,351 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 648 places, 912 transitions, 23610 flow [2021-03-26 07:59:35,360 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 648 places, 912 transitions, 23610 flow [2021-03-26 07:59:35,894 INFO L129 PetriNetUnfolder]: 747/1680 cut-off events. [2021-03-26 07:59:35,894 INFO L130 PetriNetUnfolder]: For 171600/171844 co-relation queries the response was YES. [2021-03-26 07:59:35,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27304 conditions, 1680 events. 747/1680 cut-off events. For 171600/171844 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 12542 event pairs, 37 based on Foata normal form. 18/1680 useless extension candidates. Maximal degree in co-relation 27019. Up to 528 conditions per place. [2021-03-26 07:59:35,957 INFO L142 LiptonReduction]: Number of co-enabled transitions 678 [2021-03-26 07:59:36,219 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 07:59:36,219 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 07:59:36,219 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 868 [2021-03-26 07:59:36,219 INFO L480 AbstractCegarLoop]: Abstraction has has 648 places, 912 transitions, 23676 flow [2021-03-26 07:59:36,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:36,219 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:59:36,220 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:59:36,220 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable264 [2021-03-26 07:59:36,220 INFO L428 AbstractCegarLoop]: === Iteration 266 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:59:36,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:59:36,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1314472102, now seen corresponding path program 5 times [2021-03-26 07:59:36,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:59:36,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739485728] [2021-03-26 07:59:36,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:59:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:59:36,226 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:59:36,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:59:36,233 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:59:36,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:36,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:36,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:36,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:36,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:59:36,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:36,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:36,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:36,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:36,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:36,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:36,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:36,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:36,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:36,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:59:36,361 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:59:36,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:59:36,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:59:36,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739485728] [2021-03-26 07:59:36,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:59:36,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:59:36,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570859748] [2021-03-26 07:59:36,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:59:36,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:59:36,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:59:36,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:59:36,366 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 179 [2021-03-26 07:59:36,366 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 648 places, 912 transitions, 23676 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:36,366 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:59:36,366 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 179 [2021-03-26 07:59:36,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:59:39,036 INFO L129 PetriNetUnfolder]: 936/1954 cut-off events. [2021-03-26 07:59:39,036 INFO L130 PetriNetUnfolder]: For 207781/207804 co-relation queries the response was YES. [2021-03-26 07:59:39,075 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33126 conditions, 1954 events. 936/1954 cut-off events. For 207781/207804 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 13900 event pairs, 123 based on Foata normal form. 12/1963 useless extension candidates. Maximal degree in co-relation 32846. Up to 1654 conditions per place. [2021-03-26 07:59:39,088 INFO L132 encePairwiseOnDemand]: 155/179 looper letters, 716 selfloop transitions, 194 changer transitions 3/921 dead transitions. [2021-03-26 07:59:39,088 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 660 places, 921 transitions, 25830 flow [2021-03-26 07:59:39,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:59:39,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:59:39,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 422 transitions. [2021-03-26 07:59:39,090 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.18134937688010314 [2021-03-26 07:59:39,090 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 422 transitions. [2021-03-26 07:59:39,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 422 transitions. [2021-03-26 07:59:39,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:59:39,090 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 422 transitions. [2021-03-26 07:59:39,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.46153846153846) internal successors, (422), 13 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:39,091 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 179.0) internal successors, (2506), 14 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:39,091 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 179.0) internal successors, (2506), 14 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:39,091 INFO L185 Difference]: Start difference. First operand has 648 places, 912 transitions, 23676 flow. Second operand 13 states and 422 transitions. [2021-03-26 07:59:39,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 660 places, 921 transitions, 25830 flow [2021-03-26 07:59:40,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 652 places, 921 transitions, 25161 flow, removed 182 selfloop flow, removed 8 redundant places. [2021-03-26 07:59:40,601 INFO L241 Difference]: Finished difference. Result has 655 places, 913 transitions, 23462 flow [2021-03-26 07:59:40,603 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=23013, PETRI_DIFFERENCE_MINUEND_PLACES=640, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=912, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=192, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=718, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=23462, PETRI_PLACES=655, PETRI_TRANSITIONS=913} [2021-03-26 07:59:40,604 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 616 predicate places. [2021-03-26 07:59:40,604 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:59:40,604 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 655 places, 913 transitions, 23462 flow [2021-03-26 07:59:40,604 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 655 places, 913 transitions, 23462 flow [2021-03-26 07:59:40,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 653 places, 913 transitions, 23462 flow [2021-03-26 07:59:41,137 INFO L129 PetriNetUnfolder]: 753/1698 cut-off events. [2021-03-26 07:59:41,138 INFO L130 PetriNetUnfolder]: For 165726/165944 co-relation queries the response was YES. [2021-03-26 07:59:41,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27212 conditions, 1698 events. 753/1698 cut-off events. For 165726/165944 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 12738 event pairs, 22 based on Foata normal form. 38/1729 useless extension candidates. Maximal degree in co-relation 26950. Up to 516 conditions per place. [2021-03-26 07:59:41,200 INFO L142 LiptonReduction]: Number of co-enabled transitions 678 [2021-03-26 07:59:41,282 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:59:41,282 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:59:41,282 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 678 [2021-03-26 07:59:41,283 INFO L480 AbstractCegarLoop]: Abstraction has has 653 places, 913 transitions, 23462 flow [2021-03-26 07:59:41,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:41,283 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:59:41,283 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:59:41,283 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable265 [2021-03-26 07:59:41,283 INFO L428 AbstractCegarLoop]: === Iteration 267 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:59:41,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:59:41,283 INFO L82 PathProgramCache]: Analyzing trace with hash -573140008, now seen corresponding path program 6 times [2021-03-26 07:59:41,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:59:41,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887980556] [2021-03-26 07:59:41,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:59:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:59:41,304 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:59:41,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:59:41,310 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:59:41,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:41,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:41,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:41,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:41,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:59:41,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:41,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:41,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:41,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:41,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:41,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:41,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:41,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:41,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:41,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:59:41,423 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:59:41,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:59:41,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:59:41,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887980556] [2021-03-26 07:59:41,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:59:41,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:59:41,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202844413] [2021-03-26 07:59:41,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:59:41,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:59:41,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:59:41,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:59:41,426 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 179 [2021-03-26 07:59:41,427 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 653 places, 913 transitions, 23462 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:41,427 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:59:41,427 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 179 [2021-03-26 07:59:41,427 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:59:42,703 INFO L129 PetriNetUnfolder]: 935/1947 cut-off events. [2021-03-26 07:59:42,703 INFO L130 PetriNetUnfolder]: For 202105/202128 co-relation queries the response was YES. [2021-03-26 07:59:42,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32715 conditions, 1947 events. 935/1947 cut-off events. For 202105/202128 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 13860 event pairs, 135 based on Foata normal form. 12/1956 useless extension candidates. Maximal degree in co-relation 32439. Up to 1731 conditions per place. [2021-03-26 07:59:42,754 INFO L132 encePairwiseOnDemand]: 162/179 looper letters, 833 selfloop transitions, 75 changer transitions 3/919 dead transitions. [2021-03-26 07:59:42,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 666 places, 919 transitions, 25420 flow [2021-03-26 07:59:42,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 07:59:42,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 07:59:42,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 440 transitions. [2021-03-26 07:59:42,756 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17557861133280128 [2021-03-26 07:59:42,756 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 440 transitions. [2021-03-26 07:59:42,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 440 transitions. [2021-03-26 07:59:42,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:59:42,756 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 440 transitions. [2021-03-26 07:59:42,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.428571428571427) internal successors, (440), 14 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:42,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 179.0) internal successors, (2685), 15 states have internal predecessors, (2685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:42,758 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 179.0) internal successors, (2685), 15 states have internal predecessors, (2685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:42,758 INFO L185 Difference]: Start difference. First operand has 653 places, 913 transitions, 23462 flow. Second operand 14 states and 440 transitions. [2021-03-26 07:59:42,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 666 places, 919 transitions, 25420 flow [2021-03-26 07:59:44,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 654 places, 919 transitions, 25031 flow, removed 17 selfloop flow, removed 12 redundant places. [2021-03-26 07:59:44,079 INFO L241 Difference]: Finished difference. Result has 656 places, 913 transitions, 23237 flow [2021-03-26 07:59:44,079 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=23077, PETRI_DIFFERENCE_MINUEND_PLACES=641, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=913, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=838, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=23237, PETRI_PLACES=656, PETRI_TRANSITIONS=913} [2021-03-26 07:59:44,079 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 617 predicate places. [2021-03-26 07:59:44,079 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:59:44,079 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 656 places, 913 transitions, 23237 flow [2021-03-26 07:59:44,080 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 656 places, 913 transitions, 23237 flow [2021-03-26 07:59:44,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 654 places, 913 transitions, 23237 flow [2021-03-26 07:59:44,511 INFO L129 PetriNetUnfolder]: 751/1695 cut-off events. [2021-03-26 07:59:44,511 INFO L130 PetriNetUnfolder]: For 161291/161493 co-relation queries the response was YES. [2021-03-26 07:59:44,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26886 conditions, 1695 events. 751/1695 cut-off events. For 161291/161493 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 12716 event pairs, 26 based on Foata normal form. 35/1722 useless extension candidates. Maximal degree in co-relation 26612. Up to 513 conditions per place. [2021-03-26 07:59:44,572 INFO L142 LiptonReduction]: Number of co-enabled transitions 678 [2021-03-26 07:59:44,688 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:59:44,688 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:59:44,688 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 609 [2021-03-26 07:59:44,689 INFO L480 AbstractCegarLoop]: Abstraction has has 654 places, 913 transitions, 23237 flow [2021-03-26 07:59:44,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:44,689 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:59:44,689 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:59:44,689 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable266 [2021-03-26 07:59:44,689 INFO L428 AbstractCegarLoop]: === Iteration 268 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:59:44,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:59:44,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1805001887, now seen corresponding path program 7 times [2021-03-26 07:59:44,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:59:44,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850131218] [2021-03-26 07:59:44,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:59:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:59:44,696 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:59:44,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:59:44,703 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:59:44,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:44,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:44,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:44,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:44,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:44,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:44,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:44,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:44,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:44,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:44,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:44,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:44,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:44,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:44,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:59:44,822 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:59:44,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:59:44,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:59:44,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850131218] [2021-03-26 07:59:44,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:59:44,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:59:44,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730775623] [2021-03-26 07:59:44,825 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:59:44,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:59:44,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:59:44,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:59:44,825 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 179 [2021-03-26 07:59:44,826 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 654 places, 913 transitions, 23237 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:44,826 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:59:44,826 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 179 [2021-03-26 07:59:44,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:59:46,614 INFO L129 PetriNetUnfolder]: 933/1946 cut-off events. [2021-03-26 07:59:46,615 INFO L130 PetriNetUnfolder]: For 201144/201167 co-relation queries the response was YES. [2021-03-26 07:59:46,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32504 conditions, 1946 events. 933/1946 cut-off events. For 201144/201167 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 13851 event pairs, 143 based on Foata normal form. 12/1955 useless extension candidates. Maximal degree in co-relation 32222. Up to 1750 conditions per place. [2021-03-26 07:59:46,666 INFO L132 encePairwiseOnDemand]: 160/179 looper letters, 863 selfloop transitions, 48 changer transitions 3/922 dead transitions. [2021-03-26 07:59:46,666 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 666 places, 922 transitions, 25387 flow [2021-03-26 07:59:46,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:59:46,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:59:46,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 405 transitions. [2021-03-26 07:59:46,667 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17404383326171036 [2021-03-26 07:59:46,668 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 405 transitions. [2021-03-26 07:59:46,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 405 transitions. [2021-03-26 07:59:46,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:59:46,668 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 405 transitions. [2021-03-26 07:59:46,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.153846153846153) internal successors, (405), 13 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:46,669 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 179.0) internal successors, (2506), 14 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:46,669 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 179.0) internal successors, (2506), 14 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:46,669 INFO L185 Difference]: Start difference. First operand has 654 places, 913 transitions, 23237 flow. Second operand 13 states and 405 transitions. [2021-03-26 07:59:46,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 666 places, 922 transitions, 25387 flow [2021-03-26 07:59:48,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 654 places, 922 transitions, 25174 flow, removed 15 selfloop flow, removed 12 redundant places. [2021-03-26 07:59:48,180 INFO L241 Difference]: Finished difference. Result has 656 places, 912 transitions, 23085 flow [2021-03-26 07:59:48,181 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=23024, PETRI_DIFFERENCE_MINUEND_PLACES=642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=913, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=865, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=23085, PETRI_PLACES=656, PETRI_TRANSITIONS=912} [2021-03-26 07:59:48,181 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 617 predicate places. [2021-03-26 07:59:48,181 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:59:48,181 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 656 places, 912 transitions, 23085 flow [2021-03-26 07:59:48,181 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 656 places, 912 transitions, 23085 flow [2021-03-26 07:59:48,191 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 654 places, 912 transitions, 23085 flow [2021-03-26 07:59:48,724 INFO L129 PetriNetUnfolder]: 749/1692 cut-off events. [2021-03-26 07:59:48,725 INFO L130 PetriNetUnfolder]: For 161861/162041 co-relation queries the response was YES. [2021-03-26 07:59:48,759 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26856 conditions, 1692 events. 749/1692 cut-off events. For 161861/162041 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 12669 event pairs, 26 based on Foata normal form. 28/1713 useless extension candidates. Maximal degree in co-relation 26581. Up to 512 conditions per place. [2021-03-26 07:59:48,787 INFO L142 LiptonReduction]: Number of co-enabled transitions 678 [2021-03-26 07:59:48,881 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:59:48,881 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:59:48,881 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 700 [2021-03-26 07:59:48,889 INFO L480 AbstractCegarLoop]: Abstraction has has 654 places, 912 transitions, 23085 flow [2021-03-26 07:59:48,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:48,890 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:59:48,890 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:59:48,890 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable267 [2021-03-26 07:59:48,890 INFO L428 AbstractCegarLoop]: === Iteration 269 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:59:48,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:59:48,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1401847371, now seen corresponding path program 2 times [2021-03-26 07:59:48,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:59:48,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163788264] [2021-03-26 07:59:48,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:59:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:59:48,897 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:59:48,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:59:48,901 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:59:48,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:48,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:48,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:48,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:48,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:48,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:48,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:48,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:48,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:48,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:48,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:48,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:48,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:48,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:48,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:59:49,000 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:59:49,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:59:49,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:59:49,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163788264] [2021-03-26 07:59:49,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:59:49,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:59:49,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307825957] [2021-03-26 07:59:49,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:59:49,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:59:49,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:59:49,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:59:49,004 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 179 [2021-03-26 07:59:49,004 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 654 places, 912 transitions, 23085 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:49,004 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:59:49,004 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 179 [2021-03-26 07:59:49,004 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:59:50,883 INFO L129 PetriNetUnfolder]: 932/1943 cut-off events. [2021-03-26 07:59:50,883 INFO L130 PetriNetUnfolder]: For 204656/204679 co-relation queries the response was YES. [2021-03-26 07:59:50,921 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32567 conditions, 1943 events. 932/1943 cut-off events. For 204656/204679 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 13802 event pairs, 93 based on Foata normal form. 12/1952 useless extension candidates. Maximal degree in co-relation 32285. Up to 1681 conditions per place. [2021-03-26 07:59:50,934 INFO L132 encePairwiseOnDemand]: 155/179 looper letters, 744 selfloop transitions, 159 changer transitions 5/916 dead transitions. [2021-03-26 07:59:50,934 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 666 places, 916 transitions, 25061 flow [2021-03-26 07:59:50,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 07:59:50,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 07:59:50,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 411 transitions. [2021-03-26 07:59:50,935 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1766222604211431 [2021-03-26 07:59:50,935 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 411 transitions. [2021-03-26 07:59:50,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 411 transitions. [2021-03-26 07:59:50,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:59:50,936 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 411 transitions. [2021-03-26 07:59:50,936 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.615384615384617) internal successors, (411), 13 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:50,937 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 179.0) internal successors, (2506), 14 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:50,937 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 179.0) internal successors, (2506), 14 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:50,937 INFO L185 Difference]: Start difference. First operand has 654 places, 912 transitions, 23085 flow. Second operand 13 states and 411 transitions. [2021-03-26 07:59:50,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 666 places, 916 transitions, 25061 flow [2021-03-26 07:59:52,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 653 places, 916 transitions, 24906 flow, removed 16 selfloop flow, removed 13 redundant places. [2021-03-26 07:59:52,480 INFO L241 Difference]: Finished difference. Result has 656 places, 909 transitions, 23244 flow [2021-03-26 07:59:52,481 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=22932, PETRI_DIFFERENCE_MINUEND_PLACES=641, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=912, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=753, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=23244, PETRI_PLACES=656, PETRI_TRANSITIONS=909} [2021-03-26 07:59:52,481 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 617 predicate places. [2021-03-26 07:59:52,481 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:59:52,481 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 656 places, 909 transitions, 23244 flow [2021-03-26 07:59:52,481 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 656 places, 909 transitions, 23244 flow [2021-03-26 07:59:52,490 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 652 places, 909 transitions, 23244 flow [2021-03-26 07:59:53,016 INFO L129 PetriNetUnfolder]: 747/1686 cut-off events. [2021-03-26 07:59:53,017 INFO L130 PetriNetUnfolder]: For 163812/164021 co-relation queries the response was YES. [2021-03-26 07:59:53,051 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26865 conditions, 1686 events. 747/1686 cut-off events. For 163812/164021 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 12635 event pairs, 34 based on Foata normal form. 35/1710 useless extension candidates. Maximal degree in co-relation 26595. Up to 509 conditions per place. [2021-03-26 07:59:53,080 INFO L142 LiptonReduction]: Number of co-enabled transitions 678 [2021-03-26 07:59:53,158 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:59:53,158 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:59:53,158 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 677 [2021-03-26 07:59:53,159 INFO L480 AbstractCegarLoop]: Abstraction has has 652 places, 909 transitions, 23244 flow [2021-03-26 07:59:53,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:53,159 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:59:53,159 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:59:53,159 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable268 [2021-03-26 07:59:53,159 INFO L428 AbstractCegarLoop]: === Iteration 270 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:59:53,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:59:53,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1008133591, now seen corresponding path program 3 times [2021-03-26 07:59:53,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:59:53,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332892157] [2021-03-26 07:59:53,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:59:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:59:53,166 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:59:53,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:59:53,170 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:59:53,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:53,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:53,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:53,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:53,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:53,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:53,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:53,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:53,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:53,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:53,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:53,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:53,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:53,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:53,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:59:53,252 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:59:53,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:59:53,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:59:53,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332892157] [2021-03-26 07:59:53,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:59:53,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 07:59:53,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917266180] [2021-03-26 07:59:53,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 07:59:53,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:59:53,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 07:59:53,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 07:59:53,255 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 179 [2021-03-26 07:59:53,256 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 652 places, 909 transitions, 23244 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:53,256 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:59:53,256 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 179 [2021-03-26 07:59:53,256 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:59:55,100 INFO L129 PetriNetUnfolder]: 931/1941 cut-off events. [2021-03-26 07:59:55,100 INFO L130 PetriNetUnfolder]: For 204628/204651 co-relation queries the response was YES. [2021-03-26 07:59:55,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32679 conditions, 1941 events. 931/1941 cut-off events. For 204628/204651 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 13808 event pairs, 143 based on Foata normal form. 12/1950 useless extension candidates. Maximal degree in co-relation 32402. Up to 1750 conditions per place. [2021-03-26 07:59:55,154 INFO L132 encePairwiseOnDemand]: 162/179 looper letters, 859 selfloop transitions, 47 changer transitions 2/916 dead transitions. [2021-03-26 07:59:55,154 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 663 places, 916 transitions, 25270 flow [2021-03-26 07:59:55,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 07:59:55,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 07:59:55,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 376 transitions. [2021-03-26 07:59:55,156 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1750465549348231 [2021-03-26 07:59:55,156 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 376 transitions. [2021-03-26 07:59:55,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 376 transitions. [2021-03-26 07:59:55,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:59:55,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 376 transitions. [2021-03-26 07:59:55,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 31.333333333333332) internal successors, (376), 12 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:55,157 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 179.0) internal successors, (2327), 13 states have internal predecessors, (2327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:55,157 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 179.0) internal successors, (2327), 13 states have internal predecessors, (2327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:55,157 INFO L185 Difference]: Start difference. First operand has 652 places, 909 transitions, 23244 flow. Second operand 12 states and 376 transitions. [2021-03-26 07:59:55,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 663 places, 916 transitions, 25270 flow [2021-03-26 07:59:56,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 650 places, 916 transitions, 24903 flow, removed 10 selfloop flow, removed 13 redundant places. [2021-03-26 07:59:56,718 INFO L241 Difference]: Finished difference. Result has 652 places, 910 transitions, 23008 flow [2021-03-26 07:59:56,719 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=22885, PETRI_DIFFERENCE_MINUEND_PLACES=639, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=909, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=863, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=23008, PETRI_PLACES=652, PETRI_TRANSITIONS=910} [2021-03-26 07:59:56,719 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 613 predicate places. [2021-03-26 07:59:56,719 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 07:59:56,719 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 652 places, 910 transitions, 23008 flow [2021-03-26 07:59:56,720 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 652 places, 910 transitions, 23008 flow [2021-03-26 07:59:56,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 650 places, 910 transitions, 23008 flow [2021-03-26 07:59:57,251 INFO L129 PetriNetUnfolder]: 739/1678 cut-off events. [2021-03-26 07:59:57,252 INFO L130 PetriNetUnfolder]: For 163532/163692 co-relation queries the response was YES. [2021-03-26 07:59:57,286 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26658 conditions, 1678 events. 739/1678 cut-off events. For 163532/163692 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 12653 event pairs, 29 based on Foata normal form. 23/1695 useless extension candidates. Maximal degree in co-relation 26385. Up to 513 conditions per place. [2021-03-26 07:59:57,316 INFO L142 LiptonReduction]: Number of co-enabled transitions 678 [2021-03-26 07:59:57,410 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 07:59:57,410 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 07:59:57,410 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 691 [2021-03-26 07:59:57,410 INFO L480 AbstractCegarLoop]: Abstraction has has 650 places, 910 transitions, 23008 flow [2021-03-26 07:59:57,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:57,411 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 07:59:57,411 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 07:59:57,411 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable269 [2021-03-26 07:59:57,411 INFO L428 AbstractCegarLoop]: === Iteration 271 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 07:59:57,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 07:59:57,411 INFO L82 PathProgramCache]: Analyzing trace with hash 945941427, now seen corresponding path program 8 times [2021-03-26 07:59:57,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 07:59:57,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891025448] [2021-03-26 07:59:57,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 07:59:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 07:59:57,417 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 07:59:57,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 07:59:57,424 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 07:59:57,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:57,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:57,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 07:59:57,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:57,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:59:57,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:57,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:59:57,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:57,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:59:57,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:57,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 07:59:57,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:57,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:59:57,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 07:59:57,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 07:59:57,527 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 07:59:57,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 07:59:57,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 07:59:57,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891025448] [2021-03-26 07:59:57,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 07:59:57,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 07:59:57,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712116174] [2021-03-26 07:59:57,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 07:59:57,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 07:59:57,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 07:59:57,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 07:59:57,532 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 179 [2021-03-26 07:59:57,532 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 650 places, 910 transitions, 23008 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:57,532 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 07:59:57,532 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 179 [2021-03-26 07:59:57,532 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 07:59:58,830 INFO L129 PetriNetUnfolder]: 930/1937 cut-off events. [2021-03-26 07:59:58,830 INFO L130 PetriNetUnfolder]: For 202884/202888 co-relation queries the response was YES. [2021-03-26 07:59:58,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32470 conditions, 1937 events. 930/1937 cut-off events. For 202884/202888 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 13652 event pairs, 147 based on Foata normal form. 5/1939 useless extension candidates. Maximal degree in co-relation 32190. Up to 1737 conditions per place. [2021-03-26 07:59:58,878 INFO L132 encePairwiseOnDemand]: 160/179 looper letters, 838 selfloop transitions, 61 changer transitions 5/912 dead transitions. [2021-03-26 07:59:58,878 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 661 places, 912 transitions, 24838 flow [2021-03-26 07:59:58,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 07:59:58,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 07:59:58,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 379 transitions. [2021-03-26 07:59:58,880 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17644320297951582 [2021-03-26 07:59:58,880 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 379 transitions. [2021-03-26 07:59:58,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 379 transitions. [2021-03-26 07:59:58,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 07:59:58,880 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 379 transitions. [2021-03-26 07:59:58,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 31.583333333333332) internal successors, (379), 12 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:58,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 179.0) internal successors, (2327), 13 states have internal predecessors, (2327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:58,882 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 179.0) internal successors, (2327), 13 states have internal predecessors, (2327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 07:59:58,882 INFO L185 Difference]: Start difference. First operand has 650 places, 910 transitions, 23008 flow. Second operand 12 states and 379 transitions. [2021-03-26 07:59:58,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 661 places, 912 transitions, 24838 flow [2021-03-26 08:00:00,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 652 places, 912 transitions, 24706 flow, removed 21 selfloop flow, removed 9 redundant places. [2021-03-26 08:00:00,186 INFO L241 Difference]: Finished difference. Result has 653 places, 906 transitions, 22932 flow [2021-03-26 08:00:00,186 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=22876, PETRI_DIFFERENCE_MINUEND_PLACES=641, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=910, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=849, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=22932, PETRI_PLACES=653, PETRI_TRANSITIONS=906} [2021-03-26 08:00:00,186 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 614 predicate places. [2021-03-26 08:00:00,186 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:00:00,186 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 653 places, 906 transitions, 22932 flow [2021-03-26 08:00:00,186 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 653 places, 906 transitions, 22932 flow [2021-03-26 08:00:00,194 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 648 places, 906 transitions, 22932 flow [2021-03-26 08:00:00,594 INFO L129 PetriNetUnfolder]: 737/1670 cut-off events. [2021-03-26 08:00:00,595 INFO L130 PetriNetUnfolder]: For 164581/164755 co-relation queries the response was YES. [2021-03-26 08:00:00,627 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26617 conditions, 1670 events. 737/1670 cut-off events. For 164581/164755 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 12526 event pairs, 29 based on Foata normal form. 23/1685 useless extension candidates. Maximal degree in co-relation 26344. Up to 508 conditions per place. [2021-03-26 08:00:00,652 INFO L142 LiptonReduction]: Number of co-enabled transitions 674 [2021-03-26 08:00:00,739 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:00:00,739 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:00:00,739 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 553 [2021-03-26 08:00:00,740 INFO L480 AbstractCegarLoop]: Abstraction has has 648 places, 906 transitions, 22932 flow [2021-03-26 08:00:00,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:00,740 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:00:00,740 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:00:00,740 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable270 [2021-03-26 08:00:00,740 INFO L428 AbstractCegarLoop]: === Iteration 272 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:00:00,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:00:00,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1399221595, now seen corresponding path program 4 times [2021-03-26 08:00:00,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:00:00,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851130376] [2021-03-26 08:00:00,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:00:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:00:00,746 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:00:00,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:00:00,750 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:00:00,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:00,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:00,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:00,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:00,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:00,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:00,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:00,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:00,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:00,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:00,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:00,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:00,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:00,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:00,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:00:00,845 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:00:00,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:00,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:00:00,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851130376] [2021-03-26 08:00:00,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:00:00,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:00:00,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282398811] [2021-03-26 08:00:00,848 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:00:00,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:00:00,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:00:00,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:00:00,849 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 179 [2021-03-26 08:00:00,849 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 648 places, 906 transitions, 22932 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:00,849 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:00:00,849 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 179 [2021-03-26 08:00:00,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:00:02,222 INFO L129 PetriNetUnfolder]: 929/1932 cut-off events. [2021-03-26 08:00:02,222 INFO L130 PetriNetUnfolder]: For 204635/204658 co-relation queries the response was YES. [2021-03-26 08:00:02,264 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32409 conditions, 1932 events. 929/1932 cut-off events. For 204635/204658 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 13693 event pairs, 140 based on Foata normal form. 12/1941 useless extension candidates. Maximal degree in co-relation 32127. Up to 1669 conditions per place. [2021-03-26 08:00:02,275 INFO L132 encePairwiseOnDemand]: 155/179 looper letters, 736 selfloop transitions, 164 changer transitions 3/911 dead transitions. [2021-03-26 08:00:02,275 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 661 places, 911 transitions, 24904 flow [2021-03-26 08:00:02,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 08:00:02,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 08:00:02,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 440 transitions. [2021-03-26 08:00:02,277 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17557861133280128 [2021-03-26 08:00:02,277 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 440 transitions. [2021-03-26 08:00:02,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 440 transitions. [2021-03-26 08:00:02,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:00:02,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 440 transitions. [2021-03-26 08:00:02,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.428571428571427) internal successors, (440), 14 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:02,278 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 179.0) internal successors, (2685), 15 states have internal predecessors, (2685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:02,279 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 179.0) internal successors, (2685), 15 states have internal predecessors, (2685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:02,279 INFO L185 Difference]: Start difference. First operand has 648 places, 906 transitions, 22932 flow. Second operand 14 states and 440 transitions. [2021-03-26 08:00:02,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 661 places, 911 transitions, 24904 flow [2021-03-26 08:00:03,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 650 places, 911 transitions, 24754 flow, removed 6 selfloop flow, removed 11 redundant places. [2021-03-26 08:00:03,831 INFO L241 Difference]: Finished difference. Result has 652 places, 905 transitions, 23125 flow [2021-03-26 08:00:03,831 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=22784, PETRI_DIFFERENCE_MINUEND_PLACES=637, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=906, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=164, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=742, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=23125, PETRI_PLACES=652, PETRI_TRANSITIONS=905} [2021-03-26 08:00:03,831 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 613 predicate places. [2021-03-26 08:00:03,831 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:00:03,832 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 652 places, 905 transitions, 23125 flow [2021-03-26 08:00:03,832 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 652 places, 905 transitions, 23125 flow [2021-03-26 08:00:03,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 650 places, 905 transitions, 23125 flow [2021-03-26 08:00:04,270 INFO L129 PetriNetUnfolder]: 749/1682 cut-off events. [2021-03-26 08:00:04,270 INFO L130 PetriNetUnfolder]: For 164471/164664 co-relation queries the response was YES. [2021-03-26 08:00:04,302 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26901 conditions, 1682 events. 749/1682 cut-off events. For 164471/164664 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 12530 event pairs, 26 based on Foata normal form. 37/1710 useless extension candidates. Maximal degree in co-relation 26629. Up to 510 conditions per place. [2021-03-26 08:00:04,327 INFO L142 LiptonReduction]: Number of co-enabled transitions 674 [2021-03-26 08:00:04,417 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:00:04,417 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:00:04,417 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 586 [2021-03-26 08:00:04,418 INFO L480 AbstractCegarLoop]: Abstraction has has 650 places, 905 transitions, 23125 flow [2021-03-26 08:00:04,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:04,418 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:00:04,418 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:00:04,418 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable271 [2021-03-26 08:00:04,418 INFO L428 AbstractCegarLoop]: === Iteration 273 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:00:04,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:00:04,418 INFO L82 PathProgramCache]: Analyzing trace with hash -958051047, now seen corresponding path program 9 times [2021-03-26 08:00:04,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:00:04,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707963938] [2021-03-26 08:00:04,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:00:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:00:04,426 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:00:04,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:00:04,431 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:00:04,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:04,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:04,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:04,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:04,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:04,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:04,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:04,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:04,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:04,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:04,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:04,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:04,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:00:04,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:04,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:00:04,551 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:00:04,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:04,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:00:04,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707963938] [2021-03-26 08:00:04,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:00:04,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:00:04,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389839659] [2021-03-26 08:00:04,555 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:00:04,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:00:04,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:00:04,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:00:04,556 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 179 [2021-03-26 08:00:04,556 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 650 places, 905 transitions, 23125 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:04,556 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:00:04,556 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 179 [2021-03-26 08:00:04,556 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:00:05,868 INFO L129 PetriNetUnfolder]: 928/1929 cut-off events. [2021-03-26 08:00:05,868 INFO L130 PetriNetUnfolder]: For 202382/202405 co-relation queries the response was YES. [2021-03-26 08:00:05,906 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32455 conditions, 1929 events. 928/1929 cut-off events. For 202382/202405 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 13652 event pairs, 133 based on Foata normal form. 12/1938 useless extension candidates. Maximal degree in co-relation 32176. Up to 1739 conditions per place. [2021-03-26 08:00:05,916 INFO L132 encePairwiseOnDemand]: 160/179 looper letters, 854 selfloop transitions, 46 changer transitions 4/912 dead transitions. [2021-03-26 08:00:05,917 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 663 places, 912 transitions, 25163 flow [2021-03-26 08:00:05,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 08:00:05,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 08:00:05,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 430 transitions. [2021-03-26 08:00:05,918 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17158818834796488 [2021-03-26 08:00:05,918 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 430 transitions. [2021-03-26 08:00:05,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 430 transitions. [2021-03-26 08:00:05,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:00:05,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 430 transitions. [2021-03-26 08:00:05,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 30.714285714285715) internal successors, (430), 14 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:05,920 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 179.0) internal successors, (2685), 15 states have internal predecessors, (2685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:05,920 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 179.0) internal successors, (2685), 15 states have internal predecessors, (2685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:05,920 INFO L185 Difference]: Start difference. First operand has 650 places, 905 transitions, 23125 flow. Second operand 14 states and 430 transitions. [2021-03-26 08:00:05,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 663 places, 912 transitions, 25163 flow [2021-03-26 08:00:07,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 652 places, 912 transitions, 24848 flow, removed 8 selfloop flow, removed 11 redundant places. [2021-03-26 08:00:07,322 INFO L241 Difference]: Finished difference. Result has 654 places, 902 transitions, 22854 flow [2021-03-26 08:00:07,323 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=22812, PETRI_DIFFERENCE_MINUEND_PLACES=639, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=905, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=859, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=22854, PETRI_PLACES=654, PETRI_TRANSITIONS=902} [2021-03-26 08:00:07,323 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 615 predicate places. [2021-03-26 08:00:07,323 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:00:07,323 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 654 places, 902 transitions, 22854 flow [2021-03-26 08:00:07,323 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 654 places, 902 transitions, 22854 flow [2021-03-26 08:00:07,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 648 places, 902 transitions, 22854 flow [2021-03-26 08:00:07,803 INFO L129 PetriNetUnfolder]: 748/1675 cut-off events. [2021-03-26 08:00:07,804 INFO L130 PetriNetUnfolder]: For 164045/164254 co-relation queries the response was YES. [2021-03-26 08:00:07,838 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26755 conditions, 1675 events. 748/1675 cut-off events. For 164045/164254 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 12487 event pairs, 26 based on Foata normal form. 37/1702 useless extension candidates. Maximal degree in co-relation 26491. Up to 508 conditions per place. [2021-03-26 08:00:07,863 INFO L142 LiptonReduction]: Number of co-enabled transitions 674 [2021-03-26 08:00:07,962 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:00:07,962 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:00:07,962 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 639 [2021-03-26 08:00:07,963 INFO L480 AbstractCegarLoop]: Abstraction has has 648 places, 902 transitions, 22854 flow [2021-03-26 08:00:07,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:07,963 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:00:07,963 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:00:07,963 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable272 [2021-03-26 08:00:07,963 INFO L428 AbstractCegarLoop]: === Iteration 274 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:00:07,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:00:07,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1808665056, now seen corresponding path program 7 times [2021-03-26 08:00:07,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:00:07,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492624077] [2021-03-26 08:00:07,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:00:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:00:07,969 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:00:07,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:00:07,974 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:00:07,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:07,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:07,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:07,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:07,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:08,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:08,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:08,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:08,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:08,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:08,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:08,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:08,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:08,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:08,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:00:08,057 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:00:08,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:08,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:00:08,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492624077] [2021-03-26 08:00:08,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:00:08,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:00:08,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125814684] [2021-03-26 08:00:08,060 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:00:08,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:00:08,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:00:08,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:00:08,061 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 179 [2021-03-26 08:00:08,061 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 648 places, 902 transitions, 22854 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:08,061 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:00:08,061 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 179 [2021-03-26 08:00:08,061 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:00:09,737 INFO L129 PetriNetUnfolder]: 927/1929 cut-off events. [2021-03-26 08:00:09,737 INFO L130 PetriNetUnfolder]: For 202022/202026 co-relation queries the response was YES. [2021-03-26 08:00:09,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32392 conditions, 1929 events. 927/1929 cut-off events. For 202022/202026 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 13574 event pairs, 145 based on Foata normal form. 5/1932 useless extension candidates. Maximal degree in co-relation 32116. Up to 1716 conditions per place. [2021-03-26 08:00:09,785 INFO L132 encePairwiseOnDemand]: 162/179 looper letters, 829 selfloop transitions, 70 changer transitions 6/913 dead transitions. [2021-03-26 08:00:09,785 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 661 places, 913 transitions, 24962 flow [2021-03-26 08:00:09,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 08:00:09,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 08:00:09,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 440 transitions. [2021-03-26 08:00:09,787 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17557861133280128 [2021-03-26 08:00:09,787 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 440 transitions. [2021-03-26 08:00:09,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 440 transitions. [2021-03-26 08:00:09,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:00:09,787 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 440 transitions. [2021-03-26 08:00:09,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.428571428571427) internal successors, (440), 14 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:09,789 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 179.0) internal successors, (2685), 15 states have internal predecessors, (2685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:09,789 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 179.0) internal successors, (2685), 15 states have internal predecessors, (2685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:09,789 INFO L185 Difference]: Start difference. First operand has 648 places, 902 transitions, 22854 flow. Second operand 14 states and 440 transitions. [2021-03-26 08:00:09,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 661 places, 913 transitions, 24962 flow [2021-03-26 08:00:11,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 649 places, 913 transitions, 24868 flow, removed 3 selfloop flow, removed 12 redundant places. [2021-03-26 08:00:11,257 INFO L241 Difference]: Finished difference. Result has 651 places, 903 transitions, 22976 flow [2021-03-26 08:00:11,257 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=22760, PETRI_DIFFERENCE_MINUEND_PLACES=636, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=902, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=833, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=22976, PETRI_PLACES=651, PETRI_TRANSITIONS=903} [2021-03-26 08:00:11,257 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 612 predicate places. [2021-03-26 08:00:11,257 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:00:11,258 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 651 places, 903 transitions, 22976 flow [2021-03-26 08:00:11,258 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 651 places, 903 transitions, 22976 flow [2021-03-26 08:00:11,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 649 places, 903 transitions, 22976 flow [2021-03-26 08:00:11,787 INFO L129 PetriNetUnfolder]: 748/1677 cut-off events. [2021-03-26 08:00:11,787 INFO L130 PetriNetUnfolder]: For 164364/164531 co-relation queries the response was YES. [2021-03-26 08:00:11,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26836 conditions, 1677 events. 748/1677 cut-off events. For 164364/164531 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 12515 event pairs, 27 based on Foata normal form. 38/1705 useless extension candidates. Maximal degree in co-relation 26564. Up to 509 conditions per place. [2021-03-26 08:00:11,848 INFO L142 LiptonReduction]: Number of co-enabled transitions 682 [2021-03-26 08:00:11,944 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:00:11,945 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:00:11,945 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 688 [2021-03-26 08:00:11,945 INFO L480 AbstractCegarLoop]: Abstraction has has 649 places, 903 transitions, 22976 flow [2021-03-26 08:00:11,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:11,945 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:00:11,945 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:00:11,945 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable273 [2021-03-26 08:00:11,945 INFO L428 AbstractCegarLoop]: === Iteration 275 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:00:11,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:00:11,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1823435913, now seen corresponding path program 10 times [2021-03-26 08:00:11,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:00:11,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989633290] [2021-03-26 08:00:11,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:00:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:00:11,952 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:00:11,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:00:11,957 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:00:11,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:11,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:11,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:11,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:11,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:11,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:11,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:11,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:11,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:12,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:12,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:12,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:12,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:00:12,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:12,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:00:12,052 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:00:12,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:12,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:00:12,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989633290] [2021-03-26 08:00:12,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:00:12,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:00:12,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044735898] [2021-03-26 08:00:12,055 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:00:12,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:00:12,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:00:12,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:00:12,055 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 179 [2021-03-26 08:00:12,056 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 649 places, 903 transitions, 22976 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:12,056 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:00:12,056 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 179 [2021-03-26 08:00:12,056 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:00:13,352 INFO L129 PetriNetUnfolder]: 926/1921 cut-off events. [2021-03-26 08:00:13,352 INFO L130 PetriNetUnfolder]: For 204712/204735 co-relation queries the response was YES. [2021-03-26 08:00:13,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32339 conditions, 1921 events. 926/1921 cut-off events. For 204712/204735 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 13557 event pairs, 141 based on Foata normal form. 12/1930 useless extension candidates. Maximal degree in co-relation 32058. Up to 1735 conditions per place. [2021-03-26 08:00:13,397 INFO L132 encePairwiseOnDemand]: 160/179 looper letters, 854 selfloop transitions, 43 changer transitions 4/909 dead transitions. [2021-03-26 08:00:13,397 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 661 places, 909 transitions, 24995 flow [2021-03-26 08:00:13,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 08:00:13,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 08:00:13,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 402 transitions. [2021-03-26 08:00:13,398 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.172754619681994 [2021-03-26 08:00:13,399 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 402 transitions. [2021-03-26 08:00:13,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 402 transitions. [2021-03-26 08:00:13,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:00:13,399 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 402 transitions. [2021-03-26 08:00:13,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 30.923076923076923) internal successors, (402), 13 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:13,400 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 179.0) internal successors, (2506), 14 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:13,400 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 179.0) internal successors, (2506), 14 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:13,400 INFO L185 Difference]: Start difference. First operand has 649 places, 903 transitions, 22976 flow. Second operand 13 states and 402 transitions. [2021-03-26 08:00:13,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 661 places, 909 transitions, 24995 flow [2021-03-26 08:00:14,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 651 places, 909 transitions, 24826 flow, removed 49 selfloop flow, removed 10 redundant places. [2021-03-26 08:00:14,856 INFO L241 Difference]: Finished difference. Result has 652 places, 899 transitions, 22838 flow [2021-03-26 08:00:14,857 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=22813, PETRI_DIFFERENCE_MINUEND_PLACES=639, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=903, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=860, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=22838, PETRI_PLACES=652, PETRI_TRANSITIONS=899} [2021-03-26 08:00:14,857 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 613 predicate places. [2021-03-26 08:00:14,857 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:00:14,857 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 652 places, 899 transitions, 22838 flow [2021-03-26 08:00:14,857 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 652 places, 899 transitions, 22838 flow [2021-03-26 08:00:14,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 646 places, 899 transitions, 22838 flow [2021-03-26 08:00:15,369 INFO L129 PetriNetUnfolder]: 745/1672 cut-off events. [2021-03-26 08:00:15,369 INFO L130 PetriNetUnfolder]: For 157206/157385 co-relation queries the response was YES. [2021-03-26 08:00:15,400 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26566 conditions, 1672 events. 745/1672 cut-off events. For 157206/157385 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 12444 event pairs, 26 based on Foata normal form. 40/1701 useless extension candidates. Maximal degree in co-relation 26296. Up to 505 conditions per place. [2021-03-26 08:00:15,429 INFO L142 LiptonReduction]: Number of co-enabled transitions 682 [2021-03-26 08:00:15,510 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:00:15,510 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:00:15,510 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 653 [2021-03-26 08:00:15,510 INFO L480 AbstractCegarLoop]: Abstraction has has 646 places, 899 transitions, 22838 flow [2021-03-26 08:00:15,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:15,510 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:00:15,511 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:00:15,511 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable274 [2021-03-26 08:00:15,511 INFO L428 AbstractCegarLoop]: === Iteration 276 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:00:15,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:00:15,511 INFO L82 PathProgramCache]: Analyzing trace with hash -475572401, now seen corresponding path program 11 times [2021-03-26 08:00:15,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:00:15,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103980142] [2021-03-26 08:00:15,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:00:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:00:15,538 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:00:15,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:00:15,543 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:00:15,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:15,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:15,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:15,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:15,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:15,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:15,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:15,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:15,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:15,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:15,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:15,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:15,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:00:15,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:15,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:00:15,643 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:00:15,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:15,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:00:15,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103980142] [2021-03-26 08:00:15,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:00:15,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:00:15,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549388649] [2021-03-26 08:00:15,646 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:00:15,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:00:15,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:00:15,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:00:15,648 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 179 [2021-03-26 08:00:15,648 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 646 places, 899 transitions, 22838 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:15,648 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:00:15,648 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 179 [2021-03-26 08:00:15,648 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:00:17,216 INFO L129 PetriNetUnfolder]: 924/1925 cut-off events. [2021-03-26 08:00:17,217 INFO L130 PetriNetUnfolder]: For 192271/192294 co-relation queries the response was YES. [2021-03-26 08:00:17,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31979 conditions, 1925 events. 924/1925 cut-off events. For 192271/192294 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 13627 event pairs, 106 based on Foata normal form. 12/1934 useless extension candidates. Maximal degree in co-relation 31696. Up to 1728 conditions per place. [2021-03-26 08:00:17,262 INFO L132 encePairwiseOnDemand]: 160/179 looper letters, 852 selfloop transitions, 45 changer transitions 2/907 dead transitions. [2021-03-26 08:00:17,262 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 658 places, 907 transitions, 24882 flow [2021-03-26 08:00:17,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 08:00:17,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 08:00:17,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 405 transitions. [2021-03-26 08:00:17,264 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17404383326171036 [2021-03-26 08:00:17,264 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 405 transitions. [2021-03-26 08:00:17,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 405 transitions. [2021-03-26 08:00:17,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:00:17,264 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 405 transitions. [2021-03-26 08:00:17,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.153846153846153) internal successors, (405), 13 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:17,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 179.0) internal successors, (2506), 14 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:17,265 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 179.0) internal successors, (2506), 14 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:17,265 INFO L185 Difference]: Start difference. First operand has 646 places, 899 transitions, 22838 flow. Second operand 13 states and 405 transitions. [2021-03-26 08:00:17,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 658 places, 907 transitions, 24882 flow [2021-03-26 08:00:18,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 645 places, 907 transitions, 24713 flow, removed 13 selfloop flow, removed 13 redundant places. [2021-03-26 08:00:18,655 INFO L241 Difference]: Finished difference. Result has 648 places, 899 transitions, 22771 flow [2021-03-26 08:00:18,656 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=22677, PETRI_DIFFERENCE_MINUEND_PLACES=633, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=899, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=854, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=22771, PETRI_PLACES=648, PETRI_TRANSITIONS=899} [2021-03-26 08:00:18,656 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 609 predicate places. [2021-03-26 08:00:18,656 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:00:18,656 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 648 places, 899 transitions, 22771 flow [2021-03-26 08:00:18,656 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 648 places, 899 transitions, 22771 flow [2021-03-26 08:00:18,665 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 647 places, 899 transitions, 22771 flow [2021-03-26 08:00:19,108 INFO L129 PetriNetUnfolder]: 745/1677 cut-off events. [2021-03-26 08:00:19,109 INFO L130 PetriNetUnfolder]: For 149552/149739 co-relation queries the response was YES. [2021-03-26 08:00:19,142 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26325 conditions, 1677 events. 745/1677 cut-off events. For 149552/149739 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 12523 event pairs, 26 based on Foata normal form. 28/1695 useless extension candidates. Maximal degree in co-relation 26064. Up to 507 conditions per place. [2021-03-26 08:00:19,167 INFO L142 LiptonReduction]: Number of co-enabled transitions 682 [2021-03-26 08:00:19,257 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:00:19,257 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:00:19,257 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 601 [2021-03-26 08:00:19,257 INFO L480 AbstractCegarLoop]: Abstraction has has 647 places, 899 transitions, 22771 flow [2021-03-26 08:00:19,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:19,257 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:00:19,257 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:00:19,257 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable275 [2021-03-26 08:00:19,257 INFO L428 AbstractCegarLoop]: === Iteration 277 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:00:19,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:00:19,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1093703341, now seen corresponding path program 12 times [2021-03-26 08:00:19,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:00:19,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190414256] [2021-03-26 08:00:19,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:00:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:00:19,265 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:00:19,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:00:19,280 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:00:19,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:19,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:19,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:19,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:19,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:19,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:19,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:19,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:19,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:00:19,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:19,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:19,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:19,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:00:19,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:19,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:00:19,388 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:00:19,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:19,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:00:19,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190414256] [2021-03-26 08:00:19,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:00:19,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:00:19,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029001284] [2021-03-26 08:00:19,390 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:00:19,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:00:19,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:00:19,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:00:19,391 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 179 [2021-03-26 08:00:19,391 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 647 places, 899 transitions, 22771 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:19,391 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:00:19,391 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 179 [2021-03-26 08:00:19,391 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:00:20,813 INFO L129 PetriNetUnfolder]: 925/1944 cut-off events. [2021-03-26 08:00:20,813 INFO L130 PetriNetUnfolder]: For 186574/186597 co-relation queries the response was YES. [2021-03-26 08:00:20,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31886 conditions, 1944 events. 925/1944 cut-off events. For 186574/186597 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 13812 event pairs, 139 based on Foata normal form. 13/1954 useless extension candidates. Maximal degree in co-relation 31613. Up to 1644 conditions per place. [2021-03-26 08:00:20,854 INFO L132 encePairwiseOnDemand]: 155/179 looper letters, 715 selfloop transitions, 188 changer transitions 5/916 dead transitions. [2021-03-26 08:00:20,854 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 662 places, 916 transitions, 25132 flow [2021-03-26 08:00:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 08:00:20,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 08:00:20,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 522 transitions. [2021-03-26 08:00:20,856 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.18226256983240224 [2021-03-26 08:00:20,856 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 522 transitions. [2021-03-26 08:00:20,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 522 transitions. [2021-03-26 08:00:20,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:00:20,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 522 transitions. [2021-03-26 08:00:20,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.625) internal successors, (522), 16 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:20,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 179.0) internal successors, (3043), 17 states have internal predecessors, (3043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:20,857 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 179.0) internal successors, (3043), 17 states have internal predecessors, (3043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:20,857 INFO L185 Difference]: Start difference. First operand has 647 places, 899 transitions, 22771 flow. Second operand 16 states and 522 transitions. [2021-03-26 08:00:20,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 662 places, 916 transitions, 25132 flow [2021-03-26 08:00:21,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 651 places, 916 transitions, 25024 flow, removed 10 selfloop flow, removed 11 redundant places. [2021-03-26 08:00:21,923 INFO L241 Difference]: Finished difference. Result has 656 places, 907 transitions, 23357 flow [2021-03-26 08:00:21,923 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=22667, PETRI_DIFFERENCE_MINUEND_PLACES=636, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=899, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=179, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=715, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=23357, PETRI_PLACES=656, PETRI_TRANSITIONS=907} [2021-03-26 08:00:21,923 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 617 predicate places. [2021-03-26 08:00:21,923 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:00:21,924 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 656 places, 907 transitions, 23357 flow [2021-03-26 08:00:21,924 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 656 places, 907 transitions, 23357 flow [2021-03-26 08:00:21,931 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 656 places, 907 transitions, 23357 flow [2021-03-26 08:00:22,314 INFO L129 PetriNetUnfolder]: 740/1684 cut-off events. [2021-03-26 08:00:22,314 INFO L130 PetriNetUnfolder]: For 152944/153126 co-relation queries the response was YES. [2021-03-26 08:00:22,341 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26629 conditions, 1684 events. 740/1684 cut-off events. For 152944/153126 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 12635 event pairs, 27 based on Foata normal form. 30/1704 useless extension candidates. Maximal degree in co-relation 26342. Up to 506 conditions per place. [2021-03-26 08:00:22,362 INFO L142 LiptonReduction]: Number of co-enabled transitions 694 [2021-03-26 08:00:22,627 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:00:22,627 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 08:00:22,627 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 704 [2021-03-26 08:00:22,627 INFO L480 AbstractCegarLoop]: Abstraction has has 656 places, 907 transitions, 23389 flow [2021-03-26 08:00:22,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:22,628 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:00:22,628 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:00:22,628 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable276 [2021-03-26 08:00:22,628 INFO L428 AbstractCegarLoop]: === Iteration 278 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:00:22,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:00:22,628 INFO L82 PathProgramCache]: Analyzing trace with hash 724583270, now seen corresponding path program 8 times [2021-03-26 08:00:22,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:00:22,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424442994] [2021-03-26 08:00:22,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:00:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:00:22,639 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:00:22,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:00:22,643 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:00:22,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:22,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:22,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:22,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:22,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:22,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:22,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:22,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:22,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:22,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:22,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:22,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:22,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:00:22,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:22,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:00:22,737 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:00:22,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:22,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:00:22,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424442994] [2021-03-26 08:00:22,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:00:22,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:00:22,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703114965] [2021-03-26 08:00:22,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:00:22,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:00:22,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:00:22,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:00:22,741 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 181 [2021-03-26 08:00:22,741 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 656 places, 907 transitions, 23389 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:22,741 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:00:22,741 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 181 [2021-03-26 08:00:22,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:00:24,075 INFO L129 PetriNetUnfolder]: 926/1965 cut-off events. [2021-03-26 08:00:24,075 INFO L130 PetriNetUnfolder]: For 189966/189989 co-relation queries the response was YES. [2021-03-26 08:00:24,113 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32306 conditions, 1965 events. 926/1965 cut-off events. For 189966/189989 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 14128 event pairs, 128 based on Foata normal form. 12/1974 useless extension candidates. Maximal degree in co-relation 32003. Up to 1717 conditions per place. [2021-03-26 08:00:24,123 INFO L132 encePairwiseOnDemand]: 164/181 looper letters, 838 selfloop transitions, 77 changer transitions 4/927 dead transitions. [2021-03-26 08:00:24,123 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 671 places, 927 transitions, 25457 flow [2021-03-26 08:00:24,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 08:00:24,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 08:00:24,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 500 transitions. [2021-03-26 08:00:24,125 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17265193370165746 [2021-03-26 08:00:24,125 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 500 transitions. [2021-03-26 08:00:24,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 500 transitions. [2021-03-26 08:00:24,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:00:24,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 500 transitions. [2021-03-26 08:00:24,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.25) internal successors, (500), 16 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:24,126 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 181.0) internal successors, (3077), 17 states have internal predecessors, (3077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:24,126 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 181.0) internal successors, (3077), 17 states have internal predecessors, (3077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:24,126 INFO L185 Difference]: Start difference. First operand has 656 places, 907 transitions, 23389 flow. Second operand 16 states and 500 transitions. [2021-03-26 08:00:24,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 671 places, 927 transitions, 25457 flow [2021-03-26 08:00:25,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 661 places, 927 transitions, 24916 flow, removed 124 selfloop flow, removed 10 redundant places. [2021-03-26 08:00:25,618 INFO L241 Difference]: Finished difference. Result has 666 places, 918 transitions, 23200 flow [2021-03-26 08:00:25,618 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=22856, PETRI_DIFFERENCE_MINUEND_PLACES=646, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=907, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=836, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=23200, PETRI_PLACES=666, PETRI_TRANSITIONS=918} [2021-03-26 08:00:25,618 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 627 predicate places. [2021-03-26 08:00:25,618 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:00:25,618 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 666 places, 918 transitions, 23200 flow [2021-03-26 08:00:25,619 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 666 places, 918 transitions, 23200 flow [2021-03-26 08:00:25,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 665 places, 918 transitions, 23200 flow [2021-03-26 08:00:26,144 INFO L129 PetriNetUnfolder]: 746/1717 cut-off events. [2021-03-26 08:00:26,144 INFO L130 PetriNetUnfolder]: For 152141/152309 co-relation queries the response was YES. [2021-03-26 08:00:26,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26698 conditions, 1717 events. 746/1717 cut-off events. For 152141/152309 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 13062 event pairs, 27 based on Foata normal form. 29/1737 useless extension candidates. Maximal degree in co-relation 26423. Up to 507 conditions per place. [2021-03-26 08:00:26,205 INFO L142 LiptonReduction]: Number of co-enabled transitions 708 [2021-03-26 08:00:26,485 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:00:26,485 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:00:26,485 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 867 [2021-03-26 08:00:26,485 INFO L480 AbstractCegarLoop]: Abstraction has has 665 places, 918 transitions, 23217 flow [2021-03-26 08:00:26,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:26,485 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:00:26,485 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:00:26,486 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable277 [2021-03-26 08:00:26,486 INFO L428 AbstractCegarLoop]: === Iteration 279 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:00:26,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:00:26,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1443340481, now seen corresponding path program 5 times [2021-03-26 08:00:26,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:00:26,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982490737] [2021-03-26 08:00:26,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:00:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:00:26,515 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:00:26,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:00:26,521 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:00:26,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:26,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:26,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:26,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:26,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:26,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:26,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:26,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:26,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:26,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:26,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:26,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:26,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:00:26,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:26,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:00:26,613 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:00:26,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:26,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:00:26,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982490737] [2021-03-26 08:00:26,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:00:26,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:00:26,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42465485] [2021-03-26 08:00:26,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:00:26,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:00:26,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:00:26,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:00:26,617 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 184 [2021-03-26 08:00:26,617 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 665 places, 918 transitions, 23217 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:26,617 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:00:26,617 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 184 [2021-03-26 08:00:26,617 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:00:28,076 INFO L129 PetriNetUnfolder]: 922/1973 cut-off events. [2021-03-26 08:00:28,076 INFO L130 PetriNetUnfolder]: For 187973/187996 co-relation queries the response was YES. [2021-03-26 08:00:28,112 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32162 conditions, 1973 events. 922/1973 cut-off events. For 187973/187996 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 14275 event pairs, 139 based on Foata normal form. 12/1982 useless extension candidates. Maximal degree in co-relation 31881. Up to 1755 conditions per place. [2021-03-26 08:00:28,122 INFO L132 encePairwiseOnDemand]: 167/184 looper letters, 869 selfloop transitions, 46 changer transitions 2/925 dead transitions. [2021-03-26 08:00:28,122 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 677 places, 925 transitions, 25115 flow [2021-03-26 08:00:28,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 08:00:28,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 08:00:28,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 408 transitions. [2021-03-26 08:00:28,124 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1705685618729097 [2021-03-26 08:00:28,124 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 408 transitions. [2021-03-26 08:00:28,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 408 transitions. [2021-03-26 08:00:28,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:00:28,124 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 408 transitions. [2021-03-26 08:00:28,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.384615384615383) internal successors, (408), 13 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:28,125 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 184.0) internal successors, (2576), 14 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:28,125 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 184.0) internal successors, (2576), 14 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:28,125 INFO L185 Difference]: Start difference. First operand has 665 places, 918 transitions, 23217 flow. Second operand 13 states and 408 transitions. [2021-03-26 08:00:28,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 677 places, 925 transitions, 25115 flow [2021-03-26 08:00:29,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 668 places, 925 transitions, 24956 flow, removed 30 selfloop flow, removed 9 redundant places. [2021-03-26 08:00:29,508 INFO L241 Difference]: Finished difference. Result has 673 places, 920 transitions, 23199 flow [2021-03-26 08:00:29,509 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=23062, PETRI_DIFFERENCE_MINUEND_PLACES=656, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=918, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=872, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=23199, PETRI_PLACES=673, PETRI_TRANSITIONS=920} [2021-03-26 08:00:29,509 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 634 predicate places. [2021-03-26 08:00:29,509 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:00:29,509 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 673 places, 920 transitions, 23199 flow [2021-03-26 08:00:29,509 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 673 places, 920 transitions, 23199 flow [2021-03-26 08:00:29,517 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 672 places, 920 transitions, 23199 flow [2021-03-26 08:00:29,944 INFO L129 PetriNetUnfolder]: 743/1727 cut-off events. [2021-03-26 08:00:29,944 INFO L130 PetriNetUnfolder]: For 152247/152415 co-relation queries the response was YES. [2021-03-26 08:00:29,975 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26711 conditions, 1727 events. 743/1727 cut-off events. For 152247/152415 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 13234 event pairs, 25 based on Foata normal form. 29/1747 useless extension candidates. Maximal degree in co-relation 26434. Up to 506 conditions per place. [2021-03-26 08:00:29,999 INFO L142 LiptonReduction]: Number of co-enabled transitions 710 [2021-03-26 08:00:30,247 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:00:30,248 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 08:00:30,248 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 739 [2021-03-26 08:00:30,248 INFO L480 AbstractCegarLoop]: Abstraction has has 672 places, 920 transitions, 23223 flow [2021-03-26 08:00:30,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:30,248 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:00:30,248 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:00:30,248 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable278 [2021-03-26 08:00:30,248 INFO L428 AbstractCegarLoop]: === Iteration 280 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:00:30,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:00:30,248 INFO L82 PathProgramCache]: Analyzing trace with hash -435276358, now seen corresponding path program 1 times [2021-03-26 08:00:30,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:00:30,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170960976] [2021-03-26 08:00:30,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:00:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:00:30,284 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:00:30,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:00:30,288 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:00:30,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:30,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:30,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:30,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:30,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:30,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:30,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:30,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:30,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:00:30,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:30,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:30,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:30,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:00:30,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:30,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:00:30,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:00:30,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170960976] [2021-03-26 08:00:30,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:00:30,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 08:00:30,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243004863] [2021-03-26 08:00:30,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 08:00:30,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:00:30,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 08:00:30,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 08:00:30,346 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 185 [2021-03-26 08:00:30,346 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 672 places, 920 transitions, 23223 flow. Second operand has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:30,346 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:00:30,346 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 185 [2021-03-26 08:00:30,346 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:00:31,577 INFO L129 PetriNetUnfolder]: 921/1968 cut-off events. [2021-03-26 08:00:31,577 INFO L130 PetriNetUnfolder]: For 187320/187324 co-relation queries the response was YES. [2021-03-26 08:00:31,609 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32177 conditions, 1968 events. 921/1968 cut-off events. For 187320/187324 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 14170 event pairs, 145 based on Foata normal form. 6/1971 useless extension candidates. Maximal degree in co-relation 31895. Up to 1661 conditions per place. [2021-03-26 08:00:31,618 INFO L132 encePairwiseOnDemand]: 159/185 looper letters, 730 selfloop transitions, 181 changer transitions 5/924 dead transitions. [2021-03-26 08:00:31,618 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 683 places, 924 transitions, 25259 flow [2021-03-26 08:00:31,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 08:00:31,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 08:00:31,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 412 transitions. [2021-03-26 08:00:31,620 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.18558558558558558 [2021-03-26 08:00:31,620 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 412 transitions. [2021-03-26 08:00:31,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 412 transitions. [2021-03-26 08:00:31,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:00:31,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 412 transitions. [2021-03-26 08:00:31,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 34.333333333333336) internal successors, (412), 12 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:31,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 185.0) internal successors, (2405), 13 states have internal predecessors, (2405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:31,621 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 185.0) internal successors, (2405), 13 states have internal predecessors, (2405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:31,621 INFO L185 Difference]: Start difference. First operand has 672 places, 920 transitions, 23223 flow. Second operand 12 states and 412 transitions. [2021-03-26 08:00:31,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 683 places, 924 transitions, 25259 flow [2021-03-26 08:00:32,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 675 places, 924 transitions, 25146 flow, removed 17 selfloop flow, removed 8 redundant places. [2021-03-26 08:00:32,920 INFO L241 Difference]: Finished difference. Result has 678 places, 916 transitions, 23453 flow [2021-03-26 08:00:32,920 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=23110, PETRI_DIFFERENCE_MINUEND_PLACES=664, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=920, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=181, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=739, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=23453, PETRI_PLACES=678, PETRI_TRANSITIONS=916} [2021-03-26 08:00:32,920 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 639 predicate places. [2021-03-26 08:00:32,920 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:00:32,920 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 678 places, 916 transitions, 23453 flow [2021-03-26 08:00:32,920 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 678 places, 916 transitions, 23453 flow [2021-03-26 08:00:32,928 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 678 places, 916 transitions, 23453 flow [2021-03-26 08:00:33,344 INFO L129 PetriNetUnfolder]: 740/1711 cut-off events. [2021-03-26 08:00:33,344 INFO L130 PetriNetUnfolder]: For 154777/154949 co-relation queries the response was YES. [2021-03-26 08:00:33,376 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26920 conditions, 1711 events. 740/1711 cut-off events. For 154777/154949 co-relation queries the response was YES. Maximal size of possible extension queue 219. Compared 13064 event pairs, 30 based on Foata normal form. 29/1726 useless extension candidates. Maximal degree in co-relation 26612. Up to 510 conditions per place. [2021-03-26 08:00:33,399 INFO L142 LiptonReduction]: Number of co-enabled transitions 708 [2021-03-26 08:00:33,491 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:00:33,491 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:00:33,491 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 571 [2021-03-26 08:00:33,492 INFO L480 AbstractCegarLoop]: Abstraction has has 678 places, 916 transitions, 23453 flow [2021-03-26 08:00:33,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:33,492 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:00:33,492 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:00:33,492 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable279 [2021-03-26 08:00:33,492 INFO L428 AbstractCegarLoop]: === Iteration 281 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:00:33,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:00:33,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1482628559, now seen corresponding path program 1 times [2021-03-26 08:00:33,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:00:33,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465347659] [2021-03-26 08:00:33,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:00:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:00:33,498 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:00:33,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:00:33,503 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:00:33,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:33,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:33,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:33,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:33,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:33,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:33,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:33,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:33,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:33,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:33,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:00:33,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:33,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:00:33,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:33,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:00:33,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:00:33,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465347659] [2021-03-26 08:00:33,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:00:33,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 08:00:33,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921285345] [2021-03-26 08:00:33,560 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:00:33,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:00:33,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:00:33,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:00:33,560 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 185 [2021-03-26 08:00:33,560 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 678 places, 916 transitions, 23453 flow. Second operand has 8 states, 8 states have (on average 27.25) internal successors, (218), 8 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:33,560 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:00:33,560 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 185 [2021-03-26 08:00:33,561 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:00:34,720 INFO L129 PetriNetUnfolder]: 918/1957 cut-off events. [2021-03-26 08:00:34,720 INFO L130 PetriNetUnfolder]: For 189766/189789 co-relation queries the response was YES. [2021-03-26 08:00:34,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32310 conditions, 1957 events. 918/1957 cut-off events. For 189766/189789 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 14151 event pairs, 139 based on Foata normal form. 12/1966 useless extension candidates. Maximal degree in co-relation 31998. Up to 1725 conditions per place. [2021-03-26 08:00:34,763 INFO L132 encePairwiseOnDemand]: 166/185 looper letters, 840 selfloop transitions, 69 changer transitions 2/919 dead transitions. [2021-03-26 08:00:34,763 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 687 places, 919 transitions, 25318 flow [2021-03-26 08:00:34,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 08:00:34,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 08:00:34,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 333 transitions. [2021-03-26 08:00:34,764 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.18 [2021-03-26 08:00:34,764 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 333 transitions. [2021-03-26 08:00:34,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 333 transitions. [2021-03-26 08:00:34,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:00:34,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 333 transitions. [2021-03-26 08:00:34,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 33.3) internal successors, (333), 10 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:34,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 185.0) internal successors, (2035), 11 states have internal predecessors, (2035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:34,765 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 185.0) internal successors, (2035), 11 states have internal predecessors, (2035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:34,765 INFO L185 Difference]: Start difference. First operand has 678 places, 916 transitions, 23453 flow. Second operand 10 states and 333 transitions. [2021-03-26 08:00:34,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 687 places, 919 transitions, 25318 flow [2021-03-26 08:00:36,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 673 places, 919 transitions, 24873 flow, removed 3 selfloop flow, removed 14 redundant places. [2021-03-26 08:00:36,177 INFO L241 Difference]: Finished difference. Result has 675 places, 915 transitions, 23181 flow [2021-03-26 08:00:36,177 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=23008, PETRI_DIFFERENCE_MINUEND_PLACES=664, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=916, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=847, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=23181, PETRI_PLACES=675, PETRI_TRANSITIONS=915} [2021-03-26 08:00:36,178 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 636 predicate places. [2021-03-26 08:00:36,178 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:00:36,178 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 675 places, 915 transitions, 23181 flow [2021-03-26 08:00:36,178 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 675 places, 915 transitions, 23181 flow [2021-03-26 08:00:36,187 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 674 places, 915 transitions, 23181 flow [2021-03-26 08:00:36,720 INFO L129 PetriNetUnfolder]: 739/1711 cut-off events. [2021-03-26 08:00:36,720 INFO L130 PetriNetUnfolder]: For 153417/153597 co-relation queries the response was YES. [2021-03-26 08:00:36,764 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26662 conditions, 1711 events. 739/1711 cut-off events. For 153417/153597 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 13047 event pairs, 24 based on Foata normal form. 29/1731 useless extension candidates. Maximal degree in co-relation 26364. Up to 505 conditions per place. [2021-03-26 08:00:36,798 INFO L142 LiptonReduction]: Number of co-enabled transitions 708 [2021-03-26 08:00:36,918 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:00:36,918 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:00:36,918 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 740 [2021-03-26 08:00:36,919 INFO L480 AbstractCegarLoop]: Abstraction has has 674 places, 915 transitions, 23181 flow [2021-03-26 08:00:36,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 27.25) internal successors, (218), 8 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:36,919 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:00:36,919 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:00:36,919 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable280 [2021-03-26 08:00:36,919 INFO L428 AbstractCegarLoop]: === Iteration 282 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:00:36,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:00:36,919 INFO L82 PathProgramCache]: Analyzing trace with hash 317208161, now seen corresponding path program 2 times [2021-03-26 08:00:36,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:00:36,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664924334] [2021-03-26 08:00:36,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:00:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:00:36,925 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:00:36,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:00:36,929 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:00:36,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:36,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:36,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:36,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:36,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:36,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:36,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:36,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:36,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:36,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:36,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:00:36,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:36,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:00:36,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:36,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:00:36,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:00:36,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664924334] [2021-03-26 08:00:36,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:00:36,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 08:00:36,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366379998] [2021-03-26 08:00:36,989 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 08:00:36,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:00:36,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 08:00:36,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 08:00:36,989 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 185 [2021-03-26 08:00:36,990 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 674 places, 915 transitions, 23181 flow. Second operand has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:36,990 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:00:36,990 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 185 [2021-03-26 08:00:36,990 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:00:38,158 INFO L129 PetriNetUnfolder]: 917/1953 cut-off events. [2021-03-26 08:00:38,158 INFO L130 PetriNetUnfolder]: For 186852/186856 co-relation queries the response was YES. [2021-03-26 08:00:38,197 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32057 conditions, 1953 events. 917/1953 cut-off events. For 186852/186856 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 14014 event pairs, 146 based on Foata normal form. 5/1955 useless extension candidates. Maximal degree in co-relation 31755. Up to 1723 conditions per place. [2021-03-26 08:00:38,207 INFO L132 encePairwiseOnDemand]: 166/185 looper letters, 840 selfloop transitions, 67 changer transitions 3/918 dead transitions. [2021-03-26 08:00:38,207 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 684 places, 918 transitions, 25026 flow [2021-03-26 08:00:38,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 08:00:38,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 08:00:38,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 358 transitions. [2021-03-26 08:00:38,209 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1759213759213759 [2021-03-26 08:00:38,209 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 358 transitions. [2021-03-26 08:00:38,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 358 transitions. [2021-03-26 08:00:38,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:00:38,209 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 358 transitions. [2021-03-26 08:00:38,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 32.54545454545455) internal successors, (358), 11 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:38,210 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 185.0) internal successors, (2220), 12 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:38,210 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 185.0) internal successors, (2220), 12 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:38,210 INFO L185 Difference]: Start difference. First operand has 674 places, 915 transitions, 23181 flow. Second operand 11 states and 358 transitions. [2021-03-26 08:00:38,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 684 places, 918 transitions, 25026 flow [2021-03-26 08:00:39,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 674 places, 918 transitions, 24847 flow, removed 2 selfloop flow, removed 10 redundant places. [2021-03-26 08:00:39,443 INFO L241 Difference]: Finished difference. Result has 676 places, 913 transitions, 23098 flow [2021-03-26 08:00:39,443 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=23002, PETRI_DIFFERENCE_MINUEND_PLACES=664, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=915, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=848, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=23098, PETRI_PLACES=676, PETRI_TRANSITIONS=913} [2021-03-26 08:00:39,443 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 637 predicate places. [2021-03-26 08:00:39,443 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:00:39,443 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 676 places, 913 transitions, 23098 flow [2021-03-26 08:00:39,443 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 676 places, 913 transitions, 23098 flow [2021-03-26 08:00:39,450 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 672 places, 913 transitions, 23098 flow [2021-03-26 08:00:39,838 INFO L129 PetriNetUnfolder]: 738/1708 cut-off events. [2021-03-26 08:00:39,838 INFO L130 PetriNetUnfolder]: For 151232/151364 co-relation queries the response was YES. [2021-03-26 08:00:39,867 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26624 conditions, 1708 events. 738/1708 cut-off events. For 151232/151364 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 13035 event pairs, 24 based on Foata normal form. 28/1728 useless extension candidates. Maximal degree in co-relation 26363. Up to 504 conditions per place. [2021-03-26 08:00:39,888 INFO L142 LiptonReduction]: Number of co-enabled transitions 708 [2021-03-26 08:00:39,978 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:00:39,978 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:00:39,978 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 535 [2021-03-26 08:00:39,979 INFO L480 AbstractCegarLoop]: Abstraction has has 672 places, 913 transitions, 23098 flow [2021-03-26 08:00:39,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:39,979 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:00:39,979 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:00:39,979 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable281 [2021-03-26 08:00:39,979 INFO L428 AbstractCegarLoop]: === Iteration 283 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:00:39,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:00:39,979 INFO L82 PathProgramCache]: Analyzing trace with hash -264002423, now seen corresponding path program 1 times [2021-03-26 08:00:39,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:00:39,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205986468] [2021-03-26 08:00:39,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:00:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:00:39,986 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:00:39,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:00:39,992 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:00:39,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:39,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:39,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:40,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:40,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:40,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:40,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:40,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:40,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:40,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:40,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:40,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:40,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:00:40,075 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:00:40,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:40,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:00:40,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205986468] [2021-03-26 08:00:40,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:00:40,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:00:40,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249998298] [2021-03-26 08:00:40,078 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:00:40,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:00:40,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:00:40,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:00:40,078 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 185 [2021-03-26 08:00:40,079 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 672 places, 913 transitions, 23098 flow. Second operand has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:40,079 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:00:40,079 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 185 [2021-03-26 08:00:40,079 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:00:41,220 INFO L129 PetriNetUnfolder]: 916/1951 cut-off events. [2021-03-26 08:00:41,220 INFO L130 PetriNetUnfolder]: For 187857/187880 co-relation queries the response was YES. [2021-03-26 08:00:41,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31994 conditions, 1951 events. 916/1951 cut-off events. For 187857/187880 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 14079 event pairs, 139 based on Foata normal form. 13/1961 useless extension candidates. Maximal degree in co-relation 31731. Up to 1745 conditions per place. [2021-03-26 08:00:41,265 INFO L132 encePairwiseOnDemand]: 168/185 looper letters, 861 selfloop transitions, 40 changer transitions 5/914 dead transitions. [2021-03-26 08:00:41,265 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 683 places, 914 transitions, 24914 flow [2021-03-26 08:00:41,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 08:00:41,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 08:00:41,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 375 transitions. [2021-03-26 08:00:41,267 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16891891891891891 [2021-03-26 08:00:41,267 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 375 transitions. [2021-03-26 08:00:41,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 375 transitions. [2021-03-26 08:00:41,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:00:41,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 375 transitions. [2021-03-26 08:00:41,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 31.25) internal successors, (375), 12 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:41,268 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 185.0) internal successors, (2405), 13 states have internal predecessors, (2405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:41,268 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 185.0) internal successors, (2405), 13 states have internal predecessors, (2405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:41,268 INFO L185 Difference]: Start difference. First operand has 672 places, 913 transitions, 23098 flow. Second operand 12 states and 375 transitions. [2021-03-26 08:00:41,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 683 places, 914 transitions, 24914 flow [2021-03-26 08:00:42,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 674 places, 914 transitions, 24776 flow, removed 2 selfloop flow, removed 9 redundant places. [2021-03-26 08:00:42,487 INFO L241 Difference]: Finished difference. Result has 675 places, 908 transitions, 22982 flow [2021-03-26 08:00:42,488 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=22960, PETRI_DIFFERENCE_MINUEND_PLACES=663, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=913, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=873, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=22982, PETRI_PLACES=675, PETRI_TRANSITIONS=908} [2021-03-26 08:00:42,488 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 636 predicate places. [2021-03-26 08:00:42,488 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:00:42,488 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 675 places, 908 transitions, 22982 flow [2021-03-26 08:00:42,488 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 675 places, 908 transitions, 22982 flow [2021-03-26 08:00:42,496 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 669 places, 908 transitions, 22982 flow [2021-03-26 08:00:42,877 INFO L129 PetriNetUnfolder]: 737/1698 cut-off events. [2021-03-26 08:00:42,877 INFO L130 PetriNetUnfolder]: For 152461/152599 co-relation queries the response was YES. [2021-03-26 08:00:42,906 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26584 conditions, 1698 events. 737/1698 cut-off events. For 152461/152599 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 12915 event pairs, 24 based on Foata normal form. 28/1716 useless extension candidates. Maximal degree in co-relation 26293. Up to 505 conditions per place. [2021-03-26 08:00:42,928 INFO L142 LiptonReduction]: Number of co-enabled transitions 706 [2021-03-26 08:00:43,017 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:00:43,018 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:00:43,018 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 530 [2021-03-26 08:00:43,018 INFO L480 AbstractCegarLoop]: Abstraction has has 669 places, 908 transitions, 22982 flow [2021-03-26 08:00:43,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:43,018 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:00:43,018 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:00:43,018 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable282 [2021-03-26 08:00:43,018 INFO L428 AbstractCegarLoop]: === Iteration 284 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:00:43,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:00:43,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1156177129, now seen corresponding path program 2 times [2021-03-26 08:00:43,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:00:43,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914578199] [2021-03-26 08:00:43,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:00:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:00:43,024 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:00:43,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:00:43,028 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:00:43,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:43,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:43,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:43,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:43,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:43,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:43,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:43,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:43,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:43,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:43,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:00:43,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:43,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:00:43,103 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:00:43,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:43,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:00:43,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914578199] [2021-03-26 08:00:43,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:00:43,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:00:43,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524358655] [2021-03-26 08:00:43,106 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:00:43,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:00:43,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:00:43,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:00:43,107 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 185 [2021-03-26 08:00:43,107 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 669 places, 908 transitions, 22982 flow. Second operand has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:43,107 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:00:43,107 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 185 [2021-03-26 08:00:43,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:00:44,203 INFO L129 PetriNetUnfolder]: 916/1937 cut-off events. [2021-03-26 08:00:44,203 INFO L130 PetriNetUnfolder]: For 187743/187766 co-relation queries the response was YES. [2021-03-26 08:00:44,241 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31915 conditions, 1937 events. 916/1937 cut-off events. For 187743/187766 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 13880 event pairs, 139 based on Foata normal form. 12/1946 useless extension candidates. Maximal degree in co-relation 31617. Up to 1741 conditions per place. [2021-03-26 08:00:44,252 INFO L132 encePairwiseOnDemand]: 168/185 looper letters, 859 selfloop transitions, 38 changer transitions 4/909 dead transitions. [2021-03-26 08:00:44,252 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 679 places, 909 transitions, 24788 flow [2021-03-26 08:00:44,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 08:00:44,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 08:00:44,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 346 transitions. [2021-03-26 08:00:44,253 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17002457002457003 [2021-03-26 08:00:44,253 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 346 transitions. [2021-03-26 08:00:44,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 346 transitions. [2021-03-26 08:00:44,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:00:44,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 346 transitions. [2021-03-26 08:00:44,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 31.454545454545453) internal successors, (346), 11 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:44,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 185.0) internal successors, (2220), 12 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:44,255 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 185.0) internal successors, (2220), 12 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:44,255 INFO L185 Difference]: Start difference. First operand has 669 places, 908 transitions, 22982 flow. Second operand 11 states and 346 transitions. [2021-03-26 08:00:44,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 679 places, 909 transitions, 24788 flow [2021-03-26 08:00:45,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 666 places, 909 transitions, 24594 flow, removed 26 selfloop flow, removed 13 redundant places. [2021-03-26 08:00:45,500 INFO L241 Difference]: Finished difference. Result has 667 places, 904 transitions, 22783 flow [2021-03-26 08:00:45,500 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=22788, PETRI_DIFFERENCE_MINUEND_PLACES=656, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=908, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=870, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=22783, PETRI_PLACES=667, PETRI_TRANSITIONS=904} [2021-03-26 08:00:45,500 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 628 predicate places. [2021-03-26 08:00:45,500 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:00:45,500 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 667 places, 904 transitions, 22783 flow [2021-03-26 08:00:45,501 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 667 places, 904 transitions, 22783 flow [2021-03-26 08:00:45,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 660 places, 904 transitions, 22783 flow [2021-03-26 08:00:45,915 INFO L129 PetriNetUnfolder]: 733/1691 cut-off events. [2021-03-26 08:00:45,915 INFO L130 PetriNetUnfolder]: For 143897/144072 co-relation queries the response was YES. [2021-03-26 08:00:45,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26036 conditions, 1691 events. 733/1691 cut-off events. For 143897/144072 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 12846 event pairs, 20 based on Foata normal form. 26/1711 useless extension candidates. Maximal degree in co-relation 25781. Up to 503 conditions per place. [2021-03-26 08:00:45,969 INFO L142 LiptonReduction]: Number of co-enabled transitions 706 [2021-03-26 08:00:46,060 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:00:46,060 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:00:46,061 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 561 [2021-03-26 08:00:46,061 INFO L480 AbstractCegarLoop]: Abstraction has has 660 places, 904 transitions, 22783 flow [2021-03-26 08:00:46,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:46,061 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:00:46,061 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:00:46,061 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable283 [2021-03-26 08:00:46,061 INFO L428 AbstractCegarLoop]: === Iteration 285 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:00:46,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:00:46,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1256769176, now seen corresponding path program 1 times [2021-03-26 08:00:46,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:00:46,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323366287] [2021-03-26 08:00:46,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:00:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:00:46,067 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:00:46,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:00:46,071 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:00:46,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:46,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:46,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:46,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:46,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:46,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:46,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:46,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:46,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:46,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:46,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:46,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:46,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:00:46,135 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:00:46,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:46,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:00:46,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323366287] [2021-03-26 08:00:46,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:00:46,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 08:00:46,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366362226] [2021-03-26 08:00:46,137 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 08:00:46,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:00:46,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 08:00:46,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 08:00:46,138 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 185 [2021-03-26 08:00:46,138 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 660 places, 904 transitions, 22783 flow. Second operand has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:46,138 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:00:46,138 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 185 [2021-03-26 08:00:46,138 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:00:47,270 INFO L129 PetriNetUnfolder]: 914/1934 cut-off events. [2021-03-26 08:00:47,270 INFO L130 PetriNetUnfolder]: For 180215/180255 co-relation queries the response was YES. [2021-03-26 08:00:47,306 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31430 conditions, 1934 events. 914/1934 cut-off events. For 180215/180255 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 13847 event pairs, 134 based on Foata normal form. 14/1944 useless extension candidates. Maximal degree in co-relation 31173. Up to 1711 conditions per place. [2021-03-26 08:00:47,317 INFO L132 encePairwiseOnDemand]: 168/185 looper letters, 835 selfloop transitions, 60 changer transitions 5/908 dead transitions. [2021-03-26 08:00:47,317 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 671 places, 908 transitions, 24616 flow [2021-03-26 08:00:47,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 08:00:47,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 08:00:47,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 385 transitions. [2021-03-26 08:00:47,319 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17342342342342343 [2021-03-26 08:00:47,319 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 385 transitions. [2021-03-26 08:00:47,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 385 transitions. [2021-03-26 08:00:47,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:00:47,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 385 transitions. [2021-03-26 08:00:47,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 32.083333333333336) internal successors, (385), 12 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:47,320 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 185.0) internal successors, (2405), 13 states have internal predecessors, (2405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:47,320 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 185.0) internal successors, (2405), 13 states have internal predecessors, (2405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:47,320 INFO L185 Difference]: Start difference. First operand has 660 places, 904 transitions, 22783 flow. Second operand 12 states and 385 transitions. [2021-03-26 08:00:47,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 671 places, 908 transitions, 24616 flow [2021-03-26 08:00:48,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 663 places, 908 transitions, 24534 flow, removed 3 selfloop flow, removed 8 redundant places. [2021-03-26 08:00:48,694 INFO L241 Difference]: Finished difference. Result has 666 places, 901 transitions, 22791 flow [2021-03-26 08:00:48,694 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=22701, PETRI_DIFFERENCE_MINUEND_PLACES=652, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=904, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=844, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=22791, PETRI_PLACES=666, PETRI_TRANSITIONS=901} [2021-03-26 08:00:48,694 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 627 predicate places. [2021-03-26 08:00:48,694 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:00:48,694 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 666 places, 901 transitions, 22791 flow [2021-03-26 08:00:48,695 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 666 places, 901 transitions, 22791 flow [2021-03-26 08:00:48,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 662 places, 901 transitions, 22791 flow [2021-03-26 08:00:49,072 INFO L129 PetriNetUnfolder]: 731/1686 cut-off events. [2021-03-26 08:00:49,072 INFO L130 PetriNetUnfolder]: For 143819/144006 co-relation queries the response was YES. [2021-03-26 08:00:49,100 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26001 conditions, 1686 events. 731/1686 cut-off events. For 143819/144006 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 12739 event pairs, 21 based on Foata normal form. 26/1705 useless extension candidates. Maximal degree in co-relation 25742. Up to 503 conditions per place. [2021-03-26 08:00:49,122 INFO L142 LiptonReduction]: Number of co-enabled transitions 700 [2021-03-26 08:00:49,203 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:00:49,203 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:00:49,203 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 509 [2021-03-26 08:00:49,204 INFO L480 AbstractCegarLoop]: Abstraction has has 662 places, 901 transitions, 22791 flow [2021-03-26 08:00:49,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:49,204 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:00:49,204 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:00:49,204 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable284 [2021-03-26 08:00:49,204 INFO L428 AbstractCegarLoop]: === Iteration 286 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:00:49,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:00:49,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1584052446, now seen corresponding path program 9 times [2021-03-26 08:00:49,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:00:49,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057804855] [2021-03-26 08:00:49,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:00:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:00:49,210 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:00:49,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:00:49,214 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:00:49,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:49,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:49,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:49,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:49,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:49,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:49,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:49,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:49,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:49,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:49,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:49,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:49,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:00:49,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:49,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:00:49,302 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:00:49,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:49,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:00:49,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057804855] [2021-03-26 08:00:49,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:00:49,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:00:49,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454956961] [2021-03-26 08:00:49,305 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:00:49,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:00:49,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:00:49,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:00:49,306 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 185 [2021-03-26 08:00:49,306 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 662 places, 901 transitions, 22791 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:49,306 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:00:49,306 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 185 [2021-03-26 08:00:49,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:00:50,497 INFO L129 PetriNetUnfolder]: 913/1928 cut-off events. [2021-03-26 08:00:50,497 INFO L130 PetriNetUnfolder]: For 178328/178358 co-relation queries the response was YES. [2021-03-26 08:00:50,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31417 conditions, 1928 events. 913/1928 cut-off events. For 178328/178358 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 13744 event pairs, 134 based on Foata normal form. 19/1944 useless extension candidates. Maximal degree in co-relation 31156. Up to 1697 conditions per place. [2021-03-26 08:00:50,539 INFO L132 encePairwiseOnDemand]: 168/185 looper letters, 827 selfloop transitions, 64 changer transitions 5/904 dead transitions. [2021-03-26 08:00:50,539 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 676 places, 904 transitions, 24599 flow [2021-03-26 08:00:50,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 08:00:50,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 08:00:50,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 465 transitions. [2021-03-26 08:00:50,540 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16756756756756758 [2021-03-26 08:00:50,540 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 465 transitions. [2021-03-26 08:00:50,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 465 transitions. [2021-03-26 08:00:50,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:00:50,540 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 465 transitions. [2021-03-26 08:00:50,541 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.0) internal successors, (465), 15 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:50,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 185.0) internal successors, (2960), 16 states have internal predecessors, (2960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:50,542 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 185.0) internal successors, (2960), 16 states have internal predecessors, (2960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:50,542 INFO L185 Difference]: Start difference. First operand has 662 places, 901 transitions, 22791 flow. Second operand 15 states and 465 transitions. [2021-03-26 08:00:50,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 676 places, 904 transitions, 24599 flow [2021-03-26 08:00:51,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 666 places, 904 transitions, 24463 flow, removed 8 selfloop flow, removed 10 redundant places. [2021-03-26 08:00:51,650 INFO L241 Difference]: Finished difference. Result has 667 places, 896 transitions, 22704 flow [2021-03-26 08:00:51,650 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=22659, PETRI_DIFFERENCE_MINUEND_PLACES=652, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=901, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=837, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=22704, PETRI_PLACES=667, PETRI_TRANSITIONS=896} [2021-03-26 08:00:51,650 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 628 predicate places. [2021-03-26 08:00:51,650 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:00:51,650 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 667 places, 896 transitions, 22704 flow [2021-03-26 08:00:51,650 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 667 places, 896 transitions, 22704 flow [2021-03-26 08:00:51,657 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 663 places, 896 transitions, 22704 flow [2021-03-26 08:00:52,021 INFO L129 PetriNetUnfolder]: 729/1681 cut-off events. [2021-03-26 08:00:52,022 INFO L130 PetriNetUnfolder]: For 143804/143985 co-relation queries the response was YES. [2021-03-26 08:00:52,049 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25986 conditions, 1681 events. 729/1681 cut-off events. For 143804/143985 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 12730 event pairs, 20 based on Foata normal form. 24/1699 useless extension candidates. Maximal degree in co-relation 25702. Up to 503 conditions per place. [2021-03-26 08:00:52,071 INFO L142 LiptonReduction]: Number of co-enabled transitions 696 [2021-03-26 08:00:52,162 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:00:52,162 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:00:52,162 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 512 [2021-03-26 08:00:52,162 INFO L480 AbstractCegarLoop]: Abstraction has has 663 places, 896 transitions, 22704 flow [2021-03-26 08:00:52,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:52,162 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:00:52,162 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:00:52,163 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable285 [2021-03-26 08:00:52,163 INFO L428 AbstractCegarLoop]: === Iteration 287 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:00:52,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:00:52,163 INFO L82 PathProgramCache]: Analyzing trace with hash 989699565, now seen corresponding path program 6 times [2021-03-26 08:00:52,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:00:52,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171569789] [2021-03-26 08:00:52,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:00:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:00:52,169 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:00:52,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:00:52,173 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:00:52,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:52,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:52,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:52,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:52,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:52,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:52,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:52,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:52,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:52,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:52,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:52,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:52,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:00:52,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:52,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:00:52,263 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:00:52,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:52,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:00:52,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171569789] [2021-03-26 08:00:52,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:00:52,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:00:52,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840096868] [2021-03-26 08:00:52,265 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:00:52,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:00:52,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:00:52,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:00:52,266 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 185 [2021-03-26 08:00:52,266 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 663 places, 896 transitions, 22704 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:52,266 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:00:52,266 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 185 [2021-03-26 08:00:52,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:00:53,360 INFO L129 PetriNetUnfolder]: 911/1923 cut-off events. [2021-03-26 08:00:53,361 INFO L130 PetriNetUnfolder]: For 178089/178112 co-relation queries the response was YES. [2021-03-26 08:00:53,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31365 conditions, 1923 events. 911/1923 cut-off events. For 178089/178112 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 13688 event pairs, 134 based on Foata normal form. 12/1932 useless extension candidates. Maximal degree in co-relation 31069. Up to 1727 conditions per place. [2021-03-26 08:00:53,402 INFO L132 encePairwiseOnDemand]: 168/185 looper letters, 848 selfloop transitions, 36 changer transitions 6/898 dead transitions. [2021-03-26 08:00:53,402 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 674 places, 898 transitions, 24504 flow [2021-03-26 08:00:53,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 08:00:53,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 08:00:53,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 371 transitions. [2021-03-26 08:00:53,404 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1671171171171171 [2021-03-26 08:00:53,404 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 371 transitions. [2021-03-26 08:00:53,404 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 371 transitions. [2021-03-26 08:00:53,404 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:00:53,404 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 371 transitions. [2021-03-26 08:00:53,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 30.916666666666668) internal successors, (371), 12 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:53,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 185.0) internal successors, (2405), 13 states have internal predecessors, (2405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:53,405 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 185.0) internal successors, (2405), 13 states have internal predecessors, (2405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:53,405 INFO L185 Difference]: Start difference. First operand has 663 places, 896 transitions, 22704 flow. Second operand 12 states and 371 transitions. [2021-03-26 08:00:53,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 674 places, 898 transitions, 24504 flow [2021-03-26 08:00:54,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 661 places, 898 transitions, 24362 flow, removed 2 selfloop flow, removed 13 redundant places. [2021-03-26 08:00:54,573 INFO L241 Difference]: Finished difference. Result has 663 places, 891 transitions, 22525 flow [2021-03-26 08:00:54,573 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=22562, PETRI_DIFFERENCE_MINUEND_PLACES=650, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=896, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=860, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=22525, PETRI_PLACES=663, PETRI_TRANSITIONS=891} [2021-03-26 08:00:54,573 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 624 predicate places. [2021-03-26 08:00:54,573 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:00:54,573 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 663 places, 891 transitions, 22525 flow [2021-03-26 08:00:54,573 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 663 places, 891 transitions, 22525 flow [2021-03-26 08:00:54,580 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 653 places, 891 transitions, 22525 flow [2021-03-26 08:00:54,952 INFO L129 PetriNetUnfolder]: 726/1671 cut-off events. [2021-03-26 08:00:54,952 INFO L130 PetriNetUnfolder]: For 144688/144858 co-relation queries the response was YES. [2021-03-26 08:00:54,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25870 conditions, 1671 events. 726/1671 cut-off events. For 144688/144858 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 12571 event pairs, 20 based on Foata normal form. 26/1690 useless extension candidates. Maximal degree in co-relation 25586. Up to 502 conditions per place. [2021-03-26 08:00:55,001 INFO L142 LiptonReduction]: Number of co-enabled transitions 696 [2021-03-26 08:00:55,085 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:00:55,086 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:00:55,086 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 513 [2021-03-26 08:00:55,086 INFO L480 AbstractCegarLoop]: Abstraction has has 653 places, 891 transitions, 22525 flow [2021-03-26 08:00:55,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:55,086 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:00:55,086 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:00:55,086 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable286 [2021-03-26 08:00:55,086 INFO L428 AbstractCegarLoop]: === Iteration 288 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:00:55,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:00:55,086 INFO L82 PathProgramCache]: Analyzing trace with hash -591574034, now seen corresponding path program 10 times [2021-03-26 08:00:55,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:00:55,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291184123] [2021-03-26 08:00:55,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:00:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:00:55,092 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:00:55,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:00:55,097 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:00:55,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:55,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:55,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:55,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:55,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:55,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:55,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:55,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:55,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:55,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:55,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:55,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:55,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:00:55,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:55,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:00:55,186 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:00:55,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:55,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:00:55,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291184123] [2021-03-26 08:00:55,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:00:55,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:00:55,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49931697] [2021-03-26 08:00:55,188 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:00:55,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:00:55,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:00:55,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:00:55,189 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 185 [2021-03-26 08:00:55,189 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 653 places, 891 transitions, 22525 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:55,189 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:00:55,189 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 185 [2021-03-26 08:00:55,189 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:00:56,363 INFO L129 PetriNetUnfolder]: 910/1917 cut-off events. [2021-03-26 08:00:56,363 INFO L130 PetriNetUnfolder]: For 176746/176769 co-relation queries the response was YES. [2021-03-26 08:00:56,396 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31255 conditions, 1917 events. 910/1917 cut-off events. For 176746/176769 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 13624 event pairs, 106 based on Foata normal form. 12/1926 useless extension candidates. Maximal degree in co-relation 30959. Up to 1699 conditions per place. [2021-03-26 08:00:56,405 INFO L132 encePairwiseOnDemand]: 169/185 looper letters, 823 selfloop transitions, 56 changer transitions 7/894 dead transitions. [2021-03-26 08:00:56,406 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 666 places, 894 transitions, 24325 flow [2021-03-26 08:00:56,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 08:00:56,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 08:00:56,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 435 transitions. [2021-03-26 08:00:56,407 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16795366795366795 [2021-03-26 08:00:56,407 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 435 transitions. [2021-03-26 08:00:56,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 435 transitions. [2021-03-26 08:00:56,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:00:56,407 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 435 transitions. [2021-03-26 08:00:56,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.071428571428573) internal successors, (435), 14 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:56,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 185.0) internal successors, (2775), 15 states have internal predecessors, (2775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:56,409 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 185.0) internal successors, (2775), 15 states have internal predecessors, (2775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:56,409 INFO L185 Difference]: Start difference. First operand has 653 places, 891 transitions, 22525 flow. Second operand 14 states and 435 transitions. [2021-03-26 08:00:56,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 666 places, 894 transitions, 24325 flow [2021-03-26 08:00:57,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 654 places, 894 transitions, 24226 flow, removed 12 selfloop flow, removed 12 redundant places. [2021-03-26 08:00:57,591 INFO L241 Difference]: Finished difference. Result has 656 places, 886 transitions, 22466 flow [2021-03-26 08:00:57,591 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=22428, PETRI_DIFFERENCE_MINUEND_PLACES=641, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=891, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=835, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=22466, PETRI_PLACES=656, PETRI_TRANSITIONS=886} [2021-03-26 08:00:57,591 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 617 predicate places. [2021-03-26 08:00:57,591 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:00:57,591 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 656 places, 886 transitions, 22466 flow [2021-03-26 08:00:57,591 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 656 places, 886 transitions, 22466 flow [2021-03-26 08:00:57,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 653 places, 886 transitions, 22466 flow [2021-03-26 08:00:57,955 INFO L129 PetriNetUnfolder]: 724/1660 cut-off events. [2021-03-26 08:00:57,955 INFO L130 PetriNetUnfolder]: For 142486/142670 co-relation queries the response was YES. [2021-03-26 08:00:57,984 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25765 conditions, 1660 events. 724/1660 cut-off events. For 142486/142670 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 12452 event pairs, 21 based on Foata normal form. 25/1676 useless extension candidates. Maximal degree in co-relation 25486. Up to 503 conditions per place. [2021-03-26 08:00:58,005 INFO L142 LiptonReduction]: Number of co-enabled transitions 696 [2021-03-26 08:00:58,088 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:00:58,088 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:00:58,088 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 497 [2021-03-26 08:00:58,089 INFO L480 AbstractCegarLoop]: Abstraction has has 653 places, 886 transitions, 22466 flow [2021-03-26 08:00:58,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:58,089 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:00:58,089 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:00:58,089 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable287 [2021-03-26 08:00:58,089 INFO L428 AbstractCegarLoop]: === Iteration 289 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:00:58,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:00:58,089 INFO L82 PathProgramCache]: Analyzing trace with hash -958676322, now seen corresponding path program 11 times [2021-03-26 08:00:58,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:00:58,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836578344] [2021-03-26 08:00:58,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:00:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:00:58,095 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:00:58,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:00:58,100 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:00:58,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:58,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:58,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:58,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:58,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:58,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:58,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:58,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:58,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:00:58,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:58,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:58,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:00:58,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:58,175 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 08:00:58,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:00:58,179 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:00:58,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:00:58,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:00:58,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836578344] [2021-03-26 08:00:58,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:00:58,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:00:58,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11226292] [2021-03-26 08:00:58,182 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:00:58,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:00:58,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:00:58,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:00:58,182 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 185 [2021-03-26 08:00:58,182 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 653 places, 886 transitions, 22466 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:58,182 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:00:58,182 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 185 [2021-03-26 08:00:58,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:00:59,330 INFO L129 PetriNetUnfolder]: 908/1905 cut-off events. [2021-03-26 08:00:59,330 INFO L130 PetriNetUnfolder]: For 175902/175925 co-relation queries the response was YES. [2021-03-26 08:00:59,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31137 conditions, 1905 events. 908/1905 cut-off events. For 175902/175925 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 13454 event pairs, 134 based on Foata normal form. 12/1914 useless extension candidates. Maximal degree in co-relation 30850. Up to 1697 conditions per place. [2021-03-26 08:00:59,372 INFO L132 encePairwiseOnDemand]: 169/185 looper letters, 825 selfloop transitions, 50 changer transitions 4/887 dead transitions. [2021-03-26 08:00:59,372 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 663 places, 887 transitions, 24228 flow [2021-03-26 08:00:59,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 08:00:59,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 08:00:59,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 354 transitions. [2021-03-26 08:00:59,374 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17395577395577397 [2021-03-26 08:00:59,374 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 354 transitions. [2021-03-26 08:00:59,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 354 transitions. [2021-03-26 08:00:59,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:00:59,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 354 transitions. [2021-03-26 08:00:59,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 32.18181818181818) internal successors, (354), 11 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:59,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 185.0) internal successors, (2220), 12 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:59,375 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 185.0) internal successors, (2220), 12 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:00:59,375 INFO L185 Difference]: Start difference. First operand has 653 places, 886 transitions, 22466 flow. Second operand 11 states and 354 transitions. [2021-03-26 08:00:59,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 663 places, 887 transitions, 24228 flow [2021-03-26 08:01:00,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 650 places, 887 transitions, 24083 flow, removed 2 selfloop flow, removed 13 redundant places. [2021-03-26 08:01:00,454 INFO L241 Difference]: Finished difference. Result has 651 places, 882 transitions, 22416 flow [2021-03-26 08:01:00,454 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=22321, PETRI_DIFFERENCE_MINUEND_PLACES=640, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=886, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=836, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=22416, PETRI_PLACES=651, PETRI_TRANSITIONS=882} [2021-03-26 08:01:00,454 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 612 predicate places. [2021-03-26 08:01:00,454 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:01:00,454 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 651 places, 882 transitions, 22416 flow [2021-03-26 08:01:00,454 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 651 places, 882 transitions, 22416 flow [2021-03-26 08:01:00,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 649 places, 882 transitions, 22416 flow [2021-03-26 08:01:00,812 INFO L129 PetriNetUnfolder]: 723/1649 cut-off events. [2021-03-26 08:01:00,812 INFO L130 PetriNetUnfolder]: For 141971/142175 co-relation queries the response was YES. [2021-03-26 08:01:00,838 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25678 conditions, 1649 events. 723/1649 cut-off events. For 141971/142175 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 12325 event pairs, 23 based on Foata normal form. 24/1661 useless extension candidates. Maximal degree in co-relation 25399. Up to 502 conditions per place. [2021-03-26 08:01:00,859 INFO L142 LiptonReduction]: Number of co-enabled transitions 692 [2021-03-26 08:01:00,943 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:01:00,943 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:01:00,943 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 489 [2021-03-26 08:01:00,943 INFO L480 AbstractCegarLoop]: Abstraction has has 649 places, 882 transitions, 22416 flow [2021-03-26 08:01:00,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:00,943 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:01:00,943 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:01:00,944 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable288 [2021-03-26 08:01:00,944 INFO L428 AbstractCegarLoop]: === Iteration 290 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:01:00,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:01:00,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1616757976, now seen corresponding path program 12 times [2021-03-26 08:01:00,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:01:00,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169900394] [2021-03-26 08:01:00,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:01:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:01:00,949 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:01:00,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:01:00,954 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:01:00,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:00,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:00,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:00,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:00,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:00,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:00,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:00,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:00,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:01,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:01,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:01,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:01,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:01,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:01,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:01:01,044 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:01:01,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:01,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:01:01,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169900394] [2021-03-26 08:01:01,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:01:01,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:01:01,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445822629] [2021-03-26 08:01:01,047 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:01:01,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:01:01,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:01:01,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:01:01,047 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 185 [2021-03-26 08:01:01,047 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 649 places, 882 transitions, 22416 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:01,047 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:01:01,047 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 185 [2021-03-26 08:01:01,047 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:01:02,192 INFO L129 PetriNetUnfolder]: 907/1891 cut-off events. [2021-03-26 08:01:02,192 INFO L130 PetriNetUnfolder]: For 175418/175436 co-relation queries the response was YES. [2021-03-26 08:01:02,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31060 conditions, 1891 events. 907/1891 cut-off events. For 175418/175436 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 13291 event pairs, 108 based on Foata normal form. 6/1893 useless extension candidates. Maximal degree in co-relation 30780. Up to 1692 conditions per place. [2021-03-26 08:01:02,239 INFO L132 encePairwiseOnDemand]: 169/185 looper letters, 823 selfloop transitions, 43 changer transitions 9/883 dead transitions. [2021-03-26 08:01:02,239 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 660 places, 883 transitions, 24170 flow [2021-03-26 08:01:02,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 08:01:02,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 08:01:02,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 379 transitions. [2021-03-26 08:01:02,240 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17072072072072073 [2021-03-26 08:01:02,240 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 379 transitions. [2021-03-26 08:01:02,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 379 transitions. [2021-03-26 08:01:02,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:01:02,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 379 transitions. [2021-03-26 08:01:02,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 31.583333333333332) internal successors, (379), 12 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:02,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 185.0) internal successors, (2405), 13 states have internal predecessors, (2405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:02,242 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 185.0) internal successors, (2405), 13 states have internal predecessors, (2405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:02,242 INFO L185 Difference]: Start difference. First operand has 649 places, 882 transitions, 22416 flow. Second operand 12 states and 379 transitions. [2021-03-26 08:01:02,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 660 places, 883 transitions, 24170 flow [2021-03-26 08:01:03,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 648 places, 883 transitions, 24037 flow, removed 3 selfloop flow, removed 12 redundant places. [2021-03-26 08:01:03,330 INFO L241 Difference]: Finished difference. Result has 649 places, 873 transitions, 22258 flow [2021-03-26 08:01:03,330 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=22283, PETRI_DIFFERENCE_MINUEND_PLACES=637, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=882, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=839, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=22258, PETRI_PLACES=649, PETRI_TRANSITIONS=873} [2021-03-26 08:01:03,330 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 610 predicate places. [2021-03-26 08:01:03,330 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:01:03,330 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 649 places, 873 transitions, 22258 flow [2021-03-26 08:01:03,330 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 649 places, 873 transitions, 22258 flow [2021-03-26 08:01:03,337 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 637 places, 873 transitions, 22258 flow [2021-03-26 08:01:03,712 INFO L129 PetriNetUnfolder]: 722/1635 cut-off events. [2021-03-26 08:01:03,712 INFO L130 PetriNetUnfolder]: For 142732/142962 co-relation queries the response was YES. [2021-03-26 08:01:03,740 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25624 conditions, 1635 events. 722/1635 cut-off events. For 142732/142962 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 12154 event pairs, 20 based on Foata normal form. 24/1645 useless extension candidates. Maximal degree in co-relation 25366. Up to 502 conditions per place. [2021-03-26 08:01:03,760 INFO L142 LiptonReduction]: Number of co-enabled transitions 692 [2021-03-26 08:01:03,830 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:01:03,830 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:01:03,830 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 500 [2021-03-26 08:01:03,831 INFO L480 AbstractCegarLoop]: Abstraction has has 637 places, 873 transitions, 22258 flow [2021-03-26 08:01:03,831 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:03,831 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:01:03,831 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:01:03,831 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable289 [2021-03-26 08:01:03,831 INFO L428 AbstractCegarLoop]: === Iteration 291 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:01:03,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:01:03,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1335041577, now seen corresponding path program 13 times [2021-03-26 08:01:03,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:01:03,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875749105] [2021-03-26 08:01:03,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:01:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:01:03,837 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:01:03,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:01:03,841 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:01:03,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:03,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:03,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:03,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:03,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:03,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:03,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:03,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:03,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:03,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:03,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:03,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:03,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:01:03,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:03,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:01:03,930 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:01:03,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:03,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:01:03,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875749105] [2021-03-26 08:01:03,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:01:03,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:01:03,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158654510] [2021-03-26 08:01:03,932 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:01:03,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:01:03,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:01:03,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:01:03,933 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 185 [2021-03-26 08:01:03,933 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 637 places, 873 transitions, 22258 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:03,933 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:01:03,933 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 185 [2021-03-26 08:01:03,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:01:04,989 INFO L129 PetriNetUnfolder]: 906/1878 cut-off events. [2021-03-26 08:01:04,989 INFO L130 PetriNetUnfolder]: For 174075/174098 co-relation queries the response was YES. [2021-03-26 08:01:05,023 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30937 conditions, 1878 events. 906/1878 cut-off events. For 174075/174098 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 13131 event pairs, 141 based on Foata normal form. 12/1887 useless extension candidates. Maximal degree in co-relation 30676. Up to 1687 conditions per place. [2021-03-26 08:01:05,032 INFO L132 encePairwiseOnDemand]: 167/185 looper letters, 825 selfloop transitions, 41 changer transitions 4/878 dead transitions. [2021-03-26 08:01:05,033 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 649 places, 878 transitions, 24201 flow [2021-03-26 08:01:05,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 08:01:05,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 08:01:05,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 403 transitions. [2021-03-26 08:01:05,034 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16756756756756758 [2021-03-26 08:01:05,034 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 403 transitions. [2021-03-26 08:01:05,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 403 transitions. [2021-03-26 08:01:05,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:01:05,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 403 transitions. [2021-03-26 08:01:05,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.0) internal successors, (403), 13 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:05,035 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 185.0) internal successors, (2590), 14 states have internal predecessors, (2590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:05,035 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 185.0) internal successors, (2590), 14 states have internal predecessors, (2590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:05,035 INFO L185 Difference]: Start difference. First operand has 637 places, 873 transitions, 22258 flow. Second operand 13 states and 403 transitions. [2021-03-26 08:01:05,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 649 places, 878 transitions, 24201 flow [2021-03-26 08:01:06,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 635 places, 878 transitions, 24029 flow, removed 3 selfloop flow, removed 14 redundant places. [2021-03-26 08:01:06,092 INFO L241 Difference]: Finished difference. Result has 636 places, 869 transitions, 22098 flow [2021-03-26 08:01:06,092 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=22088, PETRI_DIFFERENCE_MINUEND_PLACES=623, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=873, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=832, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=22098, PETRI_PLACES=636, PETRI_TRANSITIONS=869} [2021-03-26 08:01:06,092 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 597 predicate places. [2021-03-26 08:01:06,092 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:01:06,092 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 636 places, 869 transitions, 22098 flow [2021-03-26 08:01:06,092 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 636 places, 869 transitions, 22098 flow [2021-03-26 08:01:06,099 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 628 places, 869 transitions, 22098 flow [2021-03-26 08:01:06,453 INFO L129 PetriNetUnfolder]: 720/1621 cut-off events. [2021-03-26 08:01:06,453 INFO L130 PetriNetUnfolder]: For 142169/142439 co-relation queries the response was YES. [2021-03-26 08:01:06,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25420 conditions, 1621 events. 720/1621 cut-off events. For 142169/142439 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 12001 event pairs, 22 based on Foata normal form. 27/1634 useless extension candidates. Maximal degree in co-relation 25154. Up to 505 conditions per place. [2021-03-26 08:01:06,498 INFO L142 LiptonReduction]: Number of co-enabled transitions 692 [2021-03-26 08:01:06,700 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:01:06,700 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 08:01:06,700 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 608 [2021-03-26 08:01:06,700 INFO L480 AbstractCegarLoop]: Abstraction has has 628 places, 869 transitions, 22109 flow [2021-03-26 08:01:06,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:06,700 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:01:06,700 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:01:06,701 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable290 [2021-03-26 08:01:06,701 INFO L428 AbstractCegarLoop]: === Iteration 292 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:01:06,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:01:06,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1203743428, now seen corresponding path program 13 times [2021-03-26 08:01:06,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:01:06,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409974433] [2021-03-26 08:01:06,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:01:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:01:06,707 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:01:06,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:01:06,711 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:01:06,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:06,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:06,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:06,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:06,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:06,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:06,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:06,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:06,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:06,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:06,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:06,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:06,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:01:06,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:06,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:01:06,787 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:01:06,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:06,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:01:06,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409974433] [2021-03-26 08:01:06,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:01:06,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:01:06,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171081382] [2021-03-26 08:01:06,789 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:01:06,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:01:06,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:01:06,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:01:06,790 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 186 [2021-03-26 08:01:06,790 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 628 places, 869 transitions, 22109 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:06,790 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:01:06,790 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 186 [2021-03-26 08:01:06,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:01:07,978 INFO L129 PetriNetUnfolder]: 904/1889 cut-off events. [2021-03-26 08:01:07,978 INFO L130 PetriNetUnfolder]: For 169668/169691 co-relation queries the response was YES. [2021-03-26 08:01:08,005 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30768 conditions, 1889 events. 904/1889 cut-off events. For 169668/169691 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 13299 event pairs, 137 based on Foata normal form. 12/1898 useless extension candidates. Maximal degree in co-relation 30485. Up to 1683 conditions per place. [2021-03-26 08:01:08,015 INFO L132 encePairwiseOnDemand]: 170/186 looper letters, 818 selfloop transitions, 49 changer transitions 3/878 dead transitions. [2021-03-26 08:01:08,015 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 641 places, 878 transitions, 23936 flow [2021-03-26 08:01:08,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 08:01:08,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 08:01:08,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 438 transitions. [2021-03-26 08:01:08,016 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16820276497695852 [2021-03-26 08:01:08,016 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 438 transitions. [2021-03-26 08:01:08,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 438 transitions. [2021-03-26 08:01:08,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:01:08,017 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 438 transitions. [2021-03-26 08:01:08,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.285714285714285) internal successors, (438), 14 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:08,018 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 186.0) internal successors, (2790), 15 states have internal predecessors, (2790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:08,018 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 186.0) internal successors, (2790), 15 states have internal predecessors, (2790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:08,018 INFO L185 Difference]: Start difference. First operand has 628 places, 869 transitions, 22109 flow. Second operand 14 states and 438 transitions. [2021-03-26 08:01:08,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 641 places, 878 transitions, 23936 flow [2021-03-26 08:01:09,022 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 629 places, 878 transitions, 23836 flow, removed 9 selfloop flow, removed 12 redundant places. [2021-03-26 08:01:09,037 INFO L241 Difference]: Finished difference. Result has 633 places, 872 transitions, 22166 flow [2021-03-26 08:01:09,037 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=22013, PETRI_DIFFERENCE_MINUEND_PLACES=616, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=869, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=821, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=22166, PETRI_PLACES=633, PETRI_TRANSITIONS=872} [2021-03-26 08:01:09,037 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 594 predicate places. [2021-03-26 08:01:09,037 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:01:09,037 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 633 places, 872 transitions, 22166 flow [2021-03-26 08:01:09,037 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 633 places, 872 transitions, 22166 flow [2021-03-26 08:01:09,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 632 places, 872 transitions, 22166 flow [2021-03-26 08:01:09,385 INFO L129 PetriNetUnfolder]: 718/1633 cut-off events. [2021-03-26 08:01:09,385 INFO L130 PetriNetUnfolder]: For 139326/139605 co-relation queries the response was YES. [2021-03-26 08:01:09,411 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25369 conditions, 1633 events. 718/1633 cut-off events. For 139326/139605 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 12185 event pairs, 25 based on Foata normal form. 27/1645 useless extension candidates. Maximal degree in co-relation 25107. Up to 506 conditions per place. [2021-03-26 08:01:09,431 INFO L142 LiptonReduction]: Number of co-enabled transitions 694 [2021-03-26 08:01:09,842 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 08:01:09,842 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 08:01:09,842 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 805 [2021-03-26 08:01:09,842 INFO L480 AbstractCegarLoop]: Abstraction has has 631 places, 871 transitions, 22181 flow [2021-03-26 08:01:09,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:09,842 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:01:09,842 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:01:09,843 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable291 [2021-03-26 08:01:09,843 INFO L428 AbstractCegarLoop]: === Iteration 293 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:01:09,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:01:09,843 INFO L82 PathProgramCache]: Analyzing trace with hash 620105776, now seen corresponding path program 1 times [2021-03-26 08:01:09,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:01:09,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660798445] [2021-03-26 08:01:09,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:01:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:01:09,848 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:01:09,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:01:09,853 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:01:09,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:09,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:09,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:09,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:09,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:09,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:09,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:09,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:09,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:09,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:09,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:09,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:09,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:09,928 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 08:01:09,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:09,932 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:01:09,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:09,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:01:09,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660798445] [2021-03-26 08:01:09,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:01:09,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:01:09,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378937219] [2021-03-26 08:01:09,935 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:01:09,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:01:09,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:01:09,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:01:09,935 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 188 [2021-03-26 08:01:09,935 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 631 places, 871 transitions, 22181 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:09,935 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:01:09,935 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 188 [2021-03-26 08:01:09,935 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:01:11,188 INFO L129 PetriNetUnfolder]: 902/1887 cut-off events. [2021-03-26 08:01:11,188 INFO L130 PetriNetUnfolder]: For 168103/168133 co-relation queries the response was YES. [2021-03-26 08:01:11,222 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30705 conditions, 1887 events. 902/1887 cut-off events. For 168103/168133 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 13282 event pairs, 128 based on Foata normal form. 19/1903 useless extension candidates. Maximal degree in co-relation 30444. Up to 1619 conditions per place. [2021-03-26 08:01:11,231 INFO L132 encePairwiseOnDemand]: 167/188 looper letters, 728 selfloop transitions, 141 changer transitions 3/880 dead transitions. [2021-03-26 08:01:11,231 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 643 places, 880 transitions, 24164 flow [2021-03-26 08:01:11,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 08:01:11,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 08:01:11,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 420 transitions. [2021-03-26 08:01:11,233 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1718494271685761 [2021-03-26 08:01:11,233 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 420 transitions. [2021-03-26 08:01:11,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 420 transitions. [2021-03-26 08:01:11,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:01:11,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 420 transitions. [2021-03-26 08:01:11,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.30769230769231) internal successors, (420), 13 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:11,234 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 188.0) internal successors, (2632), 14 states have internal predecessors, (2632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:11,234 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 188.0) internal successors, (2632), 14 states have internal predecessors, (2632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:11,234 INFO L185 Difference]: Start difference. First operand has 631 places, 871 transitions, 22181 flow. Second operand 13 states and 420 transitions. [2021-03-26 08:01:11,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 643 places, 880 transitions, 24164 flow [2021-03-26 08:01:12,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 631 places, 880 transitions, 24045 flow, removed 14 selfloop flow, removed 12 redundant places. [2021-03-26 08:01:12,299 INFO L241 Difference]: Finished difference. Result has 634 places, 873 transitions, 22446 flow [2021-03-26 08:01:12,299 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=22013, PETRI_DIFFERENCE_MINUEND_PLACES=619, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=870, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=731, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=22446, PETRI_PLACES=634, PETRI_TRANSITIONS=873} [2021-03-26 08:01:12,300 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 595 predicate places. [2021-03-26 08:01:12,300 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:01:12,300 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 634 places, 873 transitions, 22446 flow [2021-03-26 08:01:12,300 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 634 places, 873 transitions, 22446 flow [2021-03-26 08:01:12,307 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 633 places, 873 transitions, 22446 flow [2021-03-26 08:01:12,696 INFO L129 PetriNetUnfolder]: 724/1644 cut-off events. [2021-03-26 08:01:12,696 INFO L130 PetriNetUnfolder]: For 142575/142861 co-relation queries the response was YES. [2021-03-26 08:01:12,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25806 conditions, 1644 events. 724/1644 cut-off events. For 142575/142861 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 12253 event pairs, 24 based on Foata normal form. 26/1653 useless extension candidates. Maximal degree in co-relation 25521. Up to 503 conditions per place. [2021-03-26 08:01:12,748 INFO L142 LiptonReduction]: Number of co-enabled transitions 692 [2021-03-26 08:01:12,957 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:01:12,957 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 08:01:12,957 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 657 [2021-03-26 08:01:12,958 INFO L480 AbstractCegarLoop]: Abstraction has has 633 places, 873 transitions, 22456 flow [2021-03-26 08:01:12,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:12,958 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:01:12,958 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:01:12,958 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable292 [2021-03-26 08:01:12,958 INFO L428 AbstractCegarLoop]: === Iteration 294 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:01:12,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:01:12,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1973167902, now seen corresponding path program 2 times [2021-03-26 08:01:12,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:01:12,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206870720] [2021-03-26 08:01:12,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:01:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:01:12,963 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:01:12,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:01:12,968 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:01:12,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:12,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:12,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:12,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:12,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:12,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:12,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:13,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:13,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:13,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:13,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:13,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:13,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:13,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:13,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:01:13,054 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:01:13,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:13,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:01:13,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206870720] [2021-03-26 08:01:13,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:01:13,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:01:13,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810045895] [2021-03-26 08:01:13,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:01:13,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:01:13,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:01:13,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:01:13,058 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 189 [2021-03-26 08:01:13,058 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 633 places, 873 transitions, 22456 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:13,058 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:01:13,058 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 189 [2021-03-26 08:01:13,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:01:14,313 INFO L129 PetriNetUnfolder]: 901/1884 cut-off events. [2021-03-26 08:01:14,314 INFO L130 PetriNetUnfolder]: For 174126/174130 co-relation queries the response was YES. [2021-03-26 08:01:14,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31099 conditions, 1884 events. 901/1884 cut-off events. For 174126/174130 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 13158 event pairs, 141 based on Foata normal form. 5/1886 useless extension candidates. Maximal degree in co-relation 30807. Up to 1573 conditions per place. [2021-03-26 08:01:14,352 INFO L132 encePairwiseOnDemand]: 164/189 looper letters, 681 selfloop transitions, 189 changer transitions 4/882 dead transitions. [2021-03-26 08:01:14,352 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 646 places, 882 transitions, 24577 flow [2021-03-26 08:01:14,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 08:01:14,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 08:01:14,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 453 transitions. [2021-03-26 08:01:14,353 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1712018140589569 [2021-03-26 08:01:14,353 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 453 transitions. [2021-03-26 08:01:14,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 453 transitions. [2021-03-26 08:01:14,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:01:14,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 453 transitions. [2021-03-26 08:01:14,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.357142857142854) internal successors, (453), 14 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:14,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 189.0) internal successors, (2835), 15 states have internal predecessors, (2835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:14,355 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 189.0) internal successors, (2835), 15 states have internal predecessors, (2835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:14,355 INFO L185 Difference]: Start difference. First operand has 633 places, 873 transitions, 22456 flow. Second operand 14 states and 453 transitions. [2021-03-26 08:01:14,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 646 places, 882 transitions, 24577 flow [2021-03-26 08:01:15,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 636 places, 882 transitions, 24203 flow, removed 50 selfloop flow, removed 10 redundant places. [2021-03-26 08:01:15,407 INFO L241 Difference]: Finished difference. Result has 639 places, 873 transitions, 22565 flow [2021-03-26 08:01:15,407 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=22082, PETRI_DIFFERENCE_MINUEND_PLACES=623, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=873, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=188, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=684, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=22565, PETRI_PLACES=639, PETRI_TRANSITIONS=873} [2021-03-26 08:01:15,407 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 600 predicate places. [2021-03-26 08:01:15,407 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:01:15,407 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 639 places, 873 transitions, 22565 flow [2021-03-26 08:01:15,407 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 639 places, 873 transitions, 22565 flow [2021-03-26 08:01:15,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 637 places, 873 transitions, 22565 flow [2021-03-26 08:01:15,766 INFO L129 PetriNetUnfolder]: 722/1640 cut-off events. [2021-03-26 08:01:15,767 INFO L130 PetriNetUnfolder]: For 147866/148175 co-relation queries the response was YES. [2021-03-26 08:01:15,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26031 conditions, 1640 events. 722/1640 cut-off events. For 147866/148175 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 12237 event pairs, 28 based on Foata normal form. 19/1643 useless extension candidates. Maximal degree in co-relation 25758. Up to 500 conditions per place. [2021-03-26 08:01:15,813 INFO L142 LiptonReduction]: Number of co-enabled transitions 692 [2021-03-26 08:01:15,892 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:01:15,892 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:01:15,892 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 485 [2021-03-26 08:01:15,892 INFO L480 AbstractCegarLoop]: Abstraction has has 637 places, 873 transitions, 22565 flow [2021-03-26 08:01:15,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:15,892 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:01:15,892 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:01:15,893 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable293 [2021-03-26 08:01:15,893 INFO L428 AbstractCegarLoop]: === Iteration 295 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:01:15,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:01:15,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1551434636, now seen corresponding path program 14 times [2021-03-26 08:01:15,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:01:15,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351377886] [2021-03-26 08:01:15,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:01:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:01:15,898 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:01:15,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:01:15,903 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:01:15,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:15,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:15,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:15,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:15,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:15,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:15,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:15,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:15,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:01:15,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:15,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:15,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:15,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:01:15,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:15,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:01:15,970 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:01:15,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:15,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:01:15,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351377886] [2021-03-26 08:01:15,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:01:15,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 08:01:15,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163096436] [2021-03-26 08:01:15,973 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 08:01:15,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:01:15,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 08:01:15,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 08:01:15,974 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 189 [2021-03-26 08:01:15,974 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 637 places, 873 transitions, 22565 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:15,974 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:01:15,974 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 189 [2021-03-26 08:01:15,974 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:01:17,036 INFO L129 PetriNetUnfolder]: 901/1884 cut-off events. [2021-03-26 08:01:17,036 INFO L130 PetriNetUnfolder]: For 179341/179364 co-relation queries the response was YES. [2021-03-26 08:01:17,077 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31262 conditions, 1884 events. 901/1884 cut-off events. For 179341/179364 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 13254 event pairs, 118 based on Foata normal form. 12/1893 useless extension candidates. Maximal degree in co-relation 30982. Up to 1688 conditions per place. [2021-03-26 08:01:17,091 INFO L132 encePairwiseOnDemand]: 173/189 looper letters, 820 selfloop transitions, 41 changer transitions 5/874 dead transitions. [2021-03-26 08:01:17,092 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 646 places, 874 transitions, 24301 flow [2021-03-26 08:01:17,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 08:01:17,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 08:01:17,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 324 transitions. [2021-03-26 08:01:17,093 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17142857142857143 [2021-03-26 08:01:17,093 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 324 transitions. [2021-03-26 08:01:17,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 324 transitions. [2021-03-26 08:01:17,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:01:17,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 324 transitions. [2021-03-26 08:01:17,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 32.4) internal successors, (324), 10 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:17,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 189.0) internal successors, (2079), 11 states have internal predecessors, (2079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:17,095 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 189.0) internal successors, (2079), 11 states have internal predecessors, (2079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:17,095 INFO L185 Difference]: Start difference. First operand has 637 places, 873 transitions, 22565 flow. Second operand 10 states and 324 transitions. [2021-03-26 08:01:17,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 646 places, 874 transitions, 24301 flow [2021-03-26 08:01:18,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 634 places, 874 transitions, 23932 flow, removed 32 selfloop flow, removed 12 redundant places. [2021-03-26 08:01:18,498 INFO L241 Difference]: Finished difference. Result has 635 places, 868 transitions, 22211 flow [2021-03-26 08:01:18,499 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=22196, PETRI_DIFFERENCE_MINUEND_PLACES=625, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=873, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=832, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=22211, PETRI_PLACES=635, PETRI_TRANSITIONS=868} [2021-03-26 08:01:18,499 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 596 predicate places. [2021-03-26 08:01:18,499 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:01:18,499 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 635 places, 868 transitions, 22211 flow [2021-03-26 08:01:18,499 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 635 places, 868 transitions, 22211 flow [2021-03-26 08:01:18,506 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 627 places, 868 transitions, 22211 flow [2021-03-26 08:01:18,918 INFO L129 PetriNetUnfolder]: 717/1623 cut-off events. [2021-03-26 08:01:18,918 INFO L130 PetriNetUnfolder]: For 142572/142804 co-relation queries the response was YES. [2021-03-26 08:01:18,959 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25589 conditions, 1623 events. 717/1623 cut-off events. For 142572/142804 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 12073 event pairs, 24 based on Foata normal form. 18/1627 useless extension candidates. Maximal degree in co-relation 25320. Up to 496 conditions per place. [2021-03-26 08:01:18,992 INFO L142 LiptonReduction]: Number of co-enabled transitions 688 [2021-03-26 08:01:19,109 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:01:19,110 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:01:19,110 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 611 [2021-03-26 08:01:19,110 INFO L480 AbstractCegarLoop]: Abstraction has has 627 places, 868 transitions, 22211 flow [2021-03-26 08:01:19,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:19,110 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:01:19,110 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:01:19,110 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable294 [2021-03-26 08:01:19,110 INFO L428 AbstractCegarLoop]: === Iteration 296 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:01:19,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:01:19,111 INFO L82 PathProgramCache]: Analyzing trace with hash -625387668, now seen corresponding path program 15 times [2021-03-26 08:01:19,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:01:19,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002610528] [2021-03-26 08:01:19,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:01:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:01:19,118 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:01:19,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:01:19,124 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:01:19,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:19,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:19,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:19,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:19,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:19,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:19,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:19,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:19,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:19,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:19,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:19,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:19,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:01:19,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:19,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:01:19,218 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:01:19,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:19,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:01:19,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002610528] [2021-03-26 08:01:19,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:01:19,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:01:19,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956072781] [2021-03-26 08:01:19,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:01:19,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:01:19,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:01:19,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:01:19,221 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 189 [2021-03-26 08:01:19,221 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 627 places, 868 transitions, 22211 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:19,221 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:01:19,221 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 189 [2021-03-26 08:01:19,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:01:20,321 INFO L129 PetriNetUnfolder]: 899/1877 cut-off events. [2021-03-26 08:01:20,321 INFO L130 PetriNetUnfolder]: For 176413/176417 co-relation queries the response was YES. [2021-03-26 08:01:20,354 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30980 conditions, 1877 events. 899/1877 cut-off events. For 176413/176417 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 13081 event pairs, 128 based on Foata normal form. 5/1879 useless extension candidates. Maximal degree in co-relation 30697. Up to 1682 conditions per place. [2021-03-26 08:01:20,363 INFO L132 encePairwiseOnDemand]: 173/189 looper letters, 814 selfloop transitions, 46 changer transitions 2/870 dead transitions. [2021-03-26 08:01:20,363 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 640 places, 870 transitions, 23945 flow [2021-03-26 08:01:20,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 08:01:20,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 08:01:20,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 431 transitions. [2021-03-26 08:01:20,365 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16288737717309146 [2021-03-26 08:01:20,365 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 431 transitions. [2021-03-26 08:01:20,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 431 transitions. [2021-03-26 08:01:20,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:01:20,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 431 transitions. [2021-03-26 08:01:20,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 30.785714285714285) internal successors, (431), 14 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:20,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 189.0) internal successors, (2835), 15 states have internal predecessors, (2835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:20,366 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 189.0) internal successors, (2835), 15 states have internal predecessors, (2835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:20,366 INFO L185 Difference]: Start difference. First operand has 627 places, 868 transitions, 22211 flow. Second operand 14 states and 431 transitions. [2021-03-26 08:01:20,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 640 places, 870 transitions, 23945 flow [2021-03-26 08:01:21,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 628 places, 870 transitions, 23770 flow, removed 6 selfloop flow, removed 12 redundant places. [2021-03-26 08:01:21,399 INFO L241 Difference]: Finished difference. Result has 629 places, 866 transitions, 22114 flow [2021-03-26 08:01:21,399 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=22038, PETRI_DIFFERENCE_MINUEND_PLACES=615, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=868, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=822, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=22114, PETRI_PLACES=629, PETRI_TRANSITIONS=866} [2021-03-26 08:01:21,400 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 590 predicate places. [2021-03-26 08:01:21,400 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:01:21,400 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 629 places, 866 transitions, 22114 flow [2021-03-26 08:01:21,400 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 629 places, 866 transitions, 22114 flow [2021-03-26 08:01:21,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 628 places, 866 transitions, 22114 flow [2021-03-26 08:01:21,844 INFO L129 PetriNetUnfolder]: 714/1625 cut-off events. [2021-03-26 08:01:21,845 INFO L130 PetriNetUnfolder]: For 142301/142577 co-relation queries the response was YES. [2021-03-26 08:01:21,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25506 conditions, 1625 events. 714/1625 cut-off events. For 142301/142577 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 12070 event pairs, 24 based on Foata normal form. 19/1630 useless extension candidates. Maximal degree in co-relation 25237. Up to 496 conditions per place. [2021-03-26 08:01:21,885 INFO L142 LiptonReduction]: Number of co-enabled transitions 688 [2021-03-26 08:01:21,956 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:01:21,957 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:01:21,957 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 557 [2021-03-26 08:01:21,957 INFO L480 AbstractCegarLoop]: Abstraction has has 628 places, 866 transitions, 22114 flow [2021-03-26 08:01:21,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:21,957 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:01:21,957 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:01:21,957 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable295 [2021-03-26 08:01:21,957 INFO L428 AbstractCegarLoop]: === Iteration 297 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:01:21,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:01:21,957 INFO L82 PathProgramCache]: Analyzing trace with hash 344274252, now seen corresponding path program 16 times [2021-03-26 08:01:21,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:01:21,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894165883] [2021-03-26 08:01:21,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:01:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:01:21,963 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:01:21,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:01:21,967 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:01:21,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:21,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:21,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:21,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:21,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:21,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:21,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:21,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:21,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:22,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:22,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:22,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:22,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:01:22,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:22,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:01:22,043 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:01:22,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:22,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:01:22,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894165883] [2021-03-26 08:01:22,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:01:22,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:01:22,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201525525] [2021-03-26 08:01:22,045 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:01:22,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:01:22,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:01:22,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:01:22,046 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 189 [2021-03-26 08:01:22,046 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 628 places, 866 transitions, 22114 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:22,046 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:01:22,046 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 189 [2021-03-26 08:01:22,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:01:23,096 INFO L129 PetriNetUnfolder]: 898/1877 cut-off events. [2021-03-26 08:01:23,096 INFO L130 PetriNetUnfolder]: For 175716/175739 co-relation queries the response was YES. [2021-03-26 08:01:23,125 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30888 conditions, 1877 events. 898/1877 cut-off events. For 175716/175739 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 13155 event pairs, 119 based on Foata normal form. 12/1886 useless extension candidates. Maximal degree in co-relation 30608. Up to 1678 conditions per place. [2021-03-26 08:01:23,134 INFO L132 encePairwiseOnDemand]: 173/189 looper letters, 814 selfloop transitions, 44 changer transitions 3/869 dead transitions. [2021-03-26 08:01:23,134 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 641 places, 869 transitions, 23852 flow [2021-03-26 08:01:23,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 08:01:23,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 08:01:23,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 432 transitions. [2021-03-26 08:01:23,136 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16326530612244897 [2021-03-26 08:01:23,136 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 432 transitions. [2021-03-26 08:01:23,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 432 transitions. [2021-03-26 08:01:23,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:01:23,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 432 transitions. [2021-03-26 08:01:23,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 30.857142857142858) internal successors, (432), 14 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:23,137 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 189.0) internal successors, (2835), 15 states have internal predecessors, (2835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:23,137 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 189.0) internal successors, (2835), 15 states have internal predecessors, (2835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:23,137 INFO L185 Difference]: Start difference. First operand has 628 places, 866 transitions, 22114 flow. Second operand 14 states and 432 transitions. [2021-03-26 08:01:23,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 641 places, 869 transitions, 23852 flow [2021-03-26 08:01:24,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 627 places, 869 transitions, 23716 flow, removed 9 selfloop flow, removed 14 redundant places. [2021-03-26 08:01:24,249 INFO L241 Difference]: Finished difference. Result has 628 places, 863 transitions, 22040 flow [2021-03-26 08:01:24,249 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=21982, PETRI_DIFFERENCE_MINUEND_PLACES=614, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=866, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=822, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=22040, PETRI_PLACES=628, PETRI_TRANSITIONS=863} [2021-03-26 08:01:24,249 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 589 predicate places. [2021-03-26 08:01:24,249 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:01:24,249 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 628 places, 863 transitions, 22040 flow [2021-03-26 08:01:24,250 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 628 places, 863 transitions, 22040 flow [2021-03-26 08:01:24,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 623 places, 863 transitions, 22040 flow [2021-03-26 08:01:24,600 INFO L129 PetriNetUnfolder]: 716/1623 cut-off events. [2021-03-26 08:01:24,600 INFO L130 PetriNetUnfolder]: For 142558/142799 co-relation queries the response was YES. [2021-03-26 08:01:24,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25564 conditions, 1623 events. 716/1623 cut-off events. For 142558/142799 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 12023 event pairs, 28 based on Foata normal form. 18/1625 useless extension candidates. Maximal degree in co-relation 25296. Up to 501 conditions per place. [2021-03-26 08:01:24,647 INFO L142 LiptonReduction]: Number of co-enabled transitions 688 [2021-03-26 08:01:24,728 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:01:24,728 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:01:24,728 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 479 [2021-03-26 08:01:24,728 INFO L480 AbstractCegarLoop]: Abstraction has has 623 places, 863 transitions, 22040 flow [2021-03-26 08:01:24,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:24,728 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:01:24,728 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:01:24,728 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable296 [2021-03-26 08:01:24,728 INFO L428 AbstractCegarLoop]: === Iteration 298 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:01:24,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:01:24,729 INFO L82 PathProgramCache]: Analyzing trace with hash -465244660, now seen corresponding path program 17 times [2021-03-26 08:01:24,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:01:24,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031612809] [2021-03-26 08:01:24,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:01:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:01:24,734 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:01:24,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:01:24,739 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:01:24,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:24,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:24,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:24,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:24,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:24,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:24,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:24,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:24,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:24,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:24,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:24,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:24,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:24,805 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 08:01:24,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:24,809 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:01:24,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:24,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:01:24,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031612809] [2021-03-26 08:01:24,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:01:24,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 08:01:24,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733209379] [2021-03-26 08:01:24,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 08:01:24,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:01:24,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 08:01:24,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 08:01:24,812 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 189 [2021-03-26 08:01:24,812 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 623 places, 863 transitions, 22040 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:24,812 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:01:24,812 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 189 [2021-03-26 08:01:24,812 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:01:25,852 INFO L129 PetriNetUnfolder]: 898/1869 cut-off events. [2021-03-26 08:01:25,853 INFO L130 PetriNetUnfolder]: For 175201/175224 co-relation queries the response was YES. [2021-03-26 08:01:25,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30837 conditions, 1869 events. 898/1869 cut-off events. For 175201/175224 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 13045 event pairs, 119 based on Foata normal form. 12/1878 useless extension candidates. Maximal degree in co-relation 30562. Up to 1681 conditions per place. [2021-03-26 08:01:25,988 INFO L132 encePairwiseOnDemand]: 173/189 looper letters, 813 selfloop transitions, 41 changer transitions 2/864 dead transitions. [2021-03-26 08:01:25,988 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 632 places, 864 transitions, 23756 flow [2021-03-26 08:01:25,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 08:01:25,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 08:01:25,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 322 transitions. [2021-03-26 08:01:25,989 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17037037037037037 [2021-03-26 08:01:25,989 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 322 transitions. [2021-03-26 08:01:25,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 322 transitions. [2021-03-26 08:01:25,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:01:25,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 322 transitions. [2021-03-26 08:01:25,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 32.2) internal successors, (322), 10 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:25,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 189.0) internal successors, (2079), 11 states have internal predecessors, (2079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:25,991 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 189.0) internal successors, (2079), 11 states have internal predecessors, (2079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:25,991 INFO L185 Difference]: Start difference. First operand has 623 places, 863 transitions, 22040 flow. Second operand 10 states and 322 transitions. [2021-03-26 08:01:25,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 632 places, 864 transitions, 23756 flow [2021-03-26 08:01:26,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 619 places, 864 transitions, 23644 flow, removed 2 selfloop flow, removed 13 redundant places. [2021-03-26 08:01:26,988 INFO L241 Difference]: Finished difference. Result has 620 places, 861 transitions, 22013 flow [2021-03-26 08:01:26,988 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=21928, PETRI_DIFFERENCE_MINUEND_PLACES=610, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=863, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=822, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=22013, PETRI_PLACES=620, PETRI_TRANSITIONS=861} [2021-03-26 08:01:26,988 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 581 predicate places. [2021-03-26 08:01:26,988 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:01:26,988 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 620 places, 861 transitions, 22013 flow [2021-03-26 08:01:26,988 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 620 places, 861 transitions, 22013 flow [2021-03-26 08:01:26,995 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 618 places, 861 transitions, 22013 flow [2021-03-26 08:01:27,364 INFO L129 PetriNetUnfolder]: 714/1615 cut-off events. [2021-03-26 08:01:27,364 INFO L130 PetriNetUnfolder]: For 138424/138634 co-relation queries the response was YES. [2021-03-26 08:01:27,397 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25385 conditions, 1615 events. 714/1615 cut-off events. For 138424/138634 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 11952 event pairs, 24 based on Foata normal form. 18/1621 useless extension candidates. Maximal degree in co-relation 25116. Up to 496 conditions per place. [2021-03-26 08:01:27,421 INFO L142 LiptonReduction]: Number of co-enabled transitions 684 [2021-03-26 08:01:27,504 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:01:27,504 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:01:27,504 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 516 [2021-03-26 08:01:27,504 INFO L480 AbstractCegarLoop]: Abstraction has has 618 places, 861 transitions, 22013 flow [2021-03-26 08:01:27,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:27,504 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:01:27,504 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:01:27,504 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable297 [2021-03-26 08:01:27,504 INFO L428 AbstractCegarLoop]: === Iteration 299 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:01:27,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:01:27,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1099427222, now seen corresponding path program 3 times [2021-03-26 08:01:27,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:01:27,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869143561] [2021-03-26 08:01:27,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:01:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:01:27,510 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:01:27,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:01:27,515 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:01:27,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:27,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:27,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:27,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:27,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:27,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:27,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:27,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:27,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:27,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:27,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:27,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:27,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:27,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:27,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:01:27,604 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:01:27,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:27,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:01:27,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869143561] [2021-03-26 08:01:27,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:01:27,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:01:27,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627690809] [2021-03-26 08:01:27,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:01:27,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:01:27,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:01:27,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:01:27,608 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 189 [2021-03-26 08:01:27,608 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 618 places, 861 transitions, 22013 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:27,608 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:01:27,608 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 189 [2021-03-26 08:01:27,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:01:28,744 INFO L129 PetriNetUnfolder]: 897/1868 cut-off events. [2021-03-26 08:01:28,745 INFO L130 PetriNetUnfolder]: For 172932/172955 co-relation queries the response was YES. [2021-03-26 08:01:28,776 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30787 conditions, 1868 events. 897/1868 cut-off events. For 172932/172955 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 13065 event pairs, 85 based on Foata normal form. 12/1877 useless extension candidates. Maximal degree in co-relation 30512. Up to 1603 conditions per place. [2021-03-26 08:01:28,785 INFO L132 encePairwiseOnDemand]: 168/189 looper letters, 716 selfloop transitions, 136 changer transitions 6/866 dead transitions. [2021-03-26 08:01:28,785 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 631 places, 866 transitions, 23810 flow [2021-03-26 08:01:28,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 08:01:28,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 08:01:28,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 444 transitions. [2021-03-26 08:01:28,787 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16780045351473924 [2021-03-26 08:01:28,787 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 444 transitions. [2021-03-26 08:01:28,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 444 transitions. [2021-03-26 08:01:28,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:01:28,787 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 444 transitions. [2021-03-26 08:01:28,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.714285714285715) internal successors, (444), 14 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:28,789 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 189.0) internal successors, (2835), 15 states have internal predecessors, (2835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:28,789 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 189.0) internal successors, (2835), 15 states have internal predecessors, (2835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:28,789 INFO L185 Difference]: Start difference. First operand has 618 places, 861 transitions, 22013 flow. Second operand 14 states and 444 transitions. [2021-03-26 08:01:28,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 631 places, 866 transitions, 23810 flow [2021-03-26 08:01:29,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 621 places, 866 transitions, 23703 flow, removed 2 selfloop flow, removed 10 redundant places. [2021-03-26 08:01:29,872 INFO L241 Difference]: Finished difference. Result has 622 places, 856 transitions, 22078 flow [2021-03-26 08:01:29,872 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=21906, PETRI_DIFFERENCE_MINUEND_PLACES=608, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=861, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=725, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=22078, PETRI_PLACES=622, PETRI_TRANSITIONS=856} [2021-03-26 08:01:29,872 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 583 predicate places. [2021-03-26 08:01:29,872 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:01:29,872 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 622 places, 856 transitions, 22078 flow [2021-03-26 08:01:29,872 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 622 places, 856 transitions, 22078 flow [2021-03-26 08:01:29,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 618 places, 856 transitions, 22078 flow [2021-03-26 08:01:30,209 INFO L129 PetriNetUnfolder]: 714/1609 cut-off events. [2021-03-26 08:01:30,210 INFO L130 PetriNetUnfolder]: For 140115/140373 co-relation queries the response was YES. [2021-03-26 08:01:30,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25436 conditions, 1609 events. 714/1609 cut-off events. For 140115/140373 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 11887 event pairs, 28 based on Foata normal form. 18/1614 useless extension candidates. Maximal degree in co-relation 25173. Up to 495 conditions per place. [2021-03-26 08:01:30,254 INFO L142 LiptonReduction]: Number of co-enabled transitions 684 [2021-03-26 08:01:30,330 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:01:30,330 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:01:30,330 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 458 [2021-03-26 08:01:30,330 INFO L480 AbstractCegarLoop]: Abstraction has has 618 places, 856 transitions, 22078 flow [2021-03-26 08:01:30,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:30,330 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:01:30,330 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:01:30,330 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable298 [2021-03-26 08:01:30,330 INFO L428 AbstractCegarLoop]: === Iteration 300 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:01:30,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:01:30,331 INFO L82 PathProgramCache]: Analyzing trace with hash 234081508, now seen corresponding path program 18 times [2021-03-26 08:01:30,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:01:30,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536184927] [2021-03-26 08:01:30,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:01:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:01:30,336 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:01:30,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:01:30,341 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:01:30,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:30,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:30,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:30,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:30,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:30,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:30,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:30,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:30,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:30,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:30,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:30,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:30,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:01:30,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:30,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:01:30,417 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:01:30,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:30,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:01:30,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536184927] [2021-03-26 08:01:30,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:01:30,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:01:30,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537557315] [2021-03-26 08:01:30,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:01:30,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:01:30,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:01:30,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:01:30,421 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 189 [2021-03-26 08:01:30,421 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 618 places, 856 transitions, 22078 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:30,421 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:01:30,421 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 189 [2021-03-26 08:01:30,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:01:31,424 INFO L129 PetriNetUnfolder]: 897/1851 cut-off events. [2021-03-26 08:01:31,424 INFO L130 PetriNetUnfolder]: For 172046/172050 co-relation queries the response was YES. [2021-03-26 08:01:31,455 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30783 conditions, 1851 events. 897/1851 cut-off events. For 172046/172050 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 12748 event pairs, 146 based on Foata normal form. 5/1853 useless extension candidates. Maximal degree in co-relation 30514. Up to 1671 conditions per place. [2021-03-26 08:01:31,464 INFO L132 encePairwiseOnDemand]: 173/189 looper letters, 807 selfloop transitions, 38 changer transitions 4/857 dead transitions. [2021-03-26 08:01:31,465 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 630 places, 857 transitions, 23780 flow [2021-03-26 08:01:31,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 08:01:31,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 08:01:31,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 399 transitions. [2021-03-26 08:01:31,466 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1623931623931624 [2021-03-26 08:01:31,466 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 399 transitions. [2021-03-26 08:01:31,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 399 transitions. [2021-03-26 08:01:31,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:01:31,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 399 transitions. [2021-03-26 08:01:31,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 30.692307692307693) internal successors, (399), 13 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:31,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 189.0) internal successors, (2646), 14 states have internal predecessors, (2646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:31,467 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 189.0) internal successors, (2646), 14 states have internal predecessors, (2646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:31,467 INFO L185 Difference]: Start difference. First operand has 618 places, 856 transitions, 22078 flow. Second operand 13 states and 399 transitions. [2021-03-26 08:01:31,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 630 places, 857 transitions, 23780 flow [2021-03-26 08:01:32,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 614 places, 857 transitions, 23418 flow, removed 7 selfloop flow, removed 16 redundant places. [2021-03-26 08:01:32,422 INFO L241 Difference]: Finished difference. Result has 615 places, 852 transitions, 21757 flow [2021-03-26 08:01:32,422 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=21716, PETRI_DIFFERENCE_MINUEND_PLACES=602, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=856, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=818, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=21757, PETRI_PLACES=615, PETRI_TRANSITIONS=852} [2021-03-26 08:01:32,422 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 576 predicate places. [2021-03-26 08:01:32,422 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:01:32,422 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 615 places, 852 transitions, 21757 flow [2021-03-26 08:01:32,423 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 615 places, 852 transitions, 21757 flow [2021-03-26 08:01:32,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 607 places, 852 transitions, 21757 flow [2021-03-26 08:01:32,767 INFO L129 PetriNetUnfolder]: 716/1605 cut-off events. [2021-03-26 08:01:32,767 INFO L130 PetriNetUnfolder]: For 135912/136187 co-relation queries the response was YES. [2021-03-26 08:01:32,793 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25074 conditions, 1605 events. 716/1605 cut-off events. For 135912/136187 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 11791 event pairs, 32 based on Foata normal form. 38/1628 useless extension candidates. Maximal degree in co-relation 24818. Up to 491 conditions per place. [2021-03-26 08:01:32,815 INFO L142 LiptonReduction]: Number of co-enabled transitions 680 [2021-03-26 08:01:32,897 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:01:32,897 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:01:32,897 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 475 [2021-03-26 08:01:32,897 INFO L480 AbstractCegarLoop]: Abstraction has has 607 places, 852 transitions, 21757 flow [2021-03-26 08:01:32,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:32,897 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:01:32,897 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:01:32,897 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable299 [2021-03-26 08:01:32,897 INFO L428 AbstractCegarLoop]: === Iteration 301 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:01:32,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:01:32,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1325308482, now seen corresponding path program 19 times [2021-03-26 08:01:32,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:01:32,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914664005] [2021-03-26 08:01:32,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:01:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:01:32,903 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:01:32,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:01:32,907 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:01:32,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:32,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:32,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:32,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:32,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:32,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:32,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:32,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:32,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:32,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:32,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:32,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:32,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:32,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:32,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:01:32,984 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:01:32,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:32,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:01:32,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914664005] [2021-03-26 08:01:32,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:01:32,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:01:32,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938206933] [2021-03-26 08:01:32,987 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:01:32,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:01:32,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:01:32,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:01:32,987 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 189 [2021-03-26 08:01:32,988 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 607 places, 852 transitions, 21757 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:32,988 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:01:32,988 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 189 [2021-03-26 08:01:32,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:01:34,000 INFO L129 PetriNetUnfolder]: 897/1842 cut-off events. [2021-03-26 08:01:34,000 INFO L130 PetriNetUnfolder]: For 165259/165282 co-relation queries the response was YES. [2021-03-26 08:01:34,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30307 conditions, 1842 events. 897/1842 cut-off events. For 165259/165282 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 12740 event pairs, 139 based on Foata normal form. 12/1851 useless extension candidates. Maximal degree in co-relation 30046. Up to 1669 conditions per place. [2021-03-26 08:01:34,037 INFO L132 encePairwiseOnDemand]: 173/189 looper letters, 806 selfloop transitions, 32 changer transitions 7/853 dead transitions. [2021-03-26 08:01:34,037 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 617 places, 853 transitions, 23451 flow [2021-03-26 08:01:34,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 08:01:34,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 08:01:34,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 343 transitions. [2021-03-26 08:01:34,038 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16498316498316498 [2021-03-26 08:01:34,038 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 343 transitions. [2021-03-26 08:01:34,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 343 transitions. [2021-03-26 08:01:34,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:01:34,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 343 transitions. [2021-03-26 08:01:34,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 31.181818181818183) internal successors, (343), 11 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:34,039 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 189.0) internal successors, (2268), 12 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:34,039 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 189.0) internal successors, (2268), 12 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:34,039 INFO L185 Difference]: Start difference. First operand has 607 places, 852 transitions, 21757 flow. Second operand 11 states and 343 transitions. [2021-03-26 08:01:34,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 617 places, 853 transitions, 23451 flow [2021-03-26 08:01:35,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 604 places, 853 transitions, 23275 flow, removed 7 selfloop flow, removed 13 redundant places. [2021-03-26 08:01:35,066 INFO L241 Difference]: Finished difference. Result has 605 places, 845 transitions, 21559 flow [2021-03-26 08:01:35,066 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=21581, PETRI_DIFFERENCE_MINUEND_PLACES=594, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=852, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=820, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=21559, PETRI_PLACES=605, PETRI_TRANSITIONS=845} [2021-03-26 08:01:35,066 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 566 predicate places. [2021-03-26 08:01:35,066 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:01:35,066 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 605 places, 845 transitions, 21559 flow [2021-03-26 08:01:35,066 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 605 places, 845 transitions, 21559 flow [2021-03-26 08:01:35,073 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 593 places, 845 transitions, 21559 flow [2021-03-26 08:01:35,448 INFO L129 PetriNetUnfolder]: 717/1590 cut-off events. [2021-03-26 08:01:35,448 INFO L130 PetriNetUnfolder]: For 128171/128373 co-relation queries the response was YES. [2021-03-26 08:01:35,476 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24700 conditions, 1590 events. 717/1590 cut-off events. For 128171/128373 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 11581 event pairs, 36 based on Foata normal form. 28/1604 useless extension candidates. Maximal degree in co-relation 24463. Up to 492 conditions per place. [2021-03-26 08:01:35,496 INFO L142 LiptonReduction]: Number of co-enabled transitions 674 [2021-03-26 08:01:35,686 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:01:35,686 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 08:01:35,686 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 620 [2021-03-26 08:01:35,686 INFO L480 AbstractCegarLoop]: Abstraction has has 592 places, 844 transitions, 21547 flow [2021-03-26 08:01:35,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:35,686 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:01:35,687 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:01:35,687 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable300 [2021-03-26 08:01:35,687 INFO L428 AbstractCegarLoop]: === Iteration 302 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:01:35,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:01:35,687 INFO L82 PathProgramCache]: Analyzing trace with hash -688965232, now seen corresponding path program 41 times [2021-03-26 08:01:35,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:01:35,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942557502] [2021-03-26 08:01:35,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:01:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:01:35,693 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:01:35,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:01:35,698 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:01:35,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:35,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:35,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:01:35,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:35,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:01:35,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:35,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:01:35,738 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 08:01:35,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:01:35,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:35,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:35,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:35,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:35,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:35,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:35,806 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 08:01:35,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:35,822 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:01:35,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:35,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:01:35,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942557502] [2021-03-26 08:01:35,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:01:35,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:01:35,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531915282] [2021-03-26 08:01:35,825 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:01:35,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:01:35,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:01:35,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:01:35,826 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 190 [2021-03-26 08:01:35,826 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 592 places, 844 transitions, 21547 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:35,826 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:01:35,826 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 190 [2021-03-26 08:01:35,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:01:37,286 INFO L129 PetriNetUnfolder]: 899/1843 cut-off events. [2021-03-26 08:01:37,286 INFO L130 PetriNetUnfolder]: For 158827/158850 co-relation queries the response was YES. [2021-03-26 08:01:37,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30049 conditions, 1843 events. 899/1843 cut-off events. For 158827/158850 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 12716 event pairs, 119 based on Foata normal form. 15/1856 useless extension candidates. Maximal degree in co-relation 29810. Up to 1503 conditions per place. [2021-03-26 08:01:37,326 INFO L132 encePairwiseOnDemand]: 166/190 looper letters, 677 selfloop transitions, 190 changer transitions 2/877 dead transitions. [2021-03-26 08:01:37,326 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 611 places, 877 transitions, 24361 flow [2021-03-26 08:01:37,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 08:01:37,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 08:01:37,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 646 transitions. [2021-03-26 08:01:37,328 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17 [2021-03-26 08:01:37,328 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 646 transitions. [2021-03-26 08:01:37,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 646 transitions. [2021-03-26 08:01:37,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:01:37,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 646 transitions. [2021-03-26 08:01:37,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 32.3) internal successors, (646), 20 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:37,329 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 190.0) internal successors, (3990), 21 states have internal predecessors, (3990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:37,330 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 190.0) internal successors, (3990), 21 states have internal predecessors, (3990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:37,330 INFO L185 Difference]: Start difference. First operand has 592 places, 844 transitions, 21547 flow. Second operand 20 states and 646 transitions. [2021-03-26 08:01:37,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 611 places, 877 transitions, 24361 flow [2021-03-26 08:01:38,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 597 places, 877 transitions, 24155 flow, removed 16 selfloop flow, removed 14 redundant places. [2021-03-26 08:01:38,287 INFO L241 Difference]: Finished difference. Result has 601 places, 854 transitions, 22190 flow [2021-03-26 08:01:38,287 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=21351, PETRI_DIFFERENCE_MINUEND_PLACES=578, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=844, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=181, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=655, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=22190, PETRI_PLACES=601, PETRI_TRANSITIONS=854} [2021-03-26 08:01:38,287 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 562 predicate places. [2021-03-26 08:01:38,287 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:01:38,287 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 601 places, 854 transitions, 22190 flow [2021-03-26 08:01:38,287 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 601 places, 854 transitions, 22190 flow [2021-03-26 08:01:38,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 600 places, 854 transitions, 22190 flow [2021-03-26 08:01:38,626 INFO L129 PetriNetUnfolder]: 723/1602 cut-off events. [2021-03-26 08:01:38,626 INFO L130 PetriNetUnfolder]: For 130734/130931 co-relation queries the response was YES. [2021-03-26 08:01:38,651 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25294 conditions, 1602 events. 723/1602 cut-off events. For 130734/130931 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 11705 event pairs, 40 based on Foata normal form. 22/1608 useless extension candidates. Maximal degree in co-relation 25015. Up to 504 conditions per place. [2021-03-26 08:01:38,671 INFO L142 LiptonReduction]: Number of co-enabled transitions 674 [2021-03-26 08:01:38,932 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 08:01:38,932 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:01:38,932 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 645 [2021-03-26 08:01:38,933 INFO L480 AbstractCegarLoop]: Abstraction has has 600 places, 854 transitions, 22204 flow [2021-03-26 08:01:38,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:38,933 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:01:38,933 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:01:38,933 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable301 [2021-03-26 08:01:38,933 INFO L428 AbstractCegarLoop]: === Iteration 303 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:01:38,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:01:38,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1751324154, now seen corresponding path program 1 times [2021-03-26 08:01:38,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:01:38,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228591307] [2021-03-26 08:01:38,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:01:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:01:38,941 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:01:38,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:01:38,945 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:01:38,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:38,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:38,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:38,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:38,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:38,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:38,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:38,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:38,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:38,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:38,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:39,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:39,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:39,024 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 08:01:39,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:39,028 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:01:39,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:39,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:01:39,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228591307] [2021-03-26 08:01:39,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:01:39,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:01:39,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641402933] [2021-03-26 08:01:39,030 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:01:39,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:01:39,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:01:39,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:01:39,031 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 193 [2021-03-26 08:01:39,031 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 600 places, 854 transitions, 22204 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:39,031 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:01:39,031 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 193 [2021-03-26 08:01:39,031 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:01:40,318 INFO L129 PetriNetUnfolder]: 898/1843 cut-off events. [2021-03-26 08:01:40,318 INFO L130 PetriNetUnfolder]: For 160256/160279 co-relation queries the response was YES. [2021-03-26 08:01:40,345 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30250 conditions, 1843 events. 898/1843 cut-off events. For 160256/160279 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 12763 event pairs, 121 based on Foata normal form. 12/1852 useless extension candidates. Maximal degree in co-relation 29969. Up to 1559 conditions per place. [2021-03-26 08:01:40,354 INFO L132 encePairwiseOnDemand]: 168/193 looper letters, 680 selfloop transitions, 182 changer transitions 2/872 dead transitions. [2021-03-26 08:01:40,354 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 614 places, 872 transitions, 24707 flow [2021-03-26 08:01:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 08:01:40,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 08:01:40,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 495 transitions. [2021-03-26 08:01:40,356 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17098445595854922 [2021-03-26 08:01:40,356 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 495 transitions. [2021-03-26 08:01:40,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 495 transitions. [2021-03-26 08:01:40,356 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:01:40,356 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 495 transitions. [2021-03-26 08:01:40,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.0) internal successors, (495), 15 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:40,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 193.0) internal successors, (3088), 16 states have internal predecessors, (3088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:40,358 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 193.0) internal successors, (3088), 16 states have internal predecessors, (3088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:40,358 INFO L185 Difference]: Start difference. First operand has 600 places, 854 transitions, 22204 flow. Second operand 15 states and 495 transitions. [2021-03-26 08:01:40,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 614 places, 872 transitions, 24707 flow [2021-03-26 08:01:41,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 608 places, 872 transitions, 24248 flow, removed 156 selfloop flow, removed 6 redundant places. [2021-03-26 08:01:41,291 INFO L241 Difference]: Finished difference. Result has 612 places, 860 transitions, 22353 flow [2021-03-26 08:01:41,291 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=21745, PETRI_DIFFERENCE_MINUEND_PLACES=594, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=854, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=176, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=676, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=22353, PETRI_PLACES=612, PETRI_TRANSITIONS=860} [2021-03-26 08:01:41,291 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 573 predicate places. [2021-03-26 08:01:41,291 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:01:41,291 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 612 places, 860 transitions, 22353 flow [2021-03-26 08:01:41,291 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 612 places, 860 transitions, 22353 flow [2021-03-26 08:01:41,299 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 611 places, 860 transitions, 22353 flow [2021-03-26 08:01:41,628 INFO L129 PetriNetUnfolder]: 714/1583 cut-off events. [2021-03-26 08:01:41,628 INFO L130 PetriNetUnfolder]: For 135765/135969 co-relation queries the response was YES. [2021-03-26 08:01:41,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25187 conditions, 1583 events. 714/1583 cut-off events. For 135765/135969 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 11609 event pairs, 27 based on Foata normal form. 26/1600 useless extension candidates. Maximal degree in co-relation 24903. Up to 494 conditions per place. [2021-03-26 08:01:41,671 INFO L142 LiptonReduction]: Number of co-enabled transitions 672 [2021-03-26 08:01:41,884 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 08:01:41,884 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 08:01:41,884 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 593 [2021-03-26 08:01:41,884 INFO L480 AbstractCegarLoop]: Abstraction has has 611 places, 860 transitions, 22359 flow [2021-03-26 08:01:41,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:41,884 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:01:41,884 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:01:41,884 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable302 [2021-03-26 08:01:41,884 INFO L428 AbstractCegarLoop]: === Iteration 304 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:01:41,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:01:41,885 INFO L82 PathProgramCache]: Analyzing trace with hash -2024552955, now seen corresponding path program 1 times [2021-03-26 08:01:41,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:01:41,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472997829] [2021-03-26 08:01:41,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:01:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:01:41,890 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:01:41,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:01:41,895 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:01:41,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:41,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:41,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:01:41,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:41,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:01:41,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:41,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:01:41,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:41,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:01:41,950 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:01:41,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:01:41,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:41,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:41,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:41,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:01:42,008 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:01:42,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:42,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:01:42,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472997829] [2021-03-26 08:01:42,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:01:42,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:01:42,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91619565] [2021-03-26 08:01:42,011 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:01:42,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:01:42,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:01:42,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:01:42,011 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 194 [2021-03-26 08:01:42,011 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 611 places, 860 transitions, 22359 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:42,012 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:01:42,012 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 194 [2021-03-26 08:01:42,012 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:01:43,229 INFO L129 PetriNetUnfolder]: 899/1845 cut-off events. [2021-03-26 08:01:43,229 INFO L130 PetriNetUnfolder]: For 165584/165607 co-relation queries the response was YES. [2021-03-26 08:01:43,256 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30534 conditions, 1845 events. 899/1845 cut-off events. For 165584/165607 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 12781 event pairs, 125 based on Foata normal form. 12/1854 useless extension candidates. Maximal degree in co-relation 30251. Up to 1589 conditions per place. [2021-03-26 08:01:43,265 INFO L132 encePairwiseOnDemand]: 168/194 looper letters, 699 selfloop transitions, 162 changer transitions 3/872 dead transitions. [2021-03-26 08:01:43,265 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 625 places, 872 transitions, 24446 flow [2021-03-26 08:01:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 08:01:43,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 08:01:43,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 479 transitions. [2021-03-26 08:01:43,267 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16460481099656357 [2021-03-26 08:01:43,267 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 479 transitions. [2021-03-26 08:01:43,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 479 transitions. [2021-03-26 08:01:43,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:01:43,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 479 transitions. [2021-03-26 08:01:43,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.933333333333334) internal successors, (479), 15 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:43,268 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 194.0) internal successors, (3104), 16 states have internal predecessors, (3104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:43,269 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 194.0) internal successors, (3104), 16 states have internal predecessors, (3104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:43,269 INFO L185 Difference]: Start difference. First operand has 611 places, 860 transitions, 22359 flow. Second operand 15 states and 479 transitions. [2021-03-26 08:01:43,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 625 places, 872 transitions, 24446 flow [2021-03-26 08:01:44,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 620 places, 872 transitions, 24024 flow, removed 42 selfloop flow, removed 5 redundant places. [2021-03-26 08:01:44,229 INFO L241 Difference]: Finished difference. Result has 625 places, 864 transitions, 22441 flow [2021-03-26 08:01:44,229 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=21937, PETRI_DIFFERENCE_MINUEND_PLACES=606, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=860, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=698, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=22441, PETRI_PLACES=625, PETRI_TRANSITIONS=864} [2021-03-26 08:01:44,230 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 586 predicate places. [2021-03-26 08:01:44,230 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:01:44,230 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 625 places, 864 transitions, 22441 flow [2021-03-26 08:01:44,230 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 625 places, 864 transitions, 22441 flow [2021-03-26 08:01:44,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 623 places, 864 transitions, 22441 flow [2021-03-26 08:01:44,602 INFO L129 PetriNetUnfolder]: 717/1597 cut-off events. [2021-03-26 08:01:44,602 INFO L130 PetriNetUnfolder]: For 137992/138153 co-relation queries the response was YES. [2021-03-26 08:01:44,626 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25396 conditions, 1597 events. 717/1597 cut-off events. For 137992/138153 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 11686 event pairs, 25 based on Foata normal form. 24/1612 useless extension candidates. Maximal degree in co-relation 25143. Up to 490 conditions per place. [2021-03-26 08:01:44,650 INFO L142 LiptonReduction]: Number of co-enabled transitions 672 [2021-03-26 08:01:44,725 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:01:44,725 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:01:44,725 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 495 [2021-03-26 08:01:44,725 INFO L480 AbstractCegarLoop]: Abstraction has has 623 places, 864 transitions, 22441 flow [2021-03-26 08:01:44,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:44,725 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:01:44,726 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:01:44,726 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable303 [2021-03-26 08:01:44,726 INFO L428 AbstractCegarLoop]: === Iteration 305 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:01:44,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:01:44,726 INFO L82 PathProgramCache]: Analyzing trace with hash 19141643, now seen corresponding path program 1 times [2021-03-26 08:01:44,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:01:44,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375419561] [2021-03-26 08:01:44,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:01:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:01:44,732 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:01:44,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:01:44,737 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:01:44,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:44,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:44,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:01:44,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:44,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:01:44,766 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 08:01:44,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:01:44,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:44,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:01:44,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:44,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:44,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:44,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:44,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:44,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:01:44,837 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:01:44,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:44,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:01:44,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375419561] [2021-03-26 08:01:44,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:01:44,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:01:44,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524979384] [2021-03-26 08:01:44,839 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:01:44,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:01:44,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:01:44,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:01:44,840 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 194 [2021-03-26 08:01:44,840 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 623 places, 864 transitions, 22441 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:44,840 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:01:44,840 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 194 [2021-03-26 08:01:44,840 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:01:46,020 INFO L129 PetriNetUnfolder]: 898/1849 cut-off events. [2021-03-26 08:01:46,020 INFO L130 PetriNetUnfolder]: For 169407/169430 co-relation queries the response was YES. [2021-03-26 08:01:46,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30690 conditions, 1849 events. 898/1849 cut-off events. For 169407/169430 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 12873 event pairs, 105 based on Foata normal form. 15/1862 useless extension candidates. Maximal degree in co-relation 30429. Up to 1594 conditions per place. [2021-03-26 08:01:46,067 INFO L132 encePairwiseOnDemand]: 170/194 looper letters, 732 selfloop transitions, 133 changer transitions 3/876 dead transitions. [2021-03-26 08:01:46,067 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 636 places, 876 transitions, 24631 flow [2021-03-26 08:01:46,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 08:01:46,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 08:01:46,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 465 transitions. [2021-03-26 08:01:46,069 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17120765832106039 [2021-03-26 08:01:46,069 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 465 transitions. [2021-03-26 08:01:46,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 465 transitions. [2021-03-26 08:01:46,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:01:46,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 465 transitions. [2021-03-26 08:01:46,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 33.214285714285715) internal successors, (465), 14 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:46,070 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 194.0) internal successors, (2910), 15 states have internal predecessors, (2910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:46,070 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 194.0) internal successors, (2910), 15 states have internal predecessors, (2910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:46,071 INFO L185 Difference]: Start difference. First operand has 623 places, 864 transitions, 22441 flow. Second operand 14 states and 465 transitions. [2021-03-26 08:01:46,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 636 places, 876 transitions, 24631 flow [2021-03-26 08:01:47,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 626 places, 876 transitions, 24350 flow, removed 34 selfloop flow, removed 10 redundant places. [2021-03-26 08:01:47,132 INFO L241 Difference]: Finished difference. Result has 630 places, 866 transitions, 22606 flow [2021-03-26 08:01:47,132 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=22162, PETRI_DIFFERENCE_MINUEND_PLACES=613, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=864, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=732, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=22606, PETRI_PLACES=630, PETRI_TRANSITIONS=866} [2021-03-26 08:01:47,133 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 591 predicate places. [2021-03-26 08:01:47,133 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:01:47,133 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 630 places, 866 transitions, 22606 flow [2021-03-26 08:01:47,133 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 630 places, 866 transitions, 22606 flow [2021-03-26 08:01:47,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 628 places, 866 transitions, 22606 flow [2021-03-26 08:01:47,608 INFO L129 PetriNetUnfolder]: 716/1596 cut-off events. [2021-03-26 08:01:47,609 INFO L130 PetriNetUnfolder]: For 141494/141718 co-relation queries the response was YES. [2021-03-26 08:01:47,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25533 conditions, 1596 events. 716/1596 cut-off events. For 141494/141718 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 11719 event pairs, 23 based on Foata normal form. 34/1621 useless extension candidates. Maximal degree in co-relation 25278. Up to 488 conditions per place. [2021-03-26 08:01:47,680 INFO L142 LiptonReduction]: Number of co-enabled transitions 676 [2021-03-26 08:01:47,799 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:01:47,799 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:01:47,800 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 667 [2021-03-26 08:01:47,800 INFO L480 AbstractCegarLoop]: Abstraction has has 628 places, 866 transitions, 22606 flow [2021-03-26 08:01:47,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:47,800 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:01:47,800 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:01:47,800 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable304 [2021-03-26 08:01:47,800 INFO L428 AbstractCegarLoop]: === Iteration 306 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:01:47,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:01:47,801 INFO L82 PathProgramCache]: Analyzing trace with hash 33490921, now seen corresponding path program 2 times [2021-03-26 08:01:47,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:01:47,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999359080] [2021-03-26 08:01:47,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:01:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:01:47,809 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:01:47,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:01:47,815 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:01:47,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:47,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:47,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:01:47,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:47,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:01:47,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:47,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:01:47,867 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:01:47,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:01:47,904 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:01:47,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:01:47,943 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 08:01:47,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:01:47,984 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-26 08:01:47,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 08:01:47,990 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:01:47,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:47,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:01:47,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999359080] [2021-03-26 08:01:47,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:01:47,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:01:47,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995300375] [2021-03-26 08:01:47,993 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:01:47,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:01:47,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:01:47,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:01:47,994 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 194 [2021-03-26 08:01:47,994 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 628 places, 866 transitions, 22606 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:47,994 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:01:47,994 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 194 [2021-03-26 08:01:47,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:01:49,591 INFO L129 PetriNetUnfolder]: 897/1844 cut-off events. [2021-03-26 08:01:49,591 INFO L130 PetriNetUnfolder]: For 172807/172837 co-relation queries the response was YES. [2021-03-26 08:01:49,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30853 conditions, 1844 events. 897/1844 cut-off events. For 172807/172837 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 12798 event pairs, 125 based on Foata normal form. 19/1860 useless extension candidates. Maximal degree in co-relation 30590. Up to 1656 conditions per place. [2021-03-26 08:01:49,629 INFO L132 encePairwiseOnDemand]: 174/194 looper letters, 793 selfloop transitions, 66 changer transitions 6/873 dead transitions. [2021-03-26 08:01:49,629 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 640 places, 873 transitions, 24466 flow [2021-03-26 08:01:49,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 08:01:49,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 08:01:49,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 415 transitions. [2021-03-26 08:01:49,631 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16455194290245836 [2021-03-26 08:01:49,631 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 415 transitions. [2021-03-26 08:01:49,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 415 transitions. [2021-03-26 08:01:49,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:01:49,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 415 transitions. [2021-03-26 08:01:49,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.923076923076923) internal successors, (415), 13 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:49,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 194.0) internal successors, (2716), 14 states have internal predecessors, (2716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:49,633 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 194.0) internal successors, (2716), 14 states have internal predecessors, (2716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:49,633 INFO L185 Difference]: Start difference. First operand has 628 places, 866 transitions, 22606 flow. Second operand 13 states and 415 transitions. [2021-03-26 08:01:49,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 640 places, 873 transitions, 24466 flow [2021-03-26 08:01:50,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 630 places, 873 transitions, 24216 flow, removed 36 selfloop flow, removed 10 redundant places. [2021-03-26 08:01:50,989 INFO L241 Difference]: Finished difference. Result has 632 places, 862 transitions, 22461 flow [2021-03-26 08:01:50,989 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=22356, PETRI_DIFFERENCE_MINUEND_PLACES=618, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=866, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=800, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=22461, PETRI_PLACES=632, PETRI_TRANSITIONS=862} [2021-03-26 08:01:50,989 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 593 predicate places. [2021-03-26 08:01:50,989 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:01:50,990 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 632 places, 862 transitions, 22461 flow [2021-03-26 08:01:50,990 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 632 places, 862 transitions, 22461 flow [2021-03-26 08:01:50,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 629 places, 862 transitions, 22461 flow [2021-03-26 08:01:51,430 INFO L129 PetriNetUnfolder]: 711/1583 cut-off events. [2021-03-26 08:01:51,430 INFO L130 PetriNetUnfolder]: For 142322/142495 co-relation queries the response was YES. [2021-03-26 08:01:51,479 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25350 conditions, 1583 events. 711/1583 cut-off events. For 142322/142495 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 11588 event pairs, 27 based on Foata normal form. 27/1601 useless extension candidates. Maximal degree in co-relation 25069. Up to 486 conditions per place. [2021-03-26 08:01:51,503 INFO L142 LiptonReduction]: Number of co-enabled transitions 674 [2021-03-26 08:01:51,585 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:01:51,585 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:01:51,585 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 596 [2021-03-26 08:01:51,585 INFO L480 AbstractCegarLoop]: Abstraction has has 629 places, 862 transitions, 22461 flow [2021-03-26 08:01:51,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:51,585 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:01:51,585 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:01:51,585 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable305 [2021-03-26 08:01:51,585 INFO L428 AbstractCegarLoop]: === Iteration 307 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:01:51,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:01:51,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1325699547, now seen corresponding path program 2 times [2021-03-26 08:01:51,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:01:51,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984246409] [2021-03-26 08:01:51,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:01:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:01:51,591 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:01:51,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:01:51,595 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:01:51,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:51,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:51,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:01:51,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:51,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:01:51,620 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 08:01:51,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:01:51,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:51,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:01:51,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:51,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:51,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:51,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:01:51,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:51,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:01:51,681 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:01:51,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:51,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:01:51,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984246409] [2021-03-26 08:01:51,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:01:51,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:01:51,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3450537] [2021-03-26 08:01:51,684 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:01:51,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:01:51,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:01:51,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:01:51,684 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 194 [2021-03-26 08:01:51,684 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 629 places, 862 transitions, 22461 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:51,684 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:01:51,684 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 194 [2021-03-26 08:01:51,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:01:53,000 INFO L129 PetriNetUnfolder]: 895/1844 cut-off events. [2021-03-26 08:01:53,000 INFO L130 PetriNetUnfolder]: For 173952/173975 co-relation queries the response was YES. [2021-03-26 08:01:53,029 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30800 conditions, 1844 events. 895/1844 cut-off events. For 173952/173975 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 12795 event pairs, 119 based on Foata normal form. 12/1853 useless extension candidates. Maximal degree in co-relation 30512. Up to 1588 conditions per place. [2021-03-26 08:01:53,038 INFO L132 encePairwiseOnDemand]: 170/194 looper letters, 726 selfloop transitions, 133 changer transitions 2/869 dead transitions. [2021-03-26 08:01:53,038 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 644 places, 869 transitions, 24421 flow [2021-03-26 08:01:53,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 08:01:53,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 08:01:53,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 520 transitions. [2021-03-26 08:01:53,039 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16752577319587628 [2021-03-26 08:01:53,040 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 520 transitions. [2021-03-26 08:01:53,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 520 transitions. [2021-03-26 08:01:53,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:01:53,040 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 520 transitions. [2021-03-26 08:01:53,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.5) internal successors, (520), 16 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:53,041 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 194.0) internal successors, (3298), 17 states have internal predecessors, (3298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:53,041 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 194.0) internal successors, (3298), 17 states have internal predecessors, (3298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:53,041 INFO L185 Difference]: Start difference. First operand has 629 places, 862 transitions, 22461 flow. Second operand 16 states and 520 transitions. [2021-03-26 08:01:53,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 644 places, 869 transitions, 24421 flow [2021-03-26 08:01:53,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 629 places, 869 transitions, 24151 flow, removed 5 selfloop flow, removed 15 redundant places. [2021-03-26 08:01:54,000 INFO L241 Difference]: Finished difference. Result has 631 places, 861 transitions, 22460 flow [2021-03-26 08:01:54,000 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=22197, PETRI_DIFFERENCE_MINUEND_PLACES=614, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=862, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=132, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=729, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=22460, PETRI_PLACES=631, PETRI_TRANSITIONS=861} [2021-03-26 08:01:54,000 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 592 predicate places. [2021-03-26 08:01:54,000 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:01:54,000 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 631 places, 861 transitions, 22460 flow [2021-03-26 08:01:54,000 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 631 places, 861 transitions, 22460 flow [2021-03-26 08:01:54,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 629 places, 861 transitions, 22460 flow [2021-03-26 08:01:54,329 INFO L129 PetriNetUnfolder]: 714/1595 cut-off events. [2021-03-26 08:01:54,329 INFO L130 PetriNetUnfolder]: For 139886/140096 co-relation queries the response was YES. [2021-03-26 08:01:54,353 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25390 conditions, 1595 events. 714/1595 cut-off events. For 139886/140096 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 11652 event pairs, 26 based on Foata normal form. 27/1612 useless extension candidates. Maximal degree in co-relation 25134. Up to 488 conditions per place. [2021-03-26 08:01:54,373 INFO L142 LiptonReduction]: Number of co-enabled transitions 670 [2021-03-26 08:01:54,447 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:01:54,447 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:01:54,447 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 447 [2021-03-26 08:01:54,448 INFO L480 AbstractCegarLoop]: Abstraction has has 629 places, 861 transitions, 22460 flow [2021-03-26 08:01:54,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:54,448 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:01:54,448 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:01:54,448 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable306 [2021-03-26 08:01:54,448 INFO L428 AbstractCegarLoop]: === Iteration 308 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:01:54,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:01:54,448 INFO L82 PathProgramCache]: Analyzing trace with hash -476458429, now seen corresponding path program 3 times [2021-03-26 08:01:54,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:01:54,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971194568] [2021-03-26 08:01:54,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:01:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:01:54,454 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:01:54,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:01:54,459 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:01:54,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:54,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:54,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:01:54,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:54,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:01:54,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:54,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:01:54,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:54,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:01:54,512 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:01:54,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:01:54,542 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 08:01:54,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:01:54,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:54,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:01:54,586 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:01:54,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:54,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:01:54,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971194568] [2021-03-26 08:01:54,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:01:54,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:01:54,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647644608] [2021-03-26 08:01:54,601 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:01:54,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:01:54,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:01:54,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:01:54,602 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 194 [2021-03-26 08:01:54,602 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 629 places, 861 transitions, 22460 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:54,602 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:01:54,602 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 194 [2021-03-26 08:01:54,602 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:01:55,731 INFO L129 PetriNetUnfolder]: 894/1837 cut-off events. [2021-03-26 08:01:55,731 INFO L130 PetriNetUnfolder]: For 172654/172694 co-relation queries the response was YES. [2021-03-26 08:01:55,766 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30683 conditions, 1837 events. 894/1837 cut-off events. For 172654/172694 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 12696 event pairs, 122 based on Foata normal form. 13/1846 useless extension candidates. Maximal degree in co-relation 30418. Up to 1619 conditions per place. [2021-03-26 08:01:55,776 INFO L132 encePairwiseOnDemand]: 171/194 looper letters, 738 selfloop transitions, 113 changer transitions 6/865 dead transitions. [2021-03-26 08:01:55,777 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 643 places, 865 transitions, 24198 flow [2021-03-26 08:01:55,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 08:01:55,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 08:01:55,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 472 transitions. [2021-03-26 08:01:55,778 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16219931271477664 [2021-03-26 08:01:55,778 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 472 transitions. [2021-03-26 08:01:55,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 472 transitions. [2021-03-26 08:01:55,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:01:55,779 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 472 transitions. [2021-03-26 08:01:55,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.466666666666665) internal successors, (472), 15 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:55,780 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 194.0) internal successors, (3104), 16 states have internal predecessors, (3104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:55,780 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 194.0) internal successors, (3104), 16 states have internal predecessors, (3104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:55,780 INFO L185 Difference]: Start difference. First operand has 629 places, 861 transitions, 22460 flow. Second operand 15 states and 472 transitions. [2021-03-26 08:01:55,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 643 places, 865 transitions, 24198 flow [2021-03-26 08:01:56,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 630 places, 865 transitions, 23914 flow, removed 3 selfloop flow, removed 13 redundant places. [2021-03-26 08:01:56,744 INFO L241 Difference]: Finished difference. Result has 632 places, 856 transitions, 22372 flow [2021-03-26 08:01:56,745 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=22176, PETRI_DIFFERENCE_MINUEND_PLACES=616, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=861, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=113, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=748, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=22372, PETRI_PLACES=632, PETRI_TRANSITIONS=856} [2021-03-26 08:01:56,745 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 593 predicate places. [2021-03-26 08:01:56,745 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:01:56,745 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 632 places, 856 transitions, 22372 flow [2021-03-26 08:01:56,745 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 632 places, 856 transitions, 22372 flow [2021-03-26 08:01:56,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 624 places, 856 transitions, 22372 flow [2021-03-26 08:01:57,095 INFO L129 PetriNetUnfolder]: 713/1587 cut-off events. [2021-03-26 08:01:57,095 INFO L130 PetriNetUnfolder]: For 138975/139147 co-relation queries the response was YES. [2021-03-26 08:01:57,123 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25379 conditions, 1587 events. 713/1587 cut-off events. For 138975/139147 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 11557 event pairs, 26 based on Foata normal form. 34/1612 useless extension candidates. Maximal degree in co-relation 25123. Up to 488 conditions per place. [2021-03-26 08:01:57,150 INFO L142 LiptonReduction]: Number of co-enabled transitions 670 [2021-03-26 08:01:57,240 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:01:57,240 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:01:57,240 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 495 [2021-03-26 08:01:57,241 INFO L480 AbstractCegarLoop]: Abstraction has has 624 places, 856 transitions, 22372 flow [2021-03-26 08:01:57,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:57,241 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:01:57,241 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:01:57,241 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable307 [2021-03-26 08:01:57,241 INFO L428 AbstractCegarLoop]: === Iteration 309 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:01:57,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:01:57,242 INFO L82 PathProgramCache]: Analyzing trace with hash -49630536, now seen corresponding path program 2 times [2021-03-26 08:01:57,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:01:57,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283891225] [2021-03-26 08:01:57,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:01:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:01:57,247 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:01:57,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:01:57,253 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:01:57,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:57,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:57,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:57,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:57,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:57,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:57,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:57,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:57,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:57,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:57,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:01:57,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:57,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:01:57,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:01:57,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:01:57,355 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:01:57,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:01:57,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:01:57,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283891225] [2021-03-26 08:01:57,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:01:57,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:01:57,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705558079] [2021-03-26 08:01:57,358 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:01:57,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:01:57,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:01:57,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:01:57,358 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 194 [2021-03-26 08:01:57,358 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 624 places, 856 transitions, 22372 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:57,358 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:01:57,358 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 194 [2021-03-26 08:01:57,358 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:01:58,632 INFO L129 PetriNetUnfolder]: 894/1839 cut-off events. [2021-03-26 08:01:58,633 INFO L130 PetriNetUnfolder]: For 173114/173137 co-relation queries the response was YES. [2021-03-26 08:01:58,664 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30786 conditions, 1839 events. 894/1839 cut-off events. For 173114/173137 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 12688 event pairs, 97 based on Foata normal form. 12/1848 useless extension candidates. Maximal degree in co-relation 30521. Up to 1495 conditions per place. [2021-03-26 08:01:58,674 INFO L132 encePairwiseOnDemand]: 166/194 looper letters, 618 selfloop transitions, 245 changer transitions 3/874 dead transitions. [2021-03-26 08:01:58,674 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 639 places, 874 transitions, 25126 flow [2021-03-26 08:01:58,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 08:01:58,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 08:01:58,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 532 transitions. [2021-03-26 08:01:58,675 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1713917525773196 [2021-03-26 08:01:58,675 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 532 transitions. [2021-03-26 08:01:58,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 532 transitions. [2021-03-26 08:01:58,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:01:58,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 532 transitions. [2021-03-26 08:01:58,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.25) internal successors, (532), 16 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:58,677 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 194.0) internal successors, (3298), 17 states have internal predecessors, (3298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:58,677 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 194.0) internal successors, (3298), 17 states have internal predecessors, (3298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:01:58,677 INFO L185 Difference]: Start difference. First operand has 624 places, 856 transitions, 22372 flow. Second operand 16 states and 532 transitions. [2021-03-26 08:01:58,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 639 places, 874 transitions, 25126 flow [2021-03-26 08:01:59,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 626 places, 874 transitions, 24799 flow, removed 10 selfloop flow, removed 13 redundant places. [2021-03-26 08:01:59,854 INFO L241 Difference]: Finished difference. Result has 630 places, 859 transitions, 22883 flow [2021-03-26 08:01:59,854 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=22051, PETRI_DIFFERENCE_MINUEND_PLACES=611, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=856, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=241, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=611, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=22883, PETRI_PLACES=630, PETRI_TRANSITIONS=859} [2021-03-26 08:01:59,854 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 591 predicate places. [2021-03-26 08:01:59,854 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:01:59,854 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 630 places, 859 transitions, 22883 flow [2021-03-26 08:01:59,854 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 630 places, 859 transitions, 22883 flow [2021-03-26 08:01:59,862 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 629 places, 859 transitions, 22883 flow [2021-03-26 08:02:00,191 INFO L129 PetriNetUnfolder]: 710/1585 cut-off events. [2021-03-26 08:02:00,191 INFO L130 PetriNetUnfolder]: For 147150/147372 co-relation queries the response was YES. [2021-03-26 08:02:00,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25873 conditions, 1585 events. 710/1585 cut-off events. For 147150/147372 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 11603 event pairs, 29 based on Foata normal form. 48/1620 useless extension candidates. Maximal degree in co-relation 25616. Up to 492 conditions per place. [2021-03-26 08:02:00,235 INFO L142 LiptonReduction]: Number of co-enabled transitions 670 [2021-03-26 08:02:00,314 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:02:00,314 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:02:00,314 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 460 [2021-03-26 08:02:00,314 INFO L480 AbstractCegarLoop]: Abstraction has has 629 places, 859 transitions, 22883 flow [2021-03-26 08:02:00,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:00,314 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:02:00,314 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:02:00,314 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable308 [2021-03-26 08:02:00,314 INFO L428 AbstractCegarLoop]: === Iteration 310 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:02:00,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:02:00,315 INFO L82 PathProgramCache]: Analyzing trace with hash 2109798573, now seen corresponding path program 3 times [2021-03-26 08:02:00,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:02:00,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146783572] [2021-03-26 08:02:00,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:02:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:02:00,320 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:02:00,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:02:00,325 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:02:00,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:00,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:00,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:00,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:00,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:02:00,352 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 08:02:00,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:02:00,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:00,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:02:00,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:00,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:00,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:00,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:02:00,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:00,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:02:00,420 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:02:00,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:02:00,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:02:00,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146783572] [2021-03-26 08:02:00,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:02:00,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:02:00,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971350280] [2021-03-26 08:02:00,423 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:02:00,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:02:00,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:02:00,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:02:00,424 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 194 [2021-03-26 08:02:00,424 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 629 places, 859 transitions, 22883 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:00,424 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:02:00,424 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 194 [2021-03-26 08:02:00,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:02:01,585 INFO L129 PetriNetUnfolder]: 894/1832 cut-off events. [2021-03-26 08:02:01,585 INFO L130 PetriNetUnfolder]: For 176765/176795 co-relation queries the response was YES. [2021-03-26 08:02:01,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31091 conditions, 1832 events. 894/1832 cut-off events. For 176765/176795 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 12611 event pairs, 121 based on Foata normal form. 19/1848 useless extension candidates. Maximal degree in co-relation 30829. Up to 1585 conditions per place. [2021-03-26 08:02:01,636 INFO L132 encePairwiseOnDemand]: 171/194 looper letters, 724 selfloop transitions, 128 changer transitions 4/864 dead transitions. [2021-03-26 08:02:01,637 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 642 places, 864 transitions, 24816 flow [2021-03-26 08:02:01,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 08:02:01,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 08:02:01,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 464 transitions. [2021-03-26 08:02:01,638 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17083946980854198 [2021-03-26 08:02:01,638 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 464 transitions. [2021-03-26 08:02:01,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 464 transitions. [2021-03-26 08:02:01,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:02:01,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 464 transitions. [2021-03-26 08:02:01,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 33.142857142857146) internal successors, (464), 14 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:01,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 194.0) internal successors, (2910), 15 states have internal predecessors, (2910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:01,641 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 194.0) internal successors, (2910), 15 states have internal predecessors, (2910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:01,641 INFO L185 Difference]: Start difference. First operand has 629 places, 859 transitions, 22883 flow. Second operand 14 states and 464 transitions. [2021-03-26 08:02:01,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 642 places, 864 transitions, 24816 flow [2021-03-26 08:02:02,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 626 places, 864 transitions, 24298 flow, removed 46 selfloop flow, removed 16 redundant places. [2021-03-26 08:02:02,774 INFO L241 Difference]: Finished difference. Result has 627 places, 855 transitions, 22562 flow [2021-03-26 08:02:02,774 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=22375, PETRI_DIFFERENCE_MINUEND_PLACES=613, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=859, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=128, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=731, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=22562, PETRI_PLACES=627, PETRI_TRANSITIONS=855} [2021-03-26 08:02:02,774 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 588 predicate places. [2021-03-26 08:02:02,774 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:02:02,774 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 627 places, 855 transitions, 22562 flow [2021-03-26 08:02:02,774 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 627 places, 855 transitions, 22562 flow [2021-03-26 08:02:02,781 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 625 places, 855 transitions, 22562 flow [2021-03-26 08:02:03,096 INFO L129 PetriNetUnfolder]: 714/1577 cut-off events. [2021-03-26 08:02:03,096 INFO L130 PetriNetUnfolder]: For 138195/138403 co-relation queries the response was YES. [2021-03-26 08:02:03,119 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25303 conditions, 1577 events. 714/1577 cut-off events. For 138195/138403 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 11461 event pairs, 35 based on Foata normal form. 41/1606 useless extension candidates. Maximal degree in co-relation 25052. Up to 491 conditions per place. [2021-03-26 08:02:03,139 INFO L142 LiptonReduction]: Number of co-enabled transitions 670 [2021-03-26 08:02:03,217 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:02:03,217 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:02:03,217 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 443 [2021-03-26 08:02:03,217 INFO L480 AbstractCegarLoop]: Abstraction has has 625 places, 855 transitions, 22562 flow [2021-03-26 08:02:03,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:03,217 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:02:03,217 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:02:03,217 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable309 [2021-03-26 08:02:03,217 INFO L428 AbstractCegarLoop]: === Iteration 311 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:02:03,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:02:03,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1924744451, now seen corresponding path program 4 times [2021-03-26 08:02:03,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:02:03,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272188605] [2021-03-26 08:02:03,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:02:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:02:03,223 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:02:03,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:02:03,228 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:02:03,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:03,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:03,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:03,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:03,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:02:03,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:03,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:03,269 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:02:03,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:02:03,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:03,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:03,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:03,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:02:03,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:03,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:02:03,343 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:02:03,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:02:03,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:02:03,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272188605] [2021-03-26 08:02:03,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:02:03,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:02:03,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486778080] [2021-03-26 08:02:03,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:02:03,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:02:03,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:02:03,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:02:03,346 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 194 [2021-03-26 08:02:03,346 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 625 places, 855 transitions, 22562 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:03,346 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:02:03,346 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 194 [2021-03-26 08:02:03,346 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:02:04,412 INFO L129 PetriNetUnfolder]: 901/1858 cut-off events. [2021-03-26 08:02:04,412 INFO L130 PetriNetUnfolder]: For 171991/172031 co-relation queries the response was YES. [2021-03-26 08:02:04,438 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30923 conditions, 1858 events. 901/1858 cut-off events. For 171991/172031 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 12867 event pairs, 131 based on Foata normal form. 13/1867 useless extension candidates. Maximal degree in co-relation 30660. Up to 1663 conditions per place. [2021-03-26 08:02:04,447 INFO L132 encePairwiseOnDemand]: 176/194 looper letters, 818 selfloop transitions, 45 changer transitions 3/874 dead transitions. [2021-03-26 08:02:04,447 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 638 places, 874 transitions, 24729 flow [2021-03-26 08:02:04,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 08:02:04,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 08:02:04,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 440 transitions. [2021-03-26 08:02:04,449 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16200294550810015 [2021-03-26 08:02:04,449 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 440 transitions. [2021-03-26 08:02:04,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 440 transitions. [2021-03-26 08:02:04,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:02:04,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 440 transitions. [2021-03-26 08:02:04,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.428571428571427) internal successors, (440), 14 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:04,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 194.0) internal successors, (2910), 15 states have internal predecessors, (2910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:04,450 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 194.0) internal successors, (2910), 15 states have internal predecessors, (2910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:04,450 INFO L185 Difference]: Start difference. First operand has 625 places, 855 transitions, 22562 flow. Second operand 14 states and 440 transitions. [2021-03-26 08:02:04,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 638 places, 874 transitions, 24729 flow [2021-03-26 08:02:05,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 622 places, 874 transitions, 24426 flow, removed 2 selfloop flow, removed 16 redundant places. [2021-03-26 08:02:05,375 INFO L241 Difference]: Finished difference. Result has 629 places, 862 transitions, 22530 flow [2021-03-26 08:02:05,375 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=22279, PETRI_DIFFERENCE_MINUEND_PLACES=609, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=855, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=810, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=22530, PETRI_PLACES=629, PETRI_TRANSITIONS=862} [2021-03-26 08:02:05,375 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 590 predicate places. [2021-03-26 08:02:05,375 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:02:05,375 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 629 places, 862 transitions, 22530 flow [2021-03-26 08:02:05,375 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 629 places, 862 transitions, 22530 flow [2021-03-26 08:02:05,382 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 628 places, 862 transitions, 22530 flow [2021-03-26 08:02:05,721 INFO L129 PetriNetUnfolder]: 718/1604 cut-off events. [2021-03-26 08:02:05,722 INFO L130 PetriNetUnfolder]: For 139845/140063 co-relation queries the response was YES. [2021-03-26 08:02:05,746 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25540 conditions, 1604 events. 718/1604 cut-off events. For 139845/140063 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 11746 event pairs, 32 based on Foata normal form. 36/1629 useless extension candidates. Maximal degree in co-relation 25280. Up to 503 conditions per place. [2021-03-26 08:02:05,766 INFO L142 LiptonReduction]: Number of co-enabled transitions 678 [2021-03-26 08:02:05,979 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:02:05,979 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 08:02:05,979 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 604 [2021-03-26 08:02:05,980 INFO L480 AbstractCegarLoop]: Abstraction has has 627 places, 861 transitions, 22524 flow [2021-03-26 08:02:05,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:05,980 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:02:05,980 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:02:05,980 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable310 [2021-03-26 08:02:05,980 INFO L428 AbstractCegarLoop]: === Iteration 312 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:02:05,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:02:05,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1672194931, now seen corresponding path program 5 times [2021-03-26 08:02:05,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:02:05,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944323185] [2021-03-26 08:02:05,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:02:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:02:05,986 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:02:05,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:02:05,991 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:02:05,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:05,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:05,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:06,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:06,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:02:06,021 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 08:02:06,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:02:06,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:06,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:02:06,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:06,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:06,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:06,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:02:06,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:06,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:02:06,091 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:02:06,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:02:06,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:02:06,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944323185] [2021-03-26 08:02:06,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:02:06,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:02:06,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500746184] [2021-03-26 08:02:06,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:02:06,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:02:06,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:02:06,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:02:06,095 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 195 [2021-03-26 08:02:06,095 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 627 places, 861 transitions, 22524 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:06,095 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:02:06,095 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 195 [2021-03-26 08:02:06,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:02:07,462 INFO L129 PetriNetUnfolder]: 900/1871 cut-off events. [2021-03-26 08:02:07,462 INFO L130 PetriNetUnfolder]: For 168741/168764 co-relation queries the response was YES. [2021-03-26 08:02:07,492 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30874 conditions, 1871 events. 900/1871 cut-off events. For 168741/168764 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 13071 event pairs, 122 based on Foata normal form. 12/1880 useless extension candidates. Maximal degree in co-relation 30604. Up to 1601 conditions per place. [2021-03-26 08:02:07,501 INFO L132 encePairwiseOnDemand]: 172/195 looper letters, 729 selfloop transitions, 134 changer transitions 3/874 dead transitions. [2021-03-26 08:02:07,502 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 641 places, 874 transitions, 24602 flow [2021-03-26 08:02:07,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 08:02:07,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 08:02:07,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 494 transitions. [2021-03-26 08:02:07,503 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1688888888888889 [2021-03-26 08:02:07,503 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 494 transitions. [2021-03-26 08:02:07,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 494 transitions. [2021-03-26 08:02:07,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:02:07,504 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 494 transitions. [2021-03-26 08:02:07,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.93333333333333) internal successors, (494), 15 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:07,505 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 195.0) internal successors, (3120), 16 states have internal predecessors, (3120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:07,505 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 195.0) internal successors, (3120), 16 states have internal predecessors, (3120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:07,505 INFO L185 Difference]: Start difference. First operand has 627 places, 861 transitions, 22524 flow. Second operand 15 states and 494 transitions. [2021-03-26 08:02:07,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 641 places, 874 transitions, 24602 flow [2021-03-26 08:02:08,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 632 places, 874 transitions, 24490 flow, removed 19 selfloop flow, removed 9 redundant places. [2021-03-26 08:02:08,519 INFO L241 Difference]: Finished difference. Result has 637 places, 865 transitions, 22802 flow [2021-03-26 08:02:08,519 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=22414, PETRI_DIFFERENCE_MINUEND_PLACES=618, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=861, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=728, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=22802, PETRI_PLACES=637, PETRI_TRANSITIONS=865} [2021-03-26 08:02:08,519 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 598 predicate places. [2021-03-26 08:02:08,519 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:02:08,519 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 637 places, 865 transitions, 22802 flow [2021-03-26 08:02:08,519 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 637 places, 865 transitions, 22802 flow [2021-03-26 08:02:08,527 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 636 places, 865 transitions, 22802 flow [2021-03-26 08:02:08,927 INFO L129 PetriNetUnfolder]: 717/1613 cut-off events. [2021-03-26 08:02:08,927 INFO L130 PetriNetUnfolder]: For 140735/140907 co-relation queries the response was YES. [2021-03-26 08:02:08,957 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25712 conditions, 1613 events. 717/1613 cut-off events. For 140735/140907 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 11882 event pairs, 30 based on Foata normal form. 40/1643 useless extension candidates. Maximal degree in co-relation 25447. Up to 502 conditions per place. [2021-03-26 08:02:08,978 INFO L142 LiptonReduction]: Number of co-enabled transitions 678 [2021-03-26 08:02:09,053 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:02:09,053 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:02:09,053 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 534 [2021-03-26 08:02:09,053 INFO L480 AbstractCegarLoop]: Abstraction has has 636 places, 865 transitions, 22802 flow [2021-03-26 08:02:09,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:09,053 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:02:09,053 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:02:09,053 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable311 [2021-03-26 08:02:09,053 INFO L428 AbstractCegarLoop]: === Iteration 313 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:02:09,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:02:09,053 INFO L82 PathProgramCache]: Analyzing trace with hash -621343765, now seen corresponding path program 1 times [2021-03-26 08:02:09,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:02:09,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249567677] [2021-03-26 08:02:09,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:02:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:02:09,059 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:02:09,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:02:09,064 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:02:09,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:09,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:09,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:09,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:09,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:02:09,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:09,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:09,108 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:02:09,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:02:09,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:09,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:09,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:09,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:09,165 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:02:09,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:02:09,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:02:09,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249567677] [2021-03-26 08:02:09,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:02:09,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:02:09,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238530895] [2021-03-26 08:02:09,168 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:02:09,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:02:09,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:02:09,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:02:09,168 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 195 [2021-03-26 08:02:09,169 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 636 places, 865 transitions, 22802 flow. Second operand has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:09,169 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:02:09,169 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 195 [2021-03-26 08:02:09,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:02:10,197 INFO L129 PetriNetUnfolder]: 900/1859 cut-off events. [2021-03-26 08:02:10,197 INFO L130 PetriNetUnfolder]: For 169802/169825 co-relation queries the response was YES. [2021-03-26 08:02:10,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30960 conditions, 1859 events. 900/1859 cut-off events. For 169802/169825 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 12920 event pairs, 97 based on Foata normal form. 12/1868 useless extension candidates. Maximal degree in co-relation 30689. Up to 1667 conditions per place. [2021-03-26 08:02:10,235 INFO L132 encePairwiseOnDemand]: 178/195 looper letters, 820 selfloop transitions, 42 changer transitions 3/873 dead transitions. [2021-03-26 08:02:10,235 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 647 places, 873 transitions, 24779 flow [2021-03-26 08:02:10,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 08:02:10,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 08:02:10,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 385 transitions. [2021-03-26 08:02:10,237 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16452991452991453 [2021-03-26 08:02:10,237 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 385 transitions. [2021-03-26 08:02:10,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 385 transitions. [2021-03-26 08:02:10,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:02:10,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 385 transitions. [2021-03-26 08:02:10,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 32.083333333333336) internal successors, (385), 12 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:10,238 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 195.0) internal successors, (2535), 13 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:10,238 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 195.0) internal successors, (2535), 13 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:10,238 INFO L185 Difference]: Start difference. First operand has 636 places, 865 transitions, 22802 flow. Second operand 12 states and 385 transitions. [2021-03-26 08:02:10,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 647 places, 873 transitions, 24779 flow [2021-03-26 08:02:11,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 638 places, 873 transitions, 24596 flow, removed 2 selfloop flow, removed 9 redundant places. [2021-03-26 08:02:11,252 INFO L241 Difference]: Finished difference. Result has 640 places, 863 transitions, 22673 flow [2021-03-26 08:02:11,252 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=22624, PETRI_DIFFERENCE_MINUEND_PLACES=627, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=865, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=823, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=22673, PETRI_PLACES=640, PETRI_TRANSITIONS=863} [2021-03-26 08:02:11,252 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 601 predicate places. [2021-03-26 08:02:11,252 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:02:11,252 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 640 places, 863 transitions, 22673 flow [2021-03-26 08:02:11,252 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 640 places, 863 transitions, 22673 flow [2021-03-26 08:02:11,259 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 636 places, 863 transitions, 22673 flow [2021-03-26 08:02:11,589 INFO L129 PetriNetUnfolder]: 717/1604 cut-off events. [2021-03-26 08:02:11,590 INFO L130 PetriNetUnfolder]: For 140749/140981 co-relation queries the response was YES. [2021-03-26 08:02:11,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25659 conditions, 1604 events. 717/1604 cut-off events. For 140749/140981 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 11740 event pairs, 30 based on Foata normal form. 42/1632 useless extension candidates. Maximal degree in co-relation 25387. Up to 502 conditions per place. [2021-03-26 08:02:11,637 INFO L142 LiptonReduction]: Number of co-enabled transitions 678 [2021-03-26 08:02:11,720 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:02:11,720 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:02:11,720 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 468 [2021-03-26 08:02:11,720 INFO L480 AbstractCegarLoop]: Abstraction has has 636 places, 863 transitions, 22673 flow [2021-03-26 08:02:11,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:11,721 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:02:11,721 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:02:11,721 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable312 [2021-03-26 08:02:11,721 INFO L428 AbstractCegarLoop]: === Iteration 314 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:02:11,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:02:11,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1781737215, now seen corresponding path program 6 times [2021-03-26 08:02:11,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:02:11,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61376307] [2021-03-26 08:02:11,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:02:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:02:11,726 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:02:11,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:02:11,731 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:02:11,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:11,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:11,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:11,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:11,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:02:11,758 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 08:02:11,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:02:11,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:11,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:02:11,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:11,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:11,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:11,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:11,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:11,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:02:11,830 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:02:11,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:02:11,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:02:11,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61376307] [2021-03-26 08:02:11,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:02:11,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:02:11,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116171886] [2021-03-26 08:02:11,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:02:11,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:02:11,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:02:11,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:02:11,834 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 195 [2021-03-26 08:02:11,834 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 636 places, 863 transitions, 22673 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:11,834 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:02:11,834 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 195 [2021-03-26 08:02:11,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:02:13,090 INFO L129 PetriNetUnfolder]: 900/1855 cut-off events. [2021-03-26 08:02:13,091 INFO L130 PetriNetUnfolder]: For 169146/169169 co-relation queries the response was YES. [2021-03-26 08:02:13,114 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30851 conditions, 1855 events. 900/1855 cut-off events. For 169146/169169 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 12866 event pairs, 119 based on Foata normal form. 12/1864 useless extension candidates. Maximal degree in co-relation 30574. Up to 1598 conditions per place. [2021-03-26 08:02:13,122 INFO L132 encePairwiseOnDemand]: 172/195 looper letters, 728 selfloop transitions, 127 changer transitions 5/868 dead transitions. [2021-03-26 08:02:13,123 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 648 places, 868 transitions, 24604 flow [2021-03-26 08:02:13,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 08:02:13,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 08:02:13,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 436 transitions. [2021-03-26 08:02:13,124 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17199211045364893 [2021-03-26 08:02:13,124 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 436 transitions. [2021-03-26 08:02:13,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 436 transitions. [2021-03-26 08:02:13,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:02:13,124 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 436 transitions. [2021-03-26 08:02:13,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 33.53846153846154) internal successors, (436), 13 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:13,125 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 195.0) internal successors, (2730), 14 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:13,125 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 195.0) internal successors, (2730), 14 states have internal predecessors, (2730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:13,125 INFO L185 Difference]: Start difference. First operand has 636 places, 863 transitions, 22673 flow. Second operand 13 states and 436 transitions. [2021-03-26 08:02:13,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 648 places, 868 transitions, 24604 flow [2021-03-26 08:02:14,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 636 places, 868 transitions, 24493 flow, removed 4 selfloop flow, removed 12 redundant places. [2021-03-26 08:02:14,085 INFO L241 Difference]: Finished difference. Result has 637 places, 858 transitions, 22687 flow [2021-03-26 08:02:14,085 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=22562, PETRI_DIFFERENCE_MINUEND_PLACES=624, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=863, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=127, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=736, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=22687, PETRI_PLACES=637, PETRI_TRANSITIONS=858} [2021-03-26 08:02:14,085 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 598 predicate places. [2021-03-26 08:02:14,085 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:02:14,086 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 637 places, 858 transitions, 22687 flow [2021-03-26 08:02:14,086 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 637 places, 858 transitions, 22687 flow [2021-03-26 08:02:14,093 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 635 places, 858 transitions, 22687 flow [2021-03-26 08:02:14,426 INFO L129 PetriNetUnfolder]: 716/1593 cut-off events. [2021-03-26 08:02:14,426 INFO L130 PetriNetUnfolder]: For 141263/141474 co-relation queries the response was YES. [2021-03-26 08:02:14,450 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25679 conditions, 1593 events. 716/1593 cut-off events. For 141263/141474 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 11624 event pairs, 31 based on Foata normal form. 38/1618 useless extension candidates. Maximal degree in co-relation 25422. Up to 501 conditions per place. [2021-03-26 08:02:14,471 INFO L142 LiptonReduction]: Number of co-enabled transitions 678 [2021-03-26 08:02:14,555 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:02:14,556 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:02:14,556 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 471 [2021-03-26 08:02:14,556 INFO L480 AbstractCegarLoop]: Abstraction has has 635 places, 858 transitions, 22687 flow [2021-03-26 08:02:14,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:14,556 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:02:14,556 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:02:14,556 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable313 [2021-03-26 08:02:14,556 INFO L428 AbstractCegarLoop]: === Iteration 315 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:02:14,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:02:14,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1448022029, now seen corresponding path program 7 times [2021-03-26 08:02:14,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:02:14,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845325230] [2021-03-26 08:02:14,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:02:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:02:14,562 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:02:14,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:02:14,567 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:02:14,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:14,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:14,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:14,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:14,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:02:14,597 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 08:02:14,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:02:14,627 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:02:14,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:02:14,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:14,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:14,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:14,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:14,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:14,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:02:14,702 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:02:14,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:02:14,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:02:14,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845325230] [2021-03-26 08:02:14,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:02:14,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:02:14,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293040338] [2021-03-26 08:02:14,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:02:14,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:02:14,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:02:14,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:02:14,705 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 195 [2021-03-26 08:02:14,706 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 635 places, 858 transitions, 22687 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:14,706 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:02:14,706 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 195 [2021-03-26 08:02:14,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:02:16,044 INFO L129 PetriNetUnfolder]: 899/1848 cut-off events. [2021-03-26 08:02:16,045 INFO L130 PetriNetUnfolder]: For 170535/170558 co-relation queries the response was YES. [2021-03-26 08:02:16,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30872 conditions, 1848 events. 899/1848 cut-off events. For 170535/170558 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 12775 event pairs, 121 based on Foata normal form. 13/1858 useless extension candidates. Maximal degree in co-relation 30611. Up to 1574 conditions per place. [2021-03-26 08:02:16,084 INFO L132 encePairwiseOnDemand]: 172/195 looper letters, 701 selfloop transitions, 155 changer transitions 5/869 dead transitions. [2021-03-26 08:02:16,084 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 650 places, 869 transitions, 24954 flow [2021-03-26 08:02:16,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 08:02:16,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 08:02:16,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 532 transitions. [2021-03-26 08:02:16,085 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17051282051282052 [2021-03-26 08:02:16,086 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 532 transitions. [2021-03-26 08:02:16,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 532 transitions. [2021-03-26 08:02:16,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:02:16,086 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 532 transitions. [2021-03-26 08:02:16,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.25) internal successors, (532), 16 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:16,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 195.0) internal successors, (3315), 17 states have internal predecessors, (3315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:16,087 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 195.0) internal successors, (3315), 17 states have internal predecessors, (3315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:16,087 INFO L185 Difference]: Start difference. First operand has 635 places, 858 transitions, 22687 flow. Second operand 16 states and 532 transitions. [2021-03-26 08:02:16,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 650 places, 869 transitions, 24954 flow [2021-03-26 08:02:17,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 634 places, 869 transitions, 24660 flow, removed 3 selfloop flow, removed 16 redundant places. [2021-03-26 08:02:17,104 INFO L241 Difference]: Finished difference. Result has 637 places, 854 transitions, 22721 flow [2021-03-26 08:02:17,104 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=22393, PETRI_DIFFERENCE_MINUEND_PLACES=619, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=858, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=155, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=703, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=22721, PETRI_PLACES=637, PETRI_TRANSITIONS=854} [2021-03-26 08:02:17,104 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 598 predicate places. [2021-03-26 08:02:17,104 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:02:17,104 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 637 places, 854 transitions, 22721 flow [2021-03-26 08:02:17,104 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 637 places, 854 transitions, 22721 flow [2021-03-26 08:02:17,112 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 637 places, 854 transitions, 22721 flow [2021-03-26 08:02:17,556 INFO L129 PetriNetUnfolder]: 712/1582 cut-off events. [2021-03-26 08:02:17,556 INFO L130 PetriNetUnfolder]: For 141939/142157 co-relation queries the response was YES. [2021-03-26 08:02:17,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25650 conditions, 1582 events. 712/1582 cut-off events. For 141939/142157 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 11488 event pairs, 30 based on Foata normal form. 42/1613 useless extension candidates. Maximal degree in co-relation 25357. Up to 498 conditions per place. [2021-03-26 08:02:17,697 INFO L142 LiptonReduction]: Number of co-enabled transitions 676 [2021-03-26 08:02:17,806 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:02:17,807 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:02:17,807 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 703 [2021-03-26 08:02:17,807 INFO L480 AbstractCegarLoop]: Abstraction has has 637 places, 854 transitions, 22721 flow [2021-03-26 08:02:17,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:17,807 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:02:17,807 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:02:17,807 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable314 [2021-03-26 08:02:17,807 INFO L428 AbstractCegarLoop]: === Iteration 316 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:02:17,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:02:17,808 INFO L82 PathProgramCache]: Analyzing trace with hash -920686109, now seen corresponding path program 8 times [2021-03-26 08:02:17,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:02:17,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208026820] [2021-03-26 08:02:17,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:02:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:02:17,816 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:02:17,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:02:17,822 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:02:17,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:17,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:17,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:17,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:17,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:02:17,858 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 08:02:17,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:02:17,894 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:02:17,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:02:17,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:17,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:17,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:17,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:02:17,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:17,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:02:17,985 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:02:17,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:02:17,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:02:17,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208026820] [2021-03-26 08:02:17,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:02:17,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:02:17,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691975487] [2021-03-26 08:02:17,989 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:02:17,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:02:17,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:02:17,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:02:17,990 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 195 [2021-03-26 08:02:17,990 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 637 places, 854 transitions, 22721 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:17,990 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:02:17,990 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 195 [2021-03-26 08:02:17,990 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:02:19,806 INFO L129 PetriNetUnfolder]: 899/1833 cut-off events. [2021-03-26 08:02:19,806 INFO L130 PetriNetUnfolder]: For 171285/171325 co-relation queries the response was YES. [2021-03-26 08:02:19,839 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30896 conditions, 1833 events. 899/1833 cut-off events. For 171285/171325 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 12591 event pairs, 119 based on Foata normal form. 13/1842 useless extension candidates. Maximal degree in co-relation 30606. Up to 1567 conditions per place. [2021-03-26 08:02:19,850 INFO L132 encePairwiseOnDemand]: 172/195 looper letters, 692 selfloop transitions, 160 changer transitions 4/864 dead transitions. [2021-03-26 08:02:19,850 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 654 places, 864 transitions, 24951 flow [2021-03-26 08:02:19,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 08:02:19,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 08:02:19,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 589 transitions. [2021-03-26 08:02:19,853 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1678062678062678 [2021-03-26 08:02:19,853 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 589 transitions. [2021-03-26 08:02:19,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 589 transitions. [2021-03-26 08:02:19,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:02:19,853 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 589 transitions. [2021-03-26 08:02:19,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 32.72222222222222) internal successors, (589), 18 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:19,855 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 195.0) internal successors, (3705), 19 states have internal predecessors, (3705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:19,855 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 195.0) internal successors, (3705), 19 states have internal predecessors, (3705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:19,855 INFO L185 Difference]: Start difference. First operand has 637 places, 854 transitions, 22721 flow. Second operand 18 states and 589 transitions. [2021-03-26 08:02:19,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 654 places, 864 transitions, 24951 flow [2021-03-26 08:02:20,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 638 places, 864 transitions, 24569 flow, removed 3 selfloop flow, removed 16 redundant places. [2021-03-26 08:02:20,999 INFO L241 Difference]: Finished difference. Result has 639 places, 850 transitions, 22564 flow [2021-03-26 08:02:21,000 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=22339, PETRI_DIFFERENCE_MINUEND_PLACES=621, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=854, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=160, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=694, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=22564, PETRI_PLACES=639, PETRI_TRANSITIONS=850} [2021-03-26 08:02:21,000 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 600 predicate places. [2021-03-26 08:02:21,000 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:02:21,000 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 639 places, 850 transitions, 22564 flow [2021-03-26 08:02:21,000 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 639 places, 850 transitions, 22564 flow [2021-03-26 08:02:21,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 639 places, 850 transitions, 22564 flow [2021-03-26 08:02:21,388 INFO L129 PetriNetUnfolder]: 714/1577 cut-off events. [2021-03-26 08:02:21,389 INFO L130 PetriNetUnfolder]: For 141222/141417 co-relation queries the response was YES. [2021-03-26 08:02:21,416 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25628 conditions, 1577 events. 714/1577 cut-off events. For 141222/141417 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 11427 event pairs, 32 based on Foata normal form. 37/1599 useless extension candidates. Maximal degree in co-relation 25348. Up to 498 conditions per place. [2021-03-26 08:02:21,439 INFO L142 LiptonReduction]: Number of co-enabled transitions 672 [2021-03-26 08:02:21,518 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:02:21,519 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:02:21,519 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 519 [2021-03-26 08:02:21,519 INFO L480 AbstractCegarLoop]: Abstraction has has 639 places, 850 transitions, 22564 flow [2021-03-26 08:02:21,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:21,519 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:02:21,519 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:02:21,519 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable315 [2021-03-26 08:02:21,519 INFO L428 AbstractCegarLoop]: === Iteration 317 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:02:21,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:02:21,519 INFO L82 PathProgramCache]: Analyzing trace with hash 824110144, now seen corresponding path program 3 times [2021-03-26 08:02:21,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:02:21,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378170167] [2021-03-26 08:02:21,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:02:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:02:21,542 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:02:21,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:02:21,554 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:02:21,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:21,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:21,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:02:21,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:21,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:02:21,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:21,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:02:21,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:21,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:02:21,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:21,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:02:21,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:21,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:02:21,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:21,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:02:21,662 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:02:21,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:02:21,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:02:21,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378170167] [2021-03-26 08:02:21,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:02:21,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:02:21,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098772121] [2021-03-26 08:02:21,666 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:02:21,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:02:21,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:02:21,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:02:21,666 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 195 [2021-03-26 08:02:21,666 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 639 places, 850 transitions, 22564 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:21,666 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:02:21,666 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 195 [2021-03-26 08:02:21,666 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:02:23,117 INFO L129 PetriNetUnfolder]: 898/1825 cut-off events. [2021-03-26 08:02:23,117 INFO L130 PetriNetUnfolder]: For 170150/170180 co-relation queries the response was YES. [2021-03-26 08:02:23,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30760 conditions, 1825 events. 898/1825 cut-off events. For 170150/170180 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 12457 event pairs, 131 based on Foata normal form. 19/1841 useless extension candidates. Maximal degree in co-relation 30472. Up to 1551 conditions per place. [2021-03-26 08:02:23,153 INFO L132 encePairwiseOnDemand]: 170/195 looper letters, 673 selfloop transitions, 173 changer transitions 6/860 dead transitions. [2021-03-26 08:02:23,153 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 654 places, 860 transitions, 24798 flow [2021-03-26 08:02:23,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 08:02:23,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 08:02:23,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 519 transitions. [2021-03-26 08:02:23,155 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16634615384615384 [2021-03-26 08:02:23,155 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 519 transitions. [2021-03-26 08:02:23,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 519 transitions. [2021-03-26 08:02:23,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:02:23,155 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 519 transitions. [2021-03-26 08:02:23,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.4375) internal successors, (519), 16 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:23,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 195.0) internal successors, (3315), 17 states have internal predecessors, (3315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:23,156 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 195.0) internal successors, (3315), 17 states have internal predecessors, (3315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:23,156 INFO L185 Difference]: Start difference. First operand has 639 places, 850 transitions, 22564 flow. Second operand 16 states and 519 transitions. [2021-03-26 08:02:23,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 654 places, 860 transitions, 24798 flow [2021-03-26 08:02:24,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 632 places, 860 transitions, 24380 flow, removed 1 selfloop flow, removed 22 redundant places. [2021-03-26 08:02:24,294 INFO L241 Difference]: Finished difference. Result has 633 places, 844 transitions, 22360 flow [2021-03-26 08:02:24,294 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=22146, PETRI_DIFFERENCE_MINUEND_PLACES=617, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=850, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=173, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=677, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=22360, PETRI_PLACES=633, PETRI_TRANSITIONS=844} [2021-03-26 08:02:24,294 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 594 predicate places. [2021-03-26 08:02:24,294 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:02:24,294 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 633 places, 844 transitions, 22360 flow [2021-03-26 08:02:24,294 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 633 places, 844 transitions, 22360 flow [2021-03-26 08:02:24,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 629 places, 844 transitions, 22360 flow [2021-03-26 08:02:24,634 INFO L129 PetriNetUnfolder]: 712/1569 cut-off events. [2021-03-26 08:02:24,634 INFO L130 PetriNetUnfolder]: For 140324/140504 co-relation queries the response was YES. [2021-03-26 08:02:24,663 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25464 conditions, 1569 events. 712/1569 cut-off events. For 140324/140504 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 11345 event pairs, 29 based on Foata normal form. 39/1595 useless extension candidates. Maximal degree in co-relation 25216. Up to 495 conditions per place. [2021-03-26 08:02:24,688 INFO L142 LiptonReduction]: Number of co-enabled transitions 672 [2021-03-26 08:02:24,770 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:02:24,770 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:02:24,771 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 477 [2021-03-26 08:02:24,771 INFO L480 AbstractCegarLoop]: Abstraction has has 629 places, 844 transitions, 22360 flow [2021-03-26 08:02:24,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:24,771 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:02:24,771 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:02:24,771 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable316 [2021-03-26 08:02:24,771 INFO L428 AbstractCegarLoop]: === Iteration 318 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:02:24,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:02:24,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1238979071, now seen corresponding path program 1 times [2021-03-26 08:02:24,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:02:24,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683975892] [2021-03-26 08:02:24,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:02:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:02:24,781 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:02:24,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:02:24,788 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:02:24,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:24,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:24,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:24,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:24,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:02:24,836 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 08:02:24,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:02:24,882 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:02:24,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:02:24,933 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:02:24,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:02:24,980 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:02:24,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:02:25,029 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 08:02:25,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:02:25,081 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-26 08:02:25,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 08:02:25,088 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:02:25,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:02:25,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:02:25,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683975892] [2021-03-26 08:02:25,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:02:25,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:02:25,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744579328] [2021-03-26 08:02:25,091 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:02:25,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:02:25,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:02:25,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:02:25,092 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 195 [2021-03-26 08:02:25,092 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 629 places, 844 transitions, 22360 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:25,092 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:02:25,092 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 195 [2021-03-26 08:02:25,092 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:02:27,011 INFO L129 PetriNetUnfolder]: 908/1843 cut-off events. [2021-03-26 08:02:27,011 INFO L130 PetriNetUnfolder]: For 177044/177084 co-relation queries the response was YES. [2021-03-26 08:02:27,046 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31245 conditions, 1843 events. 908/1843 cut-off events. For 177044/177084 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 12595 event pairs, 108 based on Foata normal form. 13/1852 useless extension candidates. Maximal degree in co-relation 30991. Up to 1508 conditions per place. [2021-03-26 08:02:27,058 INFO L132 encePairwiseOnDemand]: 168/195 looper letters, 632 selfloop transitions, 229 changer transitions 4/873 dead transitions. [2021-03-26 08:02:27,058 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 646 places, 873 transitions, 25496 flow [2021-03-26 08:02:27,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 08:02:27,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 08:02:27,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 585 transitions. [2021-03-26 08:02:27,060 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16666666666666666 [2021-03-26 08:02:27,060 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 585 transitions. [2021-03-26 08:02:27,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 585 transitions. [2021-03-26 08:02:27,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:02:27,061 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 585 transitions. [2021-03-26 08:02:27,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 32.5) internal successors, (585), 18 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:27,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 195.0) internal successors, (3705), 19 states have internal predecessors, (3705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:27,062 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 195.0) internal successors, (3705), 19 states have internal predecessors, (3705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:27,063 INFO L185 Difference]: Start difference. First operand has 629 places, 844 transitions, 22360 flow. Second operand 18 states and 585 transitions. [2021-03-26 08:02:27,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 646 places, 873 transitions, 25496 flow [2021-03-26 08:02:28,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 626 places, 873 transitions, 25083 flow, removed 24 selfloop flow, removed 20 redundant places. [2021-03-26 08:02:28,250 INFO L241 Difference]: Finished difference. Result has 630 places, 854 transitions, 23011 flow [2021-03-26 08:02:28,250 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=21983, PETRI_DIFFERENCE_MINUEND_PLACES=609, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=844, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=220, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=621, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=23011, PETRI_PLACES=630, PETRI_TRANSITIONS=854} [2021-03-26 08:02:28,251 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 591 predicate places. [2021-03-26 08:02:28,251 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:02:28,251 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 630 places, 854 transitions, 23011 flow [2021-03-26 08:02:28,251 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 630 places, 854 transitions, 23011 flow [2021-03-26 08:02:28,259 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 629 places, 854 transitions, 23011 flow [2021-03-26 08:02:28,677 INFO L129 PetriNetUnfolder]: 723/1585 cut-off events. [2021-03-26 08:02:28,677 INFO L130 PetriNetUnfolder]: For 148569/148838 co-relation queries the response was YES. [2021-03-26 08:02:28,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26149 conditions, 1585 events. 723/1585 cut-off events. For 148569/148838 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 11477 event pairs, 29 based on Foata normal form. 41/1610 useless extension candidates. Maximal degree in co-relation 25803. Up to 512 conditions per place. [2021-03-26 08:02:28,732 INFO L142 LiptonReduction]: Number of co-enabled transitions 680 [2021-03-26 08:02:28,812 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:02:28,813 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:02:28,813 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 562 [2021-03-26 08:02:28,813 INFO L480 AbstractCegarLoop]: Abstraction has has 629 places, 854 transitions, 23011 flow [2021-03-26 08:02:28,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:28,813 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:02:28,813 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:02:28,813 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable317 [2021-03-26 08:02:28,813 INFO L428 AbstractCegarLoop]: === Iteration 319 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:02:28,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:02:28,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1354294607, now seen corresponding path program 2 times [2021-03-26 08:02:28,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:02:28,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958498039] [2021-03-26 08:02:28,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:02:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:02:28,820 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:02:28,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:02:28,827 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:02:28,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:28,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:28,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:28,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:28,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:02:28,869 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 08:02:28,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:02:28,913 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:02:28,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:02:28,966 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:02:28,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:02:29,009 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:02:29,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:02:29,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:29,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:29,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:29,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:02:29,112 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:02:29,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:02:29,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:02:29,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958498039] [2021-03-26 08:02:29,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:02:29,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:02:29,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261637183] [2021-03-26 08:02:29,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:02:29,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:02:29,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:02:29,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:02:29,116 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 195 [2021-03-26 08:02:29,116 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 629 places, 854 transitions, 23011 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:29,116 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:02:29,116 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 195 [2021-03-26 08:02:29,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:02:30,813 INFO L129 PetriNetUnfolder]: 917/1876 cut-off events. [2021-03-26 08:02:30,813 INFO L130 PetriNetUnfolder]: For 183769/183792 co-relation queries the response was YES. [2021-03-26 08:02:30,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32129 conditions, 1876 events. 917/1876 cut-off events. For 183769/183792 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 12985 event pairs, 111 based on Foata normal form. 13/1886 useless extension candidates. Maximal degree in co-relation 31843. Up to 1429 conditions per place. [2021-03-26 08:02:30,855 INFO L132 encePairwiseOnDemand]: 165/195 looper letters, 556 selfloop transitions, 331 changer transitions 6/901 dead transitions. [2021-03-26 08:02:30,855 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 647 places, 901 transitions, 26826 flow [2021-03-26 08:02:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 08:02:30,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 08:02:30,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 628 transitions. [2021-03-26 08:02:30,856 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16950067476383265 [2021-03-26 08:02:30,856 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 628 transitions. [2021-03-26 08:02:30,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 628 transitions. [2021-03-26 08:02:30,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:02:30,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 628 transitions. [2021-03-26 08:02:30,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 33.05263157894737) internal successors, (628), 19 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:30,858 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 195.0) internal successors, (3900), 20 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:30,858 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 195.0) internal successors, (3900), 20 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:30,858 INFO L185 Difference]: Start difference. First operand has 629 places, 854 transitions, 23011 flow. Second operand 19 states and 628 transitions. [2021-03-26 08:02:30,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 647 places, 901 transitions, 26826 flow [2021-03-26 08:02:32,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 637 places, 901 transitions, 26280 flow, removed 144 selfloop flow, removed 10 redundant places. [2021-03-26 08:02:32,129 INFO L241 Difference]: Finished difference. Result has 644 places, 877 transitions, 24353 flow [2021-03-26 08:02:32,130 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=22465, PETRI_DIFFERENCE_MINUEND_PLACES=619, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=854, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=310, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=535, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=24353, PETRI_PLACES=644, PETRI_TRANSITIONS=877} [2021-03-26 08:02:32,130 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 605 predicate places. [2021-03-26 08:02:32,130 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:02:32,130 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 644 places, 877 transitions, 24353 flow [2021-03-26 08:02:32,130 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 644 places, 877 transitions, 24353 flow [2021-03-26 08:02:32,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 644 places, 877 transitions, 24353 flow [2021-03-26 08:02:32,644 INFO L129 PetriNetUnfolder]: 726/1616 cut-off events. [2021-03-26 08:02:32,644 INFO L130 PetriNetUnfolder]: For 161111/161363 co-relation queries the response was YES. [2021-03-26 08:02:32,673 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27346 conditions, 1616 events. 726/1616 cut-off events. For 161111/161363 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 11865 event pairs, 33 based on Foata normal form. 41/1642 useless extension candidates. Maximal degree in co-relation 26990. Up to 518 conditions per place. [2021-03-26 08:02:32,699 INFO L142 LiptonReduction]: Number of co-enabled transitions 680 [2021-03-26 08:02:32,782 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:02:32,782 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:02:32,782 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 652 [2021-03-26 08:02:32,782 INFO L480 AbstractCegarLoop]: Abstraction has has 644 places, 877 transitions, 24353 flow [2021-03-26 08:02:32,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:32,782 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:02:32,782 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:02:32,782 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable318 [2021-03-26 08:02:32,783 INFO L428 AbstractCegarLoop]: === Iteration 320 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:02:32,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:02:32,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1276501409, now seen corresponding path program 3 times [2021-03-26 08:02:32,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:02:32,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079670741] [2021-03-26 08:02:32,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:02:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:02:32,792 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:02:32,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:02:32,797 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:02:32,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:32,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:32,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:32,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:32,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:02:32,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:32,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:32,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:32,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:32,852 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:02:32,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:02:32,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:32,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:32,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:32,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:02:32,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:32,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:02:32,922 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:02:32,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:02:32,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:02:32,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079670741] [2021-03-26 08:02:32,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:02:32,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:02:32,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047717897] [2021-03-26 08:02:32,925 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:02:32,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:02:32,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:02:32,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:02:32,926 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 195 [2021-03-26 08:02:32,926 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 644 places, 877 transitions, 24353 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:32,926 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:02:32,926 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 195 [2021-03-26 08:02:32,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:02:34,627 INFO L129 PetriNetUnfolder]: 922/1895 cut-off events. [2021-03-26 08:02:34,627 INFO L130 PetriNetUnfolder]: For 202675/202715 co-relation queries the response was YES. [2021-03-26 08:02:34,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33380 conditions, 1895 events. 922/1895 cut-off events. For 202675/202715 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 13188 event pairs, 126 based on Foata normal form. 13/1904 useless extension candidates. Maximal degree in co-relation 33087. Up to 1706 conditions per place. [2021-03-26 08:02:34,780 INFO L132 encePairwiseOnDemand]: 178/195 looper letters, 833 selfloop transitions, 56 changer transitions 2/899 dead transitions. [2021-03-26 08:02:34,780 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 662 places, 899 transitions, 27198 flow [2021-03-26 08:02:34,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 08:02:34,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 08:02:34,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 578 transitions. [2021-03-26 08:02:34,782 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15600539811066128 [2021-03-26 08:02:34,782 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 578 transitions. [2021-03-26 08:02:34,782 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 578 transitions. [2021-03-26 08:02:34,782 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:02:34,782 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 578 transitions. [2021-03-26 08:02:34,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 30.42105263157895) internal successors, (578), 19 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:34,784 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 195.0) internal successors, (3900), 20 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:34,784 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 195.0) internal successors, (3900), 20 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:34,784 INFO L185 Difference]: Start difference. First operand has 644 places, 877 transitions, 24353 flow. Second operand 19 states and 578 transitions. [2021-03-26 08:02:34,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 662 places, 899 transitions, 27198 flow [2021-03-26 08:02:35,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 650 places, 899 transitions, 26333 flow, removed 211 selfloop flow, removed 12 redundant places. [2021-03-26 08:02:35,865 INFO L241 Difference]: Finished difference. Result has 655 places, 892 transitions, 24424 flow [2021-03-26 08:02:35,865 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=23495, PETRI_DIFFERENCE_MINUEND_PLACES=632, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=877, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=830, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=24424, PETRI_PLACES=655, PETRI_TRANSITIONS=892} [2021-03-26 08:02:35,865 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 616 predicate places. [2021-03-26 08:02:35,865 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:02:35,865 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 655 places, 892 transitions, 24424 flow [2021-03-26 08:02:35,865 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 655 places, 892 transitions, 24424 flow [2021-03-26 08:02:35,873 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 654 places, 892 transitions, 24424 flow [2021-03-26 08:02:36,273 INFO L129 PetriNetUnfolder]: 735/1644 cut-off events. [2021-03-26 08:02:36,273 INFO L130 PetriNetUnfolder]: For 167297/167546 co-relation queries the response was YES. [2021-03-26 08:02:36,304 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27645 conditions, 1644 events. 735/1644 cut-off events. For 167297/167546 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 12139 event pairs, 27 based on Foata normal form. 38/1670 useless extension candidates. Maximal degree in co-relation 27379. Up to 522 conditions per place. [2021-03-26 08:02:36,328 INFO L142 LiptonReduction]: Number of co-enabled transitions 682 [2021-03-26 08:02:36,564 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:02:36,564 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 08:02:36,565 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 700 [2021-03-26 08:02:36,565 INFO L480 AbstractCegarLoop]: Abstraction has has 654 places, 892 transitions, 24502 flow [2021-03-26 08:02:36,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:36,565 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:02:36,565 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:02:36,565 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable319 [2021-03-26 08:02:36,565 INFO L428 AbstractCegarLoop]: === Iteration 321 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:02:36,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:02:36,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1080464591, now seen corresponding path program 4 times [2021-03-26 08:02:36,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:02:36,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625104148] [2021-03-26 08:02:36,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:02:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:02:36,573 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:02:36,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:02:36,578 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:02:36,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:36,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:36,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:36,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:36,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:02:36,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:36,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:36,621 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:02:36,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:02:36,653 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:02:36,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:02:36,686 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:02:36,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:02:36,721 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 08:02:36,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:02:36,757 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-26 08:02:36,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 08:02:36,762 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:02:36,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:02:36,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:02:36,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625104148] [2021-03-26 08:02:36,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:02:36,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:02:36,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953931583] [2021-03-26 08:02:36,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:02:36,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:02:36,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:02:36,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:02:36,766 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 196 [2021-03-26 08:02:36,766 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 654 places, 892 transitions, 24502 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:36,766 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:02:36,766 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 196 [2021-03-26 08:02:36,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:02:38,550 INFO L129 PetriNetUnfolder]: 927/1911 cut-off events. [2021-03-26 08:02:38,550 INFO L130 PetriNetUnfolder]: For 208073/208096 co-relation queries the response was YES. [2021-03-26 08:02:38,584 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33438 conditions, 1911 events. 927/1911 cut-off events. For 208073/208096 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 13339 event pairs, 128 based on Foata normal form. 12/1920 useless extension candidates. Maximal degree in co-relation 33165. Up to 1701 conditions per place. [2021-03-26 08:02:38,595 INFO L132 encePairwiseOnDemand]: 176/196 looper letters, 818 selfloop transitions, 82 changer transitions 2/910 dead transitions. [2021-03-26 08:02:38,595 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 668 places, 910 transitions, 27089 flow [2021-03-26 08:02:38,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 08:02:38,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 08:02:38,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 474 transitions. [2021-03-26 08:02:38,597 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16122448979591836 [2021-03-26 08:02:38,597 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 474 transitions. [2021-03-26 08:02:38,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 474 transitions. [2021-03-26 08:02:38,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:02:38,597 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 474 transitions. [2021-03-26 08:02:38,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.6) internal successors, (474), 15 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:38,599 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 196.0) internal successors, (3136), 16 states have internal predecessors, (3136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:38,599 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 196.0) internal successors, (3136), 16 states have internal predecessors, (3136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:38,599 INFO L185 Difference]: Start difference. First operand has 654 places, 892 transitions, 24502 flow. Second operand 15 states and 474 transitions. [2021-03-26 08:02:38,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 668 places, 910 transitions, 27089 flow [2021-03-26 08:02:39,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 660 places, 910 transitions, 26215 flow, removed 408 selfloop flow, removed 8 redundant places. [2021-03-26 08:02:39,952 INFO L241 Difference]: Finished difference. Result has 665 places, 900 transitions, 24135 flow [2021-03-26 08:02:39,952 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=23716, PETRI_DIFFERENCE_MINUEND_PLACES=646, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=892, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=814, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=24135, PETRI_PLACES=665, PETRI_TRANSITIONS=900} [2021-03-26 08:02:39,952 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 626 predicate places. [2021-03-26 08:02:39,952 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:02:39,953 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 665 places, 900 transitions, 24135 flow [2021-03-26 08:02:39,953 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 665 places, 900 transitions, 24135 flow [2021-03-26 08:02:39,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 664 places, 900 transitions, 24135 flow [2021-03-26 08:02:40,473 INFO L129 PetriNetUnfolder]: 742/1657 cut-off events. [2021-03-26 08:02:40,473 INFO L130 PetriNetUnfolder]: For 170415/170647 co-relation queries the response was YES. [2021-03-26 08:02:40,498 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27748 conditions, 1657 events. 742/1657 cut-off events. For 170415/170647 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 12296 event pairs, 26 based on Foata normal form. 27/1672 useless extension candidates. Maximal degree in co-relation 27381. Up to 519 conditions per place. [2021-03-26 08:02:40,522 INFO L142 LiptonReduction]: Number of co-enabled transitions 690 [2021-03-26 08:02:40,751 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:02:40,752 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 08:02:40,752 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 800 [2021-03-26 08:02:40,752 INFO L480 AbstractCegarLoop]: Abstraction has has 664 places, 900 transitions, 24144 flow [2021-03-26 08:02:40,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:40,752 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:02:40,752 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:02:40,752 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable320 [2021-03-26 08:02:40,752 INFO L428 AbstractCegarLoop]: === Iteration 322 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:02:40,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:02:40,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1796894864, now seen corresponding path program 1 times [2021-03-26 08:02:40,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:02:40,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315711924] [2021-03-26 08:02:40,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:02:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:02:40,758 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:02:40,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:02:40,763 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:02:40,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:40,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:40,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:40,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:40,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:02:40,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:40,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:40,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:40,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:40,813 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:02:40,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:02:40,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:40,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:40,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:40,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:40,869 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:02:40,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:02:40,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:02:40,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315711924] [2021-03-26 08:02:40,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:02:40,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:02:40,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657736485] [2021-03-26 08:02:40,871 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:02:40,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:02:40,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:02:40,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:02:40,872 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 197 [2021-03-26 08:02:40,872 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 664 places, 900 transitions, 24144 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:40,872 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:02:40,872 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 197 [2021-03-26 08:02:40,872 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:02:42,151 INFO L129 PetriNetUnfolder]: 926/1912 cut-off events. [2021-03-26 08:02:42,151 INFO L130 PetriNetUnfolder]: For 204433/204437 co-relation queries the response was YES. [2021-03-26 08:02:42,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33284 conditions, 1912 events. 926/1912 cut-off events. For 204433/204437 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 13352 event pairs, 107 based on Foata normal form. 5/1914 useless extension candidates. Maximal degree in co-relation 32982. Up to 1719 conditions per place. [2021-03-26 08:02:42,194 INFO L132 encePairwiseOnDemand]: 180/197 looper letters, 840 selfloop transitions, 57 changer transitions 1/906 dead transitions. [2021-03-26 08:02:42,194 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 679 places, 906 transitions, 26087 flow [2021-03-26 08:02:42,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 08:02:42,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 08:02:42,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 498 transitions. [2021-03-26 08:02:42,196 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.157994923857868 [2021-03-26 08:02:42,196 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 498 transitions. [2021-03-26 08:02:42,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 498 transitions. [2021-03-26 08:02:42,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:02:42,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 498 transitions. [2021-03-26 08:02:42,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.125) internal successors, (498), 16 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:42,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 197.0) internal successors, (3349), 17 states have internal predecessors, (3349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:42,197 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 197.0) internal successors, (3349), 17 states have internal predecessors, (3349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:42,197 INFO L185 Difference]: Start difference. First operand has 664 places, 900 transitions, 24144 flow. Second operand 16 states and 498 transitions. [2021-03-26 08:02:42,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 679 places, 906 transitions, 26087 flow [2021-03-26 08:02:43,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 668 places, 906 transitions, 25818 flow, removed 48 selfloop flow, removed 11 redundant places. [2021-03-26 08:02:43,307 INFO L241 Difference]: Finished difference. Result has 669 places, 901 transitions, 24015 flow [2021-03-26 08:02:43,307 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=23875, PETRI_DIFFERENCE_MINUEND_PLACES=653, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=900, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=844, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=24015, PETRI_PLACES=669, PETRI_TRANSITIONS=901} [2021-03-26 08:02:43,307 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 630 predicate places. [2021-03-26 08:02:43,307 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:02:43,307 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 669 places, 901 transitions, 24015 flow [2021-03-26 08:02:43,308 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 669 places, 901 transitions, 24015 flow [2021-03-26 08:02:43,315 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 669 places, 901 transitions, 24015 flow [2021-03-26 08:02:43,673 INFO L129 PetriNetUnfolder]: 741/1658 cut-off events. [2021-03-26 08:02:43,673 INFO L130 PetriNetUnfolder]: For 167298/167533 co-relation queries the response was YES. [2021-03-26 08:02:43,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27664 conditions, 1658 events. 741/1658 cut-off events. For 167298/167533 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 12257 event pairs, 26 based on Foata normal form. 28/1675 useless extension candidates. Maximal degree in co-relation 27297. Up to 516 conditions per place. [2021-03-26 08:02:43,724 INFO L142 LiptonReduction]: Number of co-enabled transitions 690 [2021-03-26 08:02:43,811 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:02:43,811 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:02:43,811 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 504 [2021-03-26 08:02:43,812 INFO L480 AbstractCegarLoop]: Abstraction has has 669 places, 901 transitions, 24015 flow [2021-03-26 08:02:43,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:43,812 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:02:43,812 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:02:43,812 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable321 [2021-03-26 08:02:43,812 INFO L428 AbstractCegarLoop]: === Iteration 323 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:02:43,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:02:43,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1372776494, now seen corresponding path program 1 times [2021-03-26 08:02:43,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:02:43,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548331576] [2021-03-26 08:02:43,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:02:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:02:43,818 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:02:43,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:02:43,824 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:02:43,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:43,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:43,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:43,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:43,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:02:43,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:43,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:43,868 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:02:43,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:02:43,899 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:02:43,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:02:43,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:43,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:43,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:43,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:02:43,961 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:02:43,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:02:43,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:02:43,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548331576] [2021-03-26 08:02:43,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:02:43,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:02:43,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985501014] [2021-03-26 08:02:43,963 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:02:43,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:02:43,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:02:43,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:02:43,964 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 197 [2021-03-26 08:02:43,964 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 669 places, 901 transitions, 24015 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:43,964 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:02:43,964 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 197 [2021-03-26 08:02:43,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:02:45,210 INFO L129 PetriNetUnfolder]: 925/1910 cut-off events. [2021-03-26 08:02:45,210 INFO L130 PetriNetUnfolder]: For 206753/206776 co-relation queries the response was YES. [2021-03-26 08:02:45,239 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33289 conditions, 1910 events. 925/1910 cut-off events. For 206753/206776 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 13401 event pairs, 129 based on Foata normal form. 12/1919 useless extension candidates. Maximal degree in co-relation 32987. Up to 1710 conditions per place. [2021-03-26 08:02:45,248 INFO L132 encePairwiseOnDemand]: 179/197 looper letters, 846 selfloop transitions, 53 changer transitions 3/910 dead transitions. [2021-03-26 08:02:45,248 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 682 places, 910 transitions, 26343 flow [2021-03-26 08:02:45,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 08:02:45,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 08:02:45,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 440 transitions. [2021-03-26 08:02:45,250 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15953589557650472 [2021-03-26 08:02:45,250 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 440 transitions. [2021-03-26 08:02:45,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 440 transitions. [2021-03-26 08:02:45,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:02:45,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 440 transitions. [2021-03-26 08:02:45,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.428571428571427) internal successors, (440), 14 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:45,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 197.0) internal successors, (2955), 15 states have internal predecessors, (2955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:45,251 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 197.0) internal successors, (2955), 15 states have internal predecessors, (2955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:45,251 INFO L185 Difference]: Start difference. First operand has 669 places, 901 transitions, 24015 flow. Second operand 14 states and 440 transitions. [2021-03-26 08:02:45,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 682 places, 910 transitions, 26343 flow [2021-03-26 08:02:46,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 668 places, 910 transitions, 26214 flow, removed 1 selfloop flow, removed 14 redundant places. [2021-03-26 08:02:46,446 INFO L241 Difference]: Finished difference. Result has 671 places, 900 transitions, 23988 flow [2021-03-26 08:02:46,446 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=23888, PETRI_DIFFERENCE_MINUEND_PLACES=655, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=901, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=848, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=23988, PETRI_PLACES=671, PETRI_TRANSITIONS=900} [2021-03-26 08:02:46,446 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 632 predicate places. [2021-03-26 08:02:46,446 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:02:46,446 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 671 places, 900 transitions, 23988 flow [2021-03-26 08:02:46,446 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 671 places, 900 transitions, 23988 flow [2021-03-26 08:02:46,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 668 places, 900 transitions, 23988 flow [2021-03-26 08:02:46,843 INFO L129 PetriNetUnfolder]: 740/1660 cut-off events. [2021-03-26 08:02:46,843 INFO L130 PetriNetUnfolder]: For 172789/172976 co-relation queries the response was YES. [2021-03-26 08:02:46,872 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27741 conditions, 1660 events. 740/1660 cut-off events. For 172789/172976 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 12350 event pairs, 31 based on Foata normal form. 40/1689 useless extension candidates. Maximal degree in co-relation 27468. Up to 510 conditions per place. [2021-03-26 08:02:46,896 INFO L142 LiptonReduction]: Number of co-enabled transitions 690 [2021-03-26 08:02:46,988 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:02:46,989 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:02:46,989 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 543 [2021-03-26 08:02:46,989 INFO L480 AbstractCegarLoop]: Abstraction has has 668 places, 900 transitions, 23988 flow [2021-03-26 08:02:46,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:46,989 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:02:46,989 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:02:46,989 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable322 [2021-03-26 08:02:46,989 INFO L428 AbstractCegarLoop]: === Iteration 324 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:02:46,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:02:46,989 INFO L82 PathProgramCache]: Analyzing trace with hash -357995232, now seen corresponding path program 2 times [2021-03-26 08:02:46,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:02:46,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731531567] [2021-03-26 08:02:46,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:02:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:02:46,996 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:02:46,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:02:47,001 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:02:47,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:47,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:47,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:47,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:47,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:02:47,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:47,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:47,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:47,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:47,062 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:02:47,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:02:47,098 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:02:47,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:02:47,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:47,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:47,154 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:02:47,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:02:47,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:02:47,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731531567] [2021-03-26 08:02:47,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:02:47,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:02:47,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426465162] [2021-03-26 08:02:47,159 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:02:47,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:02:47,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:02:47,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:02:47,160 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 197 [2021-03-26 08:02:47,160 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 668 places, 900 transitions, 23988 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:47,160 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:02:47,160 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 197 [2021-03-26 08:02:47,160 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:02:48,751 INFO L129 PetriNetUnfolder]: 924/1908 cut-off events. [2021-03-26 08:02:48,751 INFO L130 PetriNetUnfolder]: For 212068/212091 co-relation queries the response was YES. [2021-03-26 08:02:48,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33389 conditions, 1908 events. 924/1908 cut-off events. For 212068/212091 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 13382 event pairs, 132 based on Foata normal form. 12/1917 useless extension candidates. Maximal degree in co-relation 33109. Up to 1678 conditions per place. [2021-03-26 08:02:48,796 INFO L132 encePairwiseOnDemand]: 174/197 looper letters, 777 selfloop transitions, 124 changer transitions 1/910 dead transitions. [2021-03-26 08:02:48,796 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 683 places, 910 transitions, 26120 flow [2021-03-26 08:02:48,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 08:02:48,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 08:02:48,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 509 transitions. [2021-03-26 08:02:48,798 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16148477157360405 [2021-03-26 08:02:48,798 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 509 transitions. [2021-03-26 08:02:48,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 509 transitions. [2021-03-26 08:02:48,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:02:48,798 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 509 transitions. [2021-03-26 08:02:48,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.8125) internal successors, (509), 16 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:48,799 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 197.0) internal successors, (3349), 17 states have internal predecessors, (3349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:48,799 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 197.0) internal successors, (3349), 17 states have internal predecessors, (3349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:48,799 INFO L185 Difference]: Start difference. First operand has 668 places, 900 transitions, 23988 flow. Second operand 16 states and 509 transitions. [2021-03-26 08:02:48,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 683 places, 910 transitions, 26120 flow [2021-03-26 08:02:50,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 670 places, 910 transitions, 26002 flow, removed 6 selfloop flow, removed 13 redundant places. [2021-03-26 08:02:50,102 INFO L241 Difference]: Finished difference. Result has 672 places, 902 transitions, 24211 flow [2021-03-26 08:02:50,103 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=23876, PETRI_DIFFERENCE_MINUEND_PLACES=655, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=900, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=122, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=777, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=24211, PETRI_PLACES=672, PETRI_TRANSITIONS=902} [2021-03-26 08:02:50,103 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 633 predicate places. [2021-03-26 08:02:50,103 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:02:50,103 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 672 places, 902 transitions, 24211 flow [2021-03-26 08:02:50,103 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 672 places, 902 transitions, 24211 flow [2021-03-26 08:02:50,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 672 places, 902 transitions, 24211 flow [2021-03-26 08:02:50,598 INFO L129 PetriNetUnfolder]: 737/1655 cut-off events. [2021-03-26 08:02:50,598 INFO L130 PetriNetUnfolder]: For 171412/171638 co-relation queries the response was YES. [2021-03-26 08:02:50,630 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27695 conditions, 1655 events. 737/1655 cut-off events. For 171412/171638 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 12359 event pairs, 27 based on Foata normal form. 28/1673 useless extension candidates. Maximal degree in co-relation 27327. Up to 515 conditions per place. [2021-03-26 08:02:50,658 INFO L142 LiptonReduction]: Number of co-enabled transitions 690 [2021-03-26 08:02:50,742 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:02:50,742 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:02:50,742 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 639 [2021-03-26 08:02:50,742 INFO L480 AbstractCegarLoop]: Abstraction has has 672 places, 902 transitions, 24211 flow [2021-03-26 08:02:50,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:50,742 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:02:50,742 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:02:50,742 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable323 [2021-03-26 08:02:50,742 INFO L428 AbstractCegarLoop]: === Iteration 325 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:02:50,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:02:50,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1727594450, now seen corresponding path program 3 times [2021-03-26 08:02:50,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:02:50,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331215881] [2021-03-26 08:02:50,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:02:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:02:50,749 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:02:50,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:02:50,754 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:02:50,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:50,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:50,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:50,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:50,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:02:50,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:50,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:50,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:50,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:50,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:50,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:50,823 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:02:50,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:02:50,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:50,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:50,871 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:02:50,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:02:50,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:02:50,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331215881] [2021-03-26 08:02:50,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:02:50,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:02:50,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861758596] [2021-03-26 08:02:50,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:02:50,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:02:50,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:02:50,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:02:50,874 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 197 [2021-03-26 08:02:50,874 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 672 places, 902 transitions, 24211 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:50,874 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:02:50,874 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 197 [2021-03-26 08:02:50,874 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:02:52,164 INFO L129 PetriNetUnfolder]: 923/1909 cut-off events. [2021-03-26 08:02:52,164 INFO L130 PetriNetUnfolder]: For 205130/205134 co-relation queries the response was YES. [2021-03-26 08:02:52,194 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33319 conditions, 1909 events. 923/1909 cut-off events. For 205130/205134 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 13322 event pairs, 142 based on Foata normal form. 5/1911 useless extension candidates. Maximal degree in co-relation 33016. Up to 1648 conditions per place. [2021-03-26 08:02:52,203 INFO L132 encePairwiseOnDemand]: 171/197 looper letters, 729 selfloop transitions, 169 changer transitions 1/907 dead transitions. [2021-03-26 08:02:52,203 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 687 places, 907 transitions, 26206 flow [2021-03-26 08:02:52,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 08:02:52,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 08:02:52,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 515 transitions. [2021-03-26 08:02:52,205 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16338832487309646 [2021-03-26 08:02:52,205 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 515 transitions. [2021-03-26 08:02:52,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 515 transitions. [2021-03-26 08:02:52,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:02:52,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 515 transitions. [2021-03-26 08:02:52,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.1875) internal successors, (515), 16 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:52,207 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 197.0) internal successors, (3349), 17 states have internal predecessors, (3349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:52,207 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 197.0) internal successors, (3349), 17 states have internal predecessors, (3349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:52,207 INFO L185 Difference]: Start difference. First operand has 672 places, 902 transitions, 24211 flow. Second operand 16 states and 515 transitions. [2021-03-26 08:02:52,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 687 places, 907 transitions, 26206 flow [2021-03-26 08:02:53,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 673 places, 907 transitions, 25964 flow, removed 1 selfloop flow, removed 14 redundant places. [2021-03-26 08:02:53,286 INFO L241 Difference]: Finished difference. Result has 674 places, 901 transitions, 24324 flow [2021-03-26 08:02:53,286 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=23969, PETRI_DIFFERENCE_MINUEND_PLACES=658, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=902, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=169, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=733, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=24324, PETRI_PLACES=674, PETRI_TRANSITIONS=901} [2021-03-26 08:02:53,286 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 635 predicate places. [2021-03-26 08:02:53,286 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:02:53,286 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 674 places, 901 transitions, 24324 flow [2021-03-26 08:02:53,286 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 674 places, 901 transitions, 24324 flow [2021-03-26 08:02:53,294 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 674 places, 901 transitions, 24324 flow [2021-03-26 08:02:53,652 INFO L129 PetriNetUnfolder]: 742/1659 cut-off events. [2021-03-26 08:02:53,653 INFO L130 PetriNetUnfolder]: For 174377/174640 co-relation queries the response was YES. [2021-03-26 08:02:53,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27996 conditions, 1659 events. 742/1659 cut-off events. For 174377/174640 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 12280 event pairs, 20 based on Foata normal form. 26/1670 useless extension candidates. Maximal degree in co-relation 27628. Up to 522 conditions per place. [2021-03-26 08:02:53,699 INFO L142 LiptonReduction]: Number of co-enabled transitions 690 [2021-03-26 08:02:53,934 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:02:53,934 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 08:02:53,934 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 648 [2021-03-26 08:02:53,934 INFO L480 AbstractCegarLoop]: Abstraction has has 674 places, 901 transitions, 24328 flow [2021-03-26 08:02:53,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:53,934 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:02:53,934 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:02:53,934 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable324 [2021-03-26 08:02:53,935 INFO L428 AbstractCegarLoop]: === Iteration 326 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:02:53,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:02:53,935 INFO L82 PathProgramCache]: Analyzing trace with hash -2082184054, now seen corresponding path program 2 times [2021-03-26 08:02:53,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:02:53,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961137953] [2021-03-26 08:02:53,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:02:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:02:53,940 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:02:53,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:02:53,945 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:02:53,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:53,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:53,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:53,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:53,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:53,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:53,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:02:53,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:53,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:02:53,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:53,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:02:54,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:54,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:02:54,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:54,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:02:54,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:54,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:02:54,057 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:02:54,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:02:54,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:02:54,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961137953] [2021-03-26 08:02:54,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:02:54,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:02:54,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833213515] [2021-03-26 08:02:54,060 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:02:54,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:02:54,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:02:54,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:02:54,060 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 198 [2021-03-26 08:02:54,060 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 674 places, 901 transitions, 24328 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:54,060 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:02:54,061 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 198 [2021-03-26 08:02:54,061 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:02:55,583 INFO L129 PetriNetUnfolder]: 924/1922 cut-off events. [2021-03-26 08:02:55,583 INFO L130 PetriNetUnfolder]: For 209918/209941 co-relation queries the response was YES. [2021-03-26 08:02:55,616 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33721 conditions, 1922 events. 924/1922 cut-off events. For 209918/209941 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 13544 event pairs, 133 based on Foata normal form. 12/1931 useless extension candidates. Maximal degree in co-relation 33418. Up to 1690 conditions per place. [2021-03-26 08:02:55,627 INFO L132 encePairwiseOnDemand]: 177/198 looper letters, 805 selfloop transitions, 101 changer transitions 7/921 dead transitions. [2021-03-26 08:02:55,627 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 691 places, 921 transitions, 26993 flow [2021-03-26 08:02:55,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 08:02:55,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 08:02:55,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 558 transitions. [2021-03-26 08:02:55,629 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15656565656565657 [2021-03-26 08:02:55,629 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 558 transitions. [2021-03-26 08:02:55,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 558 transitions. [2021-03-26 08:02:55,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:02:55,629 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 558 transitions. [2021-03-26 08:02:55,630 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 31.0) internal successors, (558), 18 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:55,631 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 198.0) internal successors, (3762), 19 states have internal predecessors, (3762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:55,631 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 198.0) internal successors, (3762), 19 states have internal predecessors, (3762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:55,631 INFO L185 Difference]: Start difference. First operand has 674 places, 901 transitions, 24328 flow. Second operand 18 states and 558 transitions. [2021-03-26 08:02:55,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 691 places, 921 transitions, 26993 flow [2021-03-26 08:02:57,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 678 places, 921 transitions, 26670 flow, removed 4 selfloop flow, removed 13 redundant places. [2021-03-26 08:02:57,215 INFO L241 Difference]: Finished difference. Result has 685 places, 908 transitions, 24587 flow [2021-03-26 08:02:57,216 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=24011, PETRI_DIFFERENCE_MINUEND_PLACES=661, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=901, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=802, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=24587, PETRI_PLACES=685, PETRI_TRANSITIONS=908} [2021-03-26 08:02:57,216 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 646 predicate places. [2021-03-26 08:02:57,216 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:02:57,216 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 685 places, 908 transitions, 24587 flow [2021-03-26 08:02:57,216 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 685 places, 908 transitions, 24587 flow [2021-03-26 08:02:57,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 682 places, 908 transitions, 24587 flow [2021-03-26 08:02:57,748 INFO L129 PetriNetUnfolder]: 733/1662 cut-off events. [2021-03-26 08:02:57,748 INFO L130 PetriNetUnfolder]: For 180358/180619 co-relation queries the response was YES. [2021-03-26 08:02:57,779 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28194 conditions, 1662 events. 733/1662 cut-off events. For 180358/180619 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 12486 event pairs, 29 based on Foata normal form. 32/1680 useless extension candidates. Maximal degree in co-relation 27912. Up to 515 conditions per place. [2021-03-26 08:02:57,805 INFO L142 LiptonReduction]: Number of co-enabled transitions 688 [2021-03-26 08:02:58,058 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:02:58,058 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 08:02:58,058 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 842 [2021-03-26 08:02:58,059 INFO L480 AbstractCegarLoop]: Abstraction has has 682 places, 908 transitions, 24650 flow [2021-03-26 08:02:58,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:58,059 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:02:58,059 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:02:58,059 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable325 [2021-03-26 08:02:58,059 INFO L428 AbstractCegarLoop]: === Iteration 327 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:02:58,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:02:58,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1352621392, now seen corresponding path program 1 times [2021-03-26 08:02:58,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:02:58,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589113423] [2021-03-26 08:02:58,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:02:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:02:58,065 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:02:58,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:02:58,070 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:02:58,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:02:58,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:58,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:58,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:58,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:02:58,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:58,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:02:58,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:58,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:02:58,129 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-26 08:02:58,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:02:58,158 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 08:02:58,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 08:02:58,188 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 08:02:58,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 08:02:58,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:02:58,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:02:58,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:02:58,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589113423] [2021-03-26 08:02:58,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:02:58,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:02:58,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937172067] [2021-03-26 08:02:58,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:02:58,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:02:58,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:02:58,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:02:58,195 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 199 [2021-03-26 08:02:58,195 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 682 places, 908 transitions, 24650 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:58,195 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:02:58,195 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 199 [2021-03-26 08:02:58,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:02:59,825 INFO L129 PetriNetUnfolder]: 933/1942 cut-off events. [2021-03-26 08:02:59,825 INFO L130 PetriNetUnfolder]: For 227089/227112 co-relation queries the response was YES. [2021-03-26 08:02:59,857 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34472 conditions, 1942 events. 933/1942 cut-off events. For 227089/227112 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 13775 event pairs, 127 based on Foata normal form. 12/1951 useless extension candidates. Maximal degree in co-relation 34182. Up to 1690 conditions per place. [2021-03-26 08:02:59,867 INFO L132 encePairwiseOnDemand]: 175/199 looper letters, 780 selfloop transitions, 137 changer transitions 2/927 dead transitions. [2021-03-26 08:02:59,867 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 693 places, 927 transitions, 27293 flow [2021-03-26 08:02:59,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 08:02:59,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 08:02:59,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 403 transitions. [2021-03-26 08:02:59,868 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16876046901172528 [2021-03-26 08:02:59,869 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 403 transitions. [2021-03-26 08:02:59,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 403 transitions. [2021-03-26 08:02:59,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:02:59,869 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 403 transitions. [2021-03-26 08:02:59,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 33.583333333333336) internal successors, (403), 12 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:59,870 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 199.0) internal successors, (2587), 13 states have internal predecessors, (2587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:59,870 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 199.0) internal successors, (2587), 13 states have internal predecessors, (2587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:02:59,870 INFO L185 Difference]: Start difference. First operand has 682 places, 908 transitions, 24650 flow. Second operand 12 states and 403 transitions. [2021-03-26 08:02:59,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 693 places, 927 transitions, 27293 flow [2021-03-26 08:03:01,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 686 places, 927 transitions, 26881 flow, removed 179 selfloop flow, removed 7 redundant places. [2021-03-26 08:03:01,260 INFO L241 Difference]: Finished difference. Result has 689 places, 919 transitions, 25122 flow [2021-03-26 08:03:01,261 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=24250, PETRI_DIFFERENCE_MINUEND_PLACES=675, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=908, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=128, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=773, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=25122, PETRI_PLACES=689, PETRI_TRANSITIONS=919} [2021-03-26 08:03:01,261 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 650 predicate places. [2021-03-26 08:03:01,261 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:03:01,261 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 689 places, 919 transitions, 25122 flow [2021-03-26 08:03:01,261 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 689 places, 919 transitions, 25122 flow [2021-03-26 08:03:01,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 688 places, 919 transitions, 25122 flow [2021-03-26 08:03:01,666 INFO L129 PetriNetUnfolder]: 746/1683 cut-off events. [2021-03-26 08:03:01,666 INFO L130 PetriNetUnfolder]: For 188848/189053 co-relation queries the response was YES. [2021-03-26 08:03:01,694 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28770 conditions, 1683 events. 746/1683 cut-off events. For 188848/189053 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 12603 event pairs, 29 based on Foata normal form. 23/1698 useless extension candidates. Maximal degree in co-relation 28395. Up to 521 conditions per place. [2021-03-26 08:03:01,717 INFO L142 LiptonReduction]: Number of co-enabled transitions 694 [2021-03-26 08:03:01,806 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:03:01,806 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:03:01,806 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 545 [2021-03-26 08:03:01,806 INFO L480 AbstractCegarLoop]: Abstraction has has 688 places, 919 transitions, 25122 flow [2021-03-26 08:03:01,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:01,806 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:03:01,807 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:03:01,807 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable326 [2021-03-26 08:03:01,807 INFO L428 AbstractCegarLoop]: === Iteration 328 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:03:01,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:03:01,807 INFO L82 PathProgramCache]: Analyzing trace with hash -197652700, now seen corresponding path program 2 times [2021-03-26 08:03:01,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:03:01,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814609427] [2021-03-26 08:03:01,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:03:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:03:01,812 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:03:01,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:03:01,817 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:03:01,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:03:01,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:01,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:03:01,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:01,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:03:01,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:01,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:03:01,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:01,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:03:01,870 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-26 08:03:01,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:03:01,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:01,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:03:01,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:01,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:03:01,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:01,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:03:01,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:03:01,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814609427] [2021-03-26 08:03:01,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:03:01,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:03:01,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145244046] [2021-03-26 08:03:01,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:03:01,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:03:01,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:03:01,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:03:01,920 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 199 [2021-03-26 08:03:01,920 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 688 places, 919 transitions, 25122 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:01,920 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:03:01,920 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 199 [2021-03-26 08:03:01,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:03:03,685 INFO L129 PetriNetUnfolder]: 932/1941 cut-off events. [2021-03-26 08:03:03,685 INFO L130 PetriNetUnfolder]: For 230655/230685 co-relation queries the response was YES. [2021-03-26 08:03:03,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34747 conditions, 1941 events. 932/1941 cut-off events. For 230655/230685 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 13761 event pairs, 125 based on Foata normal form. 19/1957 useless extension candidates. Maximal degree in co-relation 34438. Up to 1652 conditions per place. [2021-03-26 08:03:03,738 INFO L132 encePairwiseOnDemand]: 172/199 looper letters, 739 selfloop transitions, 179 changer transitions 3/929 dead transitions. [2021-03-26 08:03:03,738 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 700 places, 929 transitions, 27524 flow [2021-03-26 08:03:03,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 08:03:03,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 08:03:03,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 433 transitions. [2021-03-26 08:03:03,740 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1673753382296096 [2021-03-26 08:03:03,740 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 433 transitions. [2021-03-26 08:03:03,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 433 transitions. [2021-03-26 08:03:03,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:03:03,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 433 transitions. [2021-03-26 08:03:03,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 33.30769230769231) internal successors, (433), 13 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:03,742 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 199.0) internal successors, (2786), 14 states have internal predecessors, (2786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:03,742 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 199.0) internal successors, (2786), 14 states have internal predecessors, (2786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:03,742 INFO L185 Difference]: Start difference. First operand has 688 places, 919 transitions, 25122 flow. Second operand 13 states and 433 transitions. [2021-03-26 08:03:03,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 700 places, 929 transitions, 27524 flow [2021-03-26 08:03:05,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 695 places, 929 transitions, 27303 flow, removed 80 selfloop flow, removed 5 redundant places. [2021-03-26 08:03:05,522 INFO L241 Difference]: Finished difference. Result has 698 places, 919 transitions, 25380 flow [2021-03-26 08:03:05,523 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=24901, PETRI_DIFFERENCE_MINUEND_PLACES=683, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=919, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=178, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=740, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=25380, PETRI_PLACES=698, PETRI_TRANSITIONS=919} [2021-03-26 08:03:05,523 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 659 predicate places. [2021-03-26 08:03:05,523 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:03:05,523 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 698 places, 919 transitions, 25380 flow [2021-03-26 08:03:05,523 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 698 places, 919 transitions, 25380 flow [2021-03-26 08:03:05,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 696 places, 919 transitions, 25380 flow [2021-03-26 08:03:06,234 INFO L129 PetriNetUnfolder]: 744/1683 cut-off events. [2021-03-26 08:03:06,234 INFO L130 PetriNetUnfolder]: For 193798/194074 co-relation queries the response was YES. [2021-03-26 08:03:06,259 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29117 conditions, 1683 events. 744/1683 cut-off events. For 193798/194074 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 12541 event pairs, 27 based on Foata normal form. 38/1710 useless extension candidates. Maximal degree in co-relation 28831. Up to 518 conditions per place. [2021-03-26 08:03:06,285 INFO L142 LiptonReduction]: Number of co-enabled transitions 694 [2021-03-26 08:03:06,371 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:03:06,371 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:03:06,371 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 848 [2021-03-26 08:03:06,371 INFO L480 AbstractCegarLoop]: Abstraction has has 696 places, 919 transitions, 25380 flow [2021-03-26 08:03:06,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:06,371 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:03:06,371 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:03:06,371 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable327 [2021-03-26 08:03:06,371 INFO L428 AbstractCegarLoop]: === Iteration 329 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:03:06,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:03:06,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1222812906, now seen corresponding path program 3 times [2021-03-26 08:03:06,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:03:06,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098921707] [2021-03-26 08:03:06,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:03:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:03:06,379 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:03:06,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:03:06,386 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:03:06,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:03:06,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:06,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:03:06,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:06,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:03:06,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:06,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:03:06,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:06,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:03:06,463 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-26 08:03:06,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:03:06,495 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 08:03:06,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 08:03:06,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:06,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:03:06,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:06,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:03:06,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:03:06,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098921707] [2021-03-26 08:03:06,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:03:06,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:03:06,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140631407] [2021-03-26 08:03:06,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:03:06,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:03:06,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:03:06,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:03:06,552 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 199 [2021-03-26 08:03:06,552 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 696 places, 919 transitions, 25380 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:06,552 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:03:06,552 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 199 [2021-03-26 08:03:06,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:03:08,644 INFO L129 PetriNetUnfolder]: 931/1938 cut-off events. [2021-03-26 08:03:08,645 INFO L130 PetriNetUnfolder]: For 235088/235111 co-relation queries the response was YES. [2021-03-26 08:03:08,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34974 conditions, 1938 events. 931/1938 cut-off events. For 235088/235111 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 13732 event pairs, 133 based on Foata normal form. 12/1947 useless extension candidates. Maximal degree in co-relation 34680. Up to 1688 conditions per place. [2021-03-26 08:03:08,694 INFO L132 encePairwiseOnDemand]: 175/199 looper letters, 780 selfloop transitions, 132 changer transitions 5/925 dead transitions. [2021-03-26 08:03:08,695 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 708 places, 925 transitions, 27444 flow [2021-03-26 08:03:08,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 08:03:08,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 08:03:08,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 427 transitions. [2021-03-26 08:03:08,696 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16505604947816002 [2021-03-26 08:03:08,696 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 427 transitions. [2021-03-26 08:03:08,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 427 transitions. [2021-03-26 08:03:08,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:03:08,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 427 transitions. [2021-03-26 08:03:08,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.84615384615385) internal successors, (427), 13 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:08,697 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 199.0) internal successors, (2786), 14 states have internal predecessors, (2786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:08,697 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 199.0) internal successors, (2786), 14 states have internal predecessors, (2786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:08,697 INFO L185 Difference]: Start difference. First operand has 696 places, 919 transitions, 25380 flow. Second operand 13 states and 427 transitions. [2021-03-26 08:03:08,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 708 places, 925 transitions, 27444 flow [2021-03-26 08:03:10,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 697 places, 925 transitions, 27041 flow, removed 38 selfloop flow, removed 11 redundant places. [2021-03-26 08:03:10,278 INFO L241 Difference]: Finished difference. Result has 698 places, 914 transitions, 25153 flow [2021-03-26 08:03:10,279 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=24977, PETRI_DIFFERENCE_MINUEND_PLACES=685, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=919, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=132, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=787, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=25153, PETRI_PLACES=698, PETRI_TRANSITIONS=914} [2021-03-26 08:03:10,279 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 659 predicate places. [2021-03-26 08:03:10,279 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:03:10,279 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 698 places, 914 transitions, 25153 flow [2021-03-26 08:03:10,279 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 698 places, 914 transitions, 25153 flow [2021-03-26 08:03:10,287 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 693 places, 914 transitions, 25153 flow [2021-03-26 08:03:10,725 INFO L129 PetriNetUnfolder]: 743/1670 cut-off events. [2021-03-26 08:03:10,725 INFO L130 PetriNetUnfolder]: For 188667/188904 co-relation queries the response was YES. [2021-03-26 08:03:10,757 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28948 conditions, 1670 events. 743/1670 cut-off events. For 188667/188904 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 12485 event pairs, 30 based on Foata normal form. 35/1695 useless extension candidates. Maximal degree in co-relation 28663. Up to 514 conditions per place. [2021-03-26 08:03:10,786 INFO L142 LiptonReduction]: Number of co-enabled transitions 694 [2021-03-26 08:03:10,882 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:03:10,882 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:03:10,882 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 603 [2021-03-26 08:03:10,882 INFO L480 AbstractCegarLoop]: Abstraction has has 693 places, 914 transitions, 25153 flow [2021-03-26 08:03:10,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:10,883 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:03:10,883 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:03:10,883 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable328 [2021-03-26 08:03:10,883 INFO L428 AbstractCegarLoop]: === Iteration 330 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:03:10,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:03:10,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1571168762, now seen corresponding path program 1 times [2021-03-26 08:03:10,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:03:10,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651220633] [2021-03-26 08:03:10,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:03:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:03:10,889 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:03:10,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:03:10,894 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:03:10,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:03:10,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:10,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:03:10,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:10,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:03:10,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:10,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:03:10,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:10,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:03:10,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:10,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:03:10,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:10,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:03:10,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:10,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:03:10,982 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:03:10,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:03:10,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:03:10,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651220633] [2021-03-26 08:03:10,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:03:10,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:03:10,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108659149] [2021-03-26 08:03:10,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:03:10,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:03:10,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:03:10,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:03:10,986 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 199 [2021-03-26 08:03:10,986 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 693 places, 914 transitions, 25153 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:10,986 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:03:10,986 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 199 [2021-03-26 08:03:10,986 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:03:12,494 INFO L129 PetriNetUnfolder]: 930/1935 cut-off events. [2021-03-26 08:03:12,494 INFO L130 PetriNetUnfolder]: For 232591/232614 co-relation queries the response was YES. [2021-03-26 08:03:12,524 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34811 conditions, 1935 events. 930/1935 cut-off events. For 232591/232614 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 13681 event pairs, 131 based on Foata normal form. 13/1945 useless extension candidates. Maximal degree in co-relation 34523. Up to 1703 conditions per place. [2021-03-26 08:03:12,534 INFO L132 encePairwiseOnDemand]: 179/199 looper letters, 811 selfloop transitions, 96 changer transitions 6/921 dead transitions. [2021-03-26 08:03:12,534 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 707 places, 921 transitions, 27137 flow [2021-03-26 08:03:12,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 08:03:12,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 08:03:12,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 472 transitions. [2021-03-26 08:03:12,536 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15812395309882746 [2021-03-26 08:03:12,536 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 472 transitions. [2021-03-26 08:03:12,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 472 transitions. [2021-03-26 08:03:12,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:03:12,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 472 transitions. [2021-03-26 08:03:12,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.466666666666665) internal successors, (472), 15 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:12,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 199.0) internal successors, (3184), 16 states have internal predecessors, (3184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:12,538 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 199.0) internal successors, (3184), 16 states have internal predecessors, (3184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:12,538 INFO L185 Difference]: Start difference. First operand has 693 places, 914 transitions, 25153 flow. Second operand 15 states and 472 transitions. [2021-03-26 08:03:12,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 707 places, 921 transitions, 27137 flow [2021-03-26 08:03:13,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 695 places, 921 transitions, 26746 flow, removed 4 selfloop flow, removed 12 redundant places. [2021-03-26 08:03:13,734 INFO L241 Difference]: Finished difference. Result has 697 places, 910 transitions, 24930 flow [2021-03-26 08:03:13,735 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=24766, PETRI_DIFFERENCE_MINUEND_PLACES=681, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=914, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=818, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=24930, PETRI_PLACES=697, PETRI_TRANSITIONS=910} [2021-03-26 08:03:13,735 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 658 predicate places. [2021-03-26 08:03:13,735 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:03:13,735 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 697 places, 910 transitions, 24930 flow [2021-03-26 08:03:13,735 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 697 places, 910 transitions, 24930 flow [2021-03-26 08:03:13,743 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 690 places, 910 transitions, 24930 flow [2021-03-26 08:03:14,164 INFO L129 PetriNetUnfolder]: 739/1668 cut-off events. [2021-03-26 08:03:14,164 INFO L130 PetriNetUnfolder]: For 182084/182347 co-relation queries the response was YES. [2021-03-26 08:03:14,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28481 conditions, 1668 events. 739/1668 cut-off events. For 182084/182347 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 12391 event pairs, 27 based on Foata normal form. 34/1692 useless extension candidates. Maximal degree in co-relation 28201. Up to 512 conditions per place. [2021-03-26 08:03:14,216 INFO L142 LiptonReduction]: Number of co-enabled transitions 688 [2021-03-26 08:03:14,304 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:03:14,304 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:03:14,305 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 570 [2021-03-26 08:03:14,305 INFO L480 AbstractCegarLoop]: Abstraction has has 690 places, 910 transitions, 24930 flow [2021-03-26 08:03:14,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:14,305 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:03:14,305 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:03:14,305 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable329 [2021-03-26 08:03:14,305 INFO L428 AbstractCegarLoop]: === Iteration 331 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:03:14,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:03:14,305 INFO L82 PathProgramCache]: Analyzing trace with hash -89312623, now seen corresponding path program 5 times [2021-03-26 08:03:14,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:03:14,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455276109] [2021-03-26 08:03:14,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:03:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:03:14,315 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:03:14,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:03:14,320 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:03:14,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:03:14,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:14,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:03:14,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:14,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:03:14,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:14,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:03:14,363 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 08:03:14,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:03:14,392 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:03:14,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:03:14,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:14,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:03:14,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:14,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:03:14,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:14,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:03:14,475 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:03:14,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:03:14,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:03:14,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455276109] [2021-03-26 08:03:14,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:03:14,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:03:14,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158519394] [2021-03-26 08:03:14,478 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:03:14,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:03:14,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:03:14,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:03:14,479 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 199 [2021-03-26 08:03:14,479 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 690 places, 910 transitions, 24930 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:14,479 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:03:14,479 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 199 [2021-03-26 08:03:14,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:03:16,011 INFO L129 PetriNetUnfolder]: 931/1943 cut-off events. [2021-03-26 08:03:16,012 INFO L130 PetriNetUnfolder]: For 224164/224182 co-relation queries the response was YES. [2021-03-26 08:03:16,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34577 conditions, 1943 events. 931/1943 cut-off events. For 224164/224182 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 13723 event pairs, 139 based on Foata normal form. 6/1945 useless extension candidates. Maximal degree in co-relation 34285. Up to 1723 conditions per place. [2021-03-26 08:03:16,074 INFO L132 encePairwiseOnDemand]: 182/199 looper letters, 852 selfloop transitions, 75 changer transitions 3/938 dead transitions. [2021-03-26 08:03:16,074 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 705 places, 938 transitions, 27781 flow [2021-03-26 08:03:16,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 08:03:16,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 08:03:16,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 503 transitions. [2021-03-26 08:03:16,076 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15797738693467336 [2021-03-26 08:03:16,076 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 503 transitions. [2021-03-26 08:03:16,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 503 transitions. [2021-03-26 08:03:16,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:03:16,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 503 transitions. [2021-03-26 08:03:16,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.4375) internal successors, (503), 16 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:16,078 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 199.0) internal successors, (3383), 17 states have internal predecessors, (3383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:16,079 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 199.0) internal successors, (3383), 17 states have internal predecessors, (3383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:16,079 INFO L185 Difference]: Start difference. First operand has 690 places, 910 transitions, 24930 flow. Second operand 16 states and 503 transitions. [2021-03-26 08:03:16,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 705 places, 938 transitions, 27781 flow [2021-03-26 08:03:17,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 695 places, 938 transitions, 27630 flow, removed 5 selfloop flow, removed 10 redundant places. [2021-03-26 08:03:17,937 INFO L241 Difference]: Finished difference. Result has 700 places, 928 transitions, 25686 flow [2021-03-26 08:03:17,937 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=24785, PETRI_DIFFERENCE_MINUEND_PLACES=680, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=910, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=847, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=25686, PETRI_PLACES=700, PETRI_TRANSITIONS=928} [2021-03-26 08:03:17,937 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 661 predicate places. [2021-03-26 08:03:17,937 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:03:17,937 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 700 places, 928 transitions, 25686 flow [2021-03-26 08:03:17,937 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 700 places, 928 transitions, 25686 flow [2021-03-26 08:03:17,946 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 699 places, 928 transitions, 25686 flow [2021-03-26 08:03:18,400 INFO L129 PetriNetUnfolder]: 750/1693 cut-off events. [2021-03-26 08:03:18,401 INFO L130 PetriNetUnfolder]: For 191465/191654 co-relation queries the response was YES. [2021-03-26 08:03:18,438 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29093 conditions, 1693 events. 750/1693 cut-off events. For 191465/191654 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 12650 event pairs, 38 based on Foata normal form. 35/1717 useless extension candidates. Maximal degree in co-relation 28806. Up to 527 conditions per place. [2021-03-26 08:03:18,465 INFO L142 LiptonReduction]: Number of co-enabled transitions 690 [2021-03-26 08:03:18,693 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 08:03:18,694 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 08:03:18,694 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 757 [2021-03-26 08:03:18,694 INFO L480 AbstractCegarLoop]: Abstraction has has 699 places, 928 transitions, 25731 flow [2021-03-26 08:03:18,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:18,694 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:03:18,694 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:03:18,694 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable330 [2021-03-26 08:03:18,694 INFO L428 AbstractCegarLoop]: === Iteration 332 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:03:18,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:03:18,694 INFO L82 PathProgramCache]: Analyzing trace with hash -734447465, now seen corresponding path program 1 times [2021-03-26 08:03:18,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:03:18,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124263154] [2021-03-26 08:03:18,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:03:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:03:18,700 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:03:18,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:03:18,705 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:03:18,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:03:18,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:18,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:03:18,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:18,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:03:18,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:18,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:03:18,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:18,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:03:18,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:18,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:03:18,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:18,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:03:18,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:18,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:03:18,797 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 08:03:18,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:03:18,800 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:03:18,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:03:18,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:03:18,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124263154] [2021-03-26 08:03:18,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:03:18,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:03:18,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103079180] [2021-03-26 08:03:18,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:03:18,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:03:18,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:03:18,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:03:18,804 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 200 [2021-03-26 08:03:18,804 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 699 places, 928 transitions, 25731 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:18,804 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:03:18,804 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 200 [2021-03-26 08:03:18,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:03:20,183 INFO L129 PetriNetUnfolder]: 930/1940 cut-off events. [2021-03-26 08:03:20,184 INFO L130 PetriNetUnfolder]: For 232331/232354 co-relation queries the response was YES. [2021-03-26 08:03:20,218 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34815 conditions, 1940 events. 930/1940 cut-off events. For 232331/232354 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 13764 event pairs, 140 based on Foata normal form. 12/1949 useless extension candidates. Maximal degree in co-relation 34520. Up to 1717 conditions per place. [2021-03-26 08:03:20,228 INFO L132 encePairwiseOnDemand]: 177/200 looper letters, 814 selfloop transitions, 111 changer transitions 2/935 dead transitions. [2021-03-26 08:03:20,228 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 712 places, 935 transitions, 27849 flow [2021-03-26 08:03:20,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 08:03:20,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 08:03:20,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 440 transitions. [2021-03-26 08:03:20,230 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15714285714285714 [2021-03-26 08:03:20,230 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 440 transitions. [2021-03-26 08:03:20,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 440 transitions. [2021-03-26 08:03:20,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:03:20,230 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 440 transitions. [2021-03-26 08:03:20,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.428571428571427) internal successors, (440), 14 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:20,231 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 200.0) internal successors, (3000), 15 states have internal predecessors, (3000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:20,231 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 200.0) internal successors, (3000), 15 states have internal predecessors, (3000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:20,231 INFO L185 Difference]: Start difference. First operand has 699 places, 928 transitions, 25731 flow. Second operand 14 states and 440 transitions. [2021-03-26 08:03:20,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 712 places, 935 transitions, 27849 flow [2021-03-26 08:03:21,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 704 places, 935 transitions, 27052 flow, removed 318 selfloop flow, removed 8 redundant places. [2021-03-26 08:03:21,605 INFO L241 Difference]: Finished difference. Result has 708 places, 932 transitions, 25326 flow [2021-03-26 08:03:21,605 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=24938, PETRI_DIFFERENCE_MINUEND_PLACES=691, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=928, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=107, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=819, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=25326, PETRI_PLACES=708, PETRI_TRANSITIONS=932} [2021-03-26 08:03:21,605 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 669 predicate places. [2021-03-26 08:03:21,605 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:03:21,606 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 708 places, 932 transitions, 25326 flow [2021-03-26 08:03:21,606 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 708 places, 932 transitions, 25326 flow [2021-03-26 08:03:21,614 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 707 places, 932 transitions, 25326 flow [2021-03-26 08:03:22,006 INFO L129 PetriNetUnfolder]: 751/1691 cut-off events. [2021-03-26 08:03:22,006 INFO L130 PetriNetUnfolder]: For 186041/186260 co-relation queries the response was YES. [2021-03-26 08:03:22,034 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28715 conditions, 1691 events. 751/1691 cut-off events. For 186041/186260 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 12697 event pairs, 33 based on Foata normal form. 23/1705 useless extension candidates. Maximal degree in co-relation 28331. Up to 509 conditions per place. [2021-03-26 08:03:22,057 INFO L142 LiptonReduction]: Number of co-enabled transitions 688 [2021-03-26 08:03:22,299 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:03:22,299 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 08:03:22,299 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 694 [2021-03-26 08:03:22,299 INFO L480 AbstractCegarLoop]: Abstraction has has 707 places, 932 transitions, 25335 flow [2021-03-26 08:03:22,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:22,299 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:03:22,299 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:03:22,300 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable331 [2021-03-26 08:03:22,300 INFO L428 AbstractCegarLoop]: === Iteration 333 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:03:22,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:03:22,300 INFO L82 PathProgramCache]: Analyzing trace with hash -490679986, now seen corresponding path program 1 times [2021-03-26 08:03:22,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:03:22,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943344511] [2021-03-26 08:03:22,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:03:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:03:22,306 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:03:22,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:03:22,310 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:03:22,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:03:22,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:22,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:03:22,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:22,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:03:22,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:22,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:03:22,351 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 08:03:22,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:03:22,356 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:03:22,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:03:22,387 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:03:22,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:03:22,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:22,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:03:22,433 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:03:22,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:03:22,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:03:22,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943344511] [2021-03-26 08:03:22,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:03:22,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:03:22,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259742038] [2021-03-26 08:03:22,436 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:03:22,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:03:22,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:03:22,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:03:22,437 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 201 [2021-03-26 08:03:22,437 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 707 places, 932 transitions, 25335 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:22,437 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:03:22,437 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 201 [2021-03-26 08:03:22,437 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:03:23,760 INFO L129 PetriNetUnfolder]: 929/1941 cut-off events. [2021-03-26 08:03:23,760 INFO L130 PetriNetUnfolder]: For 225281/225304 co-relation queries the response was YES. [2021-03-26 08:03:23,794 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34336 conditions, 1941 events. 929/1941 cut-off events. For 225281/225304 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 13824 event pairs, 114 based on Foata normal form. 15/1954 useless extension candidates. Maximal degree in co-relation 34019. Up to 1714 conditions per place. [2021-03-26 08:03:23,804 INFO L132 encePairwiseOnDemand]: 184/201 looper letters, 853 selfloop transitions, 80 changer transitions 2/943 dead transitions. [2021-03-26 08:03:23,804 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 718 places, 943 transitions, 27417 flow [2021-03-26 08:03:23,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 08:03:23,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 08:03:23,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 404 transitions. [2021-03-26 08:03:23,805 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16749585406301823 [2021-03-26 08:03:23,806 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 404 transitions. [2021-03-26 08:03:23,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 404 transitions. [2021-03-26 08:03:23,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:03:23,806 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 404 transitions. [2021-03-26 08:03:23,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 33.666666666666664) internal successors, (404), 12 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:23,807 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 201.0) internal successors, (2613), 13 states have internal predecessors, (2613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:23,807 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 201.0) internal successors, (2613), 13 states have internal predecessors, (2613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:23,807 INFO L185 Difference]: Start difference. First operand has 707 places, 932 transitions, 25335 flow. Second operand 12 states and 404 transitions. [2021-03-26 08:03:23,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 718 places, 943 transitions, 27417 flow [2021-03-26 08:03:25,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 709 places, 943 transitions, 27123 flow, removed 59 selfloop flow, removed 9 redundant places. [2021-03-26 08:03:25,183 INFO L241 Difference]: Finished difference. Result has 711 places, 932 transitions, 25242 flow [2021-03-26 08:03:25,183 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=25041, PETRI_DIFFERENCE_MINUEND_PLACES=698, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=932, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=852, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=25242, PETRI_PLACES=711, PETRI_TRANSITIONS=932} [2021-03-26 08:03:25,184 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 672 predicate places. [2021-03-26 08:03:25,184 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:03:25,184 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 711 places, 932 transitions, 25242 flow [2021-03-26 08:03:25,184 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 711 places, 932 transitions, 25242 flow [2021-03-26 08:03:25,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 711 places, 932 transitions, 25242 flow [2021-03-26 08:03:25,638 INFO L129 PetriNetUnfolder]: 750/1691 cut-off events. [2021-03-26 08:03:25,638 INFO L130 PetriNetUnfolder]: For 185412/185602 co-relation queries the response was YES. [2021-03-26 08:03:25,669 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28619 conditions, 1691 events. 750/1691 cut-off events. For 185412/185602 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 12692 event pairs, 33 based on Foata normal form. 24/1702 useless extension candidates. Maximal degree in co-relation 28234. Up to 508 conditions per place. [2021-03-26 08:03:25,696 INFO L142 LiptonReduction]: Number of co-enabled transitions 690 [2021-03-26 08:03:25,791 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:03:25,791 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:03:25,791 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 607 [2021-03-26 08:03:25,791 INFO L480 AbstractCegarLoop]: Abstraction has has 711 places, 932 transitions, 25242 flow [2021-03-26 08:03:25,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:25,791 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:03:25,791 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:03:25,791 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable332 [2021-03-26 08:03:25,791 INFO L428 AbstractCegarLoop]: === Iteration 334 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:03:25,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:03:25,792 INFO L82 PathProgramCache]: Analyzing trace with hash 2038371924, now seen corresponding path program 2 times [2021-03-26 08:03:25,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:03:25,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677531716] [2021-03-26 08:03:25,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:03:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:03:25,798 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:03:25,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:03:25,803 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:03:25,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:03:25,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:25,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:03:25,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:25,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:03:25,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:25,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:03:25,853 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 08:03:25,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:03:25,858 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:03:25,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:03:25,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:25,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:03:25,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:25,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:03:25,920 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:03:25,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:03:25,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:03:25,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677531716] [2021-03-26 08:03:25,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:03:25,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:03:25,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382027282] [2021-03-26 08:03:25,923 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:03:25,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:03:25,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:03:25,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:03:25,924 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 201 [2021-03-26 08:03:25,924 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 711 places, 932 transitions, 25242 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:25,924 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:03:25,924 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 201 [2021-03-26 08:03:25,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:03:27,448 INFO L129 PetriNetUnfolder]: 928/1938 cut-off events. [2021-03-26 08:03:27,448 INFO L130 PetriNetUnfolder]: For 222504/222527 co-relation queries the response was YES. [2021-03-26 08:03:27,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34294 conditions, 1938 events. 928/1938 cut-off events. For 222504/222527 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 13767 event pairs, 103 based on Foata normal form. 15/1951 useless extension candidates. Maximal degree in co-relation 33976. Up to 1720 conditions per place. [2021-03-26 08:03:27,491 INFO L132 encePairwiseOnDemand]: 184/201 looper letters, 854 selfloop transitions, 76 changer transitions 1/939 dead transitions. [2021-03-26 08:03:27,491 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 724 places, 939 transitions, 27232 flow [2021-03-26 08:03:27,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 08:03:27,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 08:03:27,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 452 transitions. [2021-03-26 08:03:27,493 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16062544420753375 [2021-03-26 08:03:27,493 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 452 transitions. [2021-03-26 08:03:27,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 452 transitions. [2021-03-26 08:03:27,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:03:27,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 452 transitions. [2021-03-26 08:03:27,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.285714285714285) internal successors, (452), 14 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:27,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 201.0) internal successors, (3015), 15 states have internal predecessors, (3015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:27,494 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 201.0) internal successors, (3015), 15 states have internal predecessors, (3015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:27,494 INFO L185 Difference]: Start difference. First operand has 711 places, 932 transitions, 25242 flow. Second operand 14 states and 452 transitions. [2021-03-26 08:03:27,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 724 places, 939 transitions, 27232 flow [2021-03-26 08:03:29,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 713 places, 939 transitions, 27051 flow, removed 1 selfloop flow, removed 11 redundant places. [2021-03-26 08:03:29,215 INFO L241 Difference]: Finished difference. Result has 714 places, 931 transitions, 25234 flow [2021-03-26 08:03:29,215 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=25061, PETRI_DIFFERENCE_MINUEND_PLACES=700, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=932, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=856, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=25234, PETRI_PLACES=714, PETRI_TRANSITIONS=931} [2021-03-26 08:03:29,215 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 675 predicate places. [2021-03-26 08:03:29,215 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:03:29,215 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 714 places, 931 transitions, 25234 flow [2021-03-26 08:03:29,216 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 714 places, 931 transitions, 25234 flow [2021-03-26 08:03:29,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 714 places, 931 transitions, 25234 flow [2021-03-26 08:03:29,804 INFO L129 PetriNetUnfolder]: 750/1693 cut-off events. [2021-03-26 08:03:29,804 INFO L130 PetriNetUnfolder]: For 184844/185094 co-relation queries the response was YES. [2021-03-26 08:03:29,840 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28701 conditions, 1693 events. 750/1693 cut-off events. For 184844/185094 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 12715 event pairs, 33 based on Foata normal form. 25/1705 useless extension candidates. Maximal degree in co-relation 28319. Up to 510 conditions per place. [2021-03-26 08:03:29,870 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 08:03:30,393 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:03:30,393 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 08:03:30,393 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1178 [2021-03-26 08:03:30,394 INFO L480 AbstractCegarLoop]: Abstraction has has 714 places, 931 transitions, 25256 flow [2021-03-26 08:03:30,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:30,394 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:03:30,394 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:03:30,394 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable333 [2021-03-26 08:03:30,394 INFO L428 AbstractCegarLoop]: === Iteration 335 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:03:30,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:03:30,394 INFO L82 PathProgramCache]: Analyzing trace with hash -719828772, now seen corresponding path program 1 times [2021-03-26 08:03:30,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:03:30,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681518274] [2021-03-26 08:03:30,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:03:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:03:30,401 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:03:30,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:03:30,405 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:03:30,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:03:30,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:30,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:03:30,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:30,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:03:30,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:30,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:03:30,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:30,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:03:30,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:30,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:03:30,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:30,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:03:30,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:30,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:03:30,491 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:03:30,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:03:30,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:03:30,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681518274] [2021-03-26 08:03:30,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:03:30,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:03:30,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508917359] [2021-03-26 08:03:30,494 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:03:30,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:03:30,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:03:30,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:03:30,495 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 203 [2021-03-26 08:03:30,495 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 714 places, 931 transitions, 25256 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:30,495 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:03:30,495 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 203 [2021-03-26 08:03:30,495 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:03:31,976 INFO L129 PetriNetUnfolder]: 927/1939 cut-off events. [2021-03-26 08:03:31,976 INFO L130 PetriNetUnfolder]: For 226305/226309 co-relation queries the response was YES. [2021-03-26 08:03:32,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34381 conditions, 1939 events. 927/1939 cut-off events. For 226305/226309 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 13788 event pairs, 143 based on Foata normal form. 5/1941 useless extension candidates. Maximal degree in co-relation 34063. Up to 1750 conditions per place. [2021-03-26 08:03:32,029 INFO L132 encePairwiseOnDemand]: 185/203 looper letters, 882 selfloop transitions, 41 changer transitions 3/934 dead transitions. [2021-03-26 08:03:32,029 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 725 places, 934 transitions, 27286 flow [2021-03-26 08:03:32,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 08:03:32,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 08:03:32,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 378 transitions. [2021-03-26 08:03:32,031 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15517241379310345 [2021-03-26 08:03:32,031 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 378 transitions. [2021-03-26 08:03:32,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 378 transitions. [2021-03-26 08:03:32,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:03:32,031 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 378 transitions. [2021-03-26 08:03:32,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 31.5) internal successors, (378), 12 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:32,032 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 203.0) internal successors, (2639), 13 states have internal predecessors, (2639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:32,033 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 203.0) internal successors, (2639), 13 states have internal predecessors, (2639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:32,033 INFO L185 Difference]: Start difference. First operand has 714 places, 931 transitions, 25256 flow. Second operand 12 states and 378 transitions. [2021-03-26 08:03:32,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 725 places, 934 transitions, 27286 flow [2021-03-26 08:03:33,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 712 places, 934 transitions, 27083 flow, removed 6 selfloop flow, removed 13 redundant places. [2021-03-26 08:03:33,749 INFO L241 Difference]: Finished difference. Result has 715 places, 930 transitions, 25131 flow [2021-03-26 08:03:33,750 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=25053, PETRI_DIFFERENCE_MINUEND_PLACES=701, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=931, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=890, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=25131, PETRI_PLACES=715, PETRI_TRANSITIONS=930} [2021-03-26 08:03:33,750 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 676 predicate places. [2021-03-26 08:03:33,750 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:03:33,750 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 715 places, 930 transitions, 25131 flow [2021-03-26 08:03:33,750 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 715 places, 930 transitions, 25131 flow [2021-03-26 08:03:33,760 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 712 places, 930 transitions, 25131 flow [2021-03-26 08:03:34,221 INFO L129 PetriNetUnfolder]: 752/1698 cut-off events. [2021-03-26 08:03:34,221 INFO L130 PetriNetUnfolder]: For 190072/190284 co-relation queries the response was YES. [2021-03-26 08:03:34,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28824 conditions, 1698 events. 752/1698 cut-off events. For 190072/190284 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 12764 event pairs, 34 based on Foata normal form. 19/1708 useless extension candidates. Maximal degree in co-relation 28532. Up to 507 conditions per place. [2021-03-26 08:03:34,271 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 08:03:34,354 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:03:34,354 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:03:34,354 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 604 [2021-03-26 08:03:34,354 INFO L480 AbstractCegarLoop]: Abstraction has has 712 places, 930 transitions, 25131 flow [2021-03-26 08:03:34,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:34,354 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:03:34,355 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:03:34,355 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable334 [2021-03-26 08:03:34,355 INFO L428 AbstractCegarLoop]: === Iteration 336 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:03:34,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:03:34,355 INFO L82 PathProgramCache]: Analyzing trace with hash 988171368, now seen corresponding path program 1 times [2021-03-26 08:03:34,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:03:34,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936691806] [2021-03-26 08:03:34,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:03:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:03:34,360 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:03:34,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:03:34,366 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:03:34,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:03:34,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:34,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:03:34,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:34,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:03:34,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:34,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:03:34,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:34,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:03:34,426 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 08:03:34,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:03:34,458 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-26 08:03:34,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 08:03:34,463 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:03:34,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:03:34,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:03:34,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936691806] [2021-03-26 08:03:34,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:03:34,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 08:03:34,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613908898] [2021-03-26 08:03:34,466 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 08:03:34,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:03:34,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 08:03:34,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 08:03:34,466 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 203 [2021-03-26 08:03:34,466 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 712 places, 930 transitions, 25131 flow. Second operand has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:34,466 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:03:34,466 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 203 [2021-03-26 08:03:34,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:03:35,668 INFO L129 PetriNetUnfolder]: 927/1939 cut-off events. [2021-03-26 08:03:35,669 INFO L130 PetriNetUnfolder]: For 228501/228524 co-relation queries the response was YES. [2021-03-26 08:03:35,705 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34422 conditions, 1939 events. 927/1939 cut-off events. For 228501/228524 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 13827 event pairs, 135 based on Foata normal form. 12/1948 useless extension candidates. Maximal degree in co-relation 34122. Up to 1749 conditions per place. [2021-03-26 08:03:35,714 INFO L132 encePairwiseOnDemand]: 186/203 looper letters, 875 selfloop transitions, 51 changer transitions 2/936 dead transitions. [2021-03-26 08:03:35,714 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 723 places, 936 transitions, 27071 flow [2021-03-26 08:03:35,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 08:03:35,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 08:03:35,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 387 transitions. [2021-03-26 08:03:35,716 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15886699507389163 [2021-03-26 08:03:35,716 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 387 transitions. [2021-03-26 08:03:35,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 387 transitions. [2021-03-26 08:03:35,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:03:35,716 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 387 transitions. [2021-03-26 08:03:35,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 32.25) internal successors, (387), 12 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:35,717 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 203.0) internal successors, (2639), 13 states have internal predecessors, (2639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:35,717 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 203.0) internal successors, (2639), 13 states have internal predecessors, (2639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:35,717 INFO L185 Difference]: Start difference. First operand has 712 places, 930 transitions, 25131 flow. Second operand 12 states and 387 transitions. [2021-03-26 08:03:35,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 723 places, 936 transitions, 27071 flow [2021-03-26 08:03:37,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 712 places, 936 transitions, 26983 flow, removed 3 selfloop flow, removed 11 redundant places. [2021-03-26 08:03:37,058 INFO L241 Difference]: Finished difference. Result has 715 places, 931 transitions, 25202 flow [2021-03-26 08:03:37,058 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=25043, PETRI_DIFFERENCE_MINUEND_PLACES=701, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=930, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=879, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=25202, PETRI_PLACES=715, PETRI_TRANSITIONS=931} [2021-03-26 08:03:37,058 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 676 predicate places. [2021-03-26 08:03:37,058 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:03:37,058 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 715 places, 931 transitions, 25202 flow [2021-03-26 08:03:37,058 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 715 places, 931 transitions, 25202 flow [2021-03-26 08:03:37,066 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 714 places, 931 transitions, 25202 flow [2021-03-26 08:03:37,448 INFO L129 PetriNetUnfolder]: 747/1690 cut-off events. [2021-03-26 08:03:37,448 INFO L130 PetriNetUnfolder]: For 186608/186810 co-relation queries the response was YES. [2021-03-26 08:03:37,476 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28659 conditions, 1690 events. 747/1690 cut-off events. For 186608/186810 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 12711 event pairs, 34 based on Foata normal form. 24/1704 useless extension candidates. Maximal degree in co-relation 28373. Up to 507 conditions per place. [2021-03-26 08:03:37,498 INFO L142 LiptonReduction]: Number of co-enabled transitions 688 [2021-03-26 08:03:37,589 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:03:37,590 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:03:37,590 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 532 [2021-03-26 08:03:37,590 INFO L480 AbstractCegarLoop]: Abstraction has has 714 places, 931 transitions, 25202 flow [2021-03-26 08:03:37,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:37,590 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:03:37,590 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:03:37,590 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable335 [2021-03-26 08:03:37,590 INFO L428 AbstractCegarLoop]: === Iteration 337 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:03:37,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:03:37,590 INFO L82 PathProgramCache]: Analyzing trace with hash 2028380558, now seen corresponding path program 2 times [2021-03-26 08:03:37,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:03:37,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279275038] [2021-03-26 08:03:37,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:03:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:03:37,596 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:03:37,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:03:37,601 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:03:37,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:03:37,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:37,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:03:37,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:37,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:03:37,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:37,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:03:37,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:37,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:03:37,656 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 08:03:37,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:03:37,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:37,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:03:37,700 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:03:37,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:03:37,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:03:37,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279275038] [2021-03-26 08:03:37,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:03:37,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:03:37,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684018039] [2021-03-26 08:03:37,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:03:37,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:03:37,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:03:37,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:03:37,703 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 203 [2021-03-26 08:03:37,704 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 714 places, 931 transitions, 25202 flow. Second operand has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:37,704 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:03:37,704 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 203 [2021-03-26 08:03:37,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:03:38,890 INFO L129 PetriNetUnfolder]: 926/1936 cut-off events. [2021-03-26 08:03:38,891 INFO L130 PetriNetUnfolder]: For 226144/226162 co-relation queries the response was YES. [2021-03-26 08:03:38,922 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34253 conditions, 1936 events. 926/1936 cut-off events. For 226144/226162 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 13732 event pairs, 144 based on Foata normal form. 6/1938 useless extension candidates. Maximal degree in co-relation 33952. Up to 1748 conditions per place. [2021-03-26 08:03:38,932 INFO L132 encePairwiseOnDemand]: 186/203 looper letters, 875 selfloop transitions, 49 changer transitions 3/935 dead transitions. [2021-03-26 08:03:38,932 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 726 places, 935 transitions, 27080 flow [2021-03-26 08:03:38,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 08:03:38,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 08:03:38,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 412 transitions. [2021-03-26 08:03:38,934 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1561197423266389 [2021-03-26 08:03:38,934 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 412 transitions. [2021-03-26 08:03:38,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 412 transitions. [2021-03-26 08:03:38,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:03:38,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 412 transitions. [2021-03-26 08:03:38,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.692307692307693) internal successors, (412), 13 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:38,935 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 203.0) internal successors, (2842), 14 states have internal predecessors, (2842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:38,935 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 203.0) internal successors, (2842), 14 states have internal predecessors, (2842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:38,935 INFO L185 Difference]: Start difference. First operand has 714 places, 931 transitions, 25202 flow. Second operand 13 states and 412 transitions. [2021-03-26 08:03:38,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 726 places, 935 transitions, 27080 flow [2021-03-26 08:03:40,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 717 places, 935 transitions, 26961 flow, removed 2 selfloop flow, removed 9 redundant places. [2021-03-26 08:03:40,322 INFO L241 Difference]: Finished difference. Result has 719 places, 929 transitions, 25133 flow [2021-03-26 08:03:40,322 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=25083, PETRI_DIFFERENCE_MINUEND_PLACES=705, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=931, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=882, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=25133, PETRI_PLACES=719, PETRI_TRANSITIONS=929} [2021-03-26 08:03:40,322 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 680 predicate places. [2021-03-26 08:03:40,322 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:03:40,322 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 719 places, 929 transitions, 25133 flow [2021-03-26 08:03:40,322 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 719 places, 929 transitions, 25133 flow [2021-03-26 08:03:40,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 715 places, 929 transitions, 25133 flow [2021-03-26 08:03:40,703 INFO L129 PetriNetUnfolder]: 746/1685 cut-off events. [2021-03-26 08:03:40,703 INFO L130 PetriNetUnfolder]: For 185669/185904 co-relation queries the response was YES. [2021-03-26 08:03:40,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28602 conditions, 1685 events. 746/1685 cut-off events. For 185669/185904 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 12639 event pairs, 31 based on Foata normal form. 23/1701 useless extension candidates. Maximal degree in co-relation 28334. Up to 507 conditions per place. [2021-03-26 08:03:40,756 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 08:03:40,847 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:03:40,847 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:03:40,848 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 526 [2021-03-26 08:03:40,848 INFO L480 AbstractCegarLoop]: Abstraction has has 715 places, 929 transitions, 25133 flow [2021-03-26 08:03:40,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:40,848 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:03:40,848 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:03:40,848 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable336 [2021-03-26 08:03:40,848 INFO L428 AbstractCegarLoop]: === Iteration 338 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:03:40,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:03:40,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1731422555, now seen corresponding path program 6 times [2021-03-26 08:03:40,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:03:40,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268788124] [2021-03-26 08:03:40,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:03:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:03:40,854 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:03:40,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:03:40,858 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:03:40,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:03:40,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:40,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:03:40,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:40,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:03:40,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:40,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:03:40,900 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 08:03:40,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:03:40,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:40,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:03:40,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:40,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:03:40,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:40,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:03:40,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:40,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:03:40,945 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:03:40,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:03:40,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:03:40,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268788124] [2021-03-26 08:03:40,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:03:40,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:03:40,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207125143] [2021-03-26 08:03:40,948 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:03:40,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:03:40,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:03:40,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:03:40,948 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 203 [2021-03-26 08:03:40,949 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 715 places, 929 transitions, 25133 flow. Second operand has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:40,949 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:03:40,949 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 203 [2021-03-26 08:03:40,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:03:42,099 INFO L129 PetriNetUnfolder]: 927/1941 cut-off events. [2021-03-26 08:03:42,099 INFO L130 PetriNetUnfolder]: For 225486/225509 co-relation queries the response was YES. [2021-03-26 08:03:42,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34386 conditions, 1941 events. 927/1941 cut-off events. For 225486/225509 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 13839 event pairs, 140 based on Foata normal form. 12/1950 useless extension candidates. Maximal degree in co-relation 34116. Up to 1734 conditions per place. [2021-03-26 08:03:42,140 INFO L132 encePairwiseOnDemand]: 186/203 looper letters, 862 selfloop transitions, 67 changer transitions 3/940 dead transitions. [2021-03-26 08:03:42,140 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 726 places, 940 transitions, 27444 flow [2021-03-26 08:03:42,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 08:03:42,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 08:03:42,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 390 transitions. [2021-03-26 08:03:42,142 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16009852216748768 [2021-03-26 08:03:42,142 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 390 transitions. [2021-03-26 08:03:42,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 390 transitions. [2021-03-26 08:03:42,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:03:42,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 390 transitions. [2021-03-26 08:03:42,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 32.5) internal successors, (390), 12 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:42,143 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 203.0) internal successors, (2639), 13 states have internal predecessors, (2639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:42,143 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 203.0) internal successors, (2639), 13 states have internal predecessors, (2639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:42,143 INFO L185 Difference]: Start difference. First operand has 715 places, 929 transitions, 25133 flow. Second operand 12 states and 390 transitions. [2021-03-26 08:03:42,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 726 places, 940 transitions, 27444 flow [2021-03-26 08:03:43,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 714 places, 940 transitions, 27338 flow, removed 4 selfloop flow, removed 12 redundant places. [2021-03-26 08:03:43,556 INFO L241 Difference]: Finished difference. Result has 718 places, 933 transitions, 25396 flow [2021-03-26 08:03:43,557 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=25027, PETRI_DIFFERENCE_MINUEND_PLACES=703, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=929, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=864, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=25396, PETRI_PLACES=718, PETRI_TRANSITIONS=933} [2021-03-26 08:03:43,557 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 679 predicate places. [2021-03-26 08:03:43,557 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:03:43,557 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 718 places, 933 transitions, 25396 flow [2021-03-26 08:03:43,557 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 718 places, 933 transitions, 25396 flow [2021-03-26 08:03:43,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 716 places, 933 transitions, 25396 flow [2021-03-26 08:03:43,944 INFO L129 PetriNetUnfolder]: 746/1691 cut-off events. [2021-03-26 08:03:43,944 INFO L130 PetriNetUnfolder]: For 192970/193195 co-relation queries the response was YES. [2021-03-26 08:03:43,972 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28906 conditions, 1691 events. 746/1691 cut-off events. For 192970/193195 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 12664 event pairs, 31 based on Foata normal form. 27/1712 useless extension candidates. Maximal degree in co-relation 28613. Up to 507 conditions per place. [2021-03-26 08:03:43,994 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 08:03:44,088 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:03:44,088 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:03:44,088 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 531 [2021-03-26 08:03:44,089 INFO L480 AbstractCegarLoop]: Abstraction has has 716 places, 933 transitions, 25396 flow [2021-03-26 08:03:44,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:44,089 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:03:44,089 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:03:44,089 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable337 [2021-03-26 08:03:44,089 INFO L428 AbstractCegarLoop]: === Iteration 339 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:03:44,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:03:44,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1456191772, now seen corresponding path program 1 times [2021-03-26 08:03:44,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:03:44,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097501321] [2021-03-26 08:03:44,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:03:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:03:44,095 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:03:44,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:03:44,099 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:03:44,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:03:44,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:44,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:03:44,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:44,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:03:44,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:44,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:03:44,134 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 08:03:44,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 08:03:44,150 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 08:03:44,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 08:03:44,167 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 08:03:44,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:03:44,185 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 08:03:44,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:03:44,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:44,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:03:44,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:44,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:03:44,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:03:44,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097501321] [2021-03-26 08:03:44,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:03:44,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:03:44,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418931406] [2021-03-26 08:03:44,200 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:03:44,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:03:44,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:03:44,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:03:44,200 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 203 [2021-03-26 08:03:44,200 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 716 places, 933 transitions, 25396 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:44,201 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:03:44,201 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 203 [2021-03-26 08:03:44,201 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:03:45,548 INFO L129 PetriNetUnfolder]: 935/1964 cut-off events. [2021-03-26 08:03:45,549 INFO L130 PetriNetUnfolder]: For 235648/235671 co-relation queries the response was YES. [2021-03-26 08:03:45,582 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35006 conditions, 1964 events. 935/1964 cut-off events. For 235648/235671 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 14089 event pairs, 108 based on Foata normal form. 15/1977 useless extension candidates. Maximal degree in co-relation 34705. Up to 1659 conditions per place. [2021-03-26 08:03:45,592 INFO L132 encePairwiseOnDemand]: 178/203 looper letters, 794 selfloop transitions, 158 changer transitions 5/965 dead transitions. [2021-03-26 08:03:45,592 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 732 places, 965 transitions, 28358 flow [2021-03-26 08:03:45,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 08:03:45,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 08:03:45,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 553 transitions. [2021-03-26 08:03:45,594 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16024340770791076 [2021-03-26 08:03:45,594 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 553 transitions. [2021-03-26 08:03:45,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 553 transitions. [2021-03-26 08:03:45,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:03:45,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 553 transitions. [2021-03-26 08:03:45,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.529411764705884) internal successors, (553), 17 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:45,595 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 203.0) internal successors, (3654), 18 states have internal predecessors, (3654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:45,595 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 203.0) internal successors, (3654), 18 states have internal predecessors, (3654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:45,595 INFO L185 Difference]: Start difference. First operand has 716 places, 933 transitions, 25396 flow. Second operand 17 states and 553 transitions. [2021-03-26 08:03:45,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 732 places, 965 transitions, 28358 flow [2021-03-26 08:03:46,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 724 places, 965 transitions, 28096 flow, removed 85 selfloop flow, removed 8 redundant places. [2021-03-26 08:03:47,001 INFO L241 Difference]: Finished difference. Result has 731 places, 947 transitions, 26009 flow [2021-03-26 08:03:47,001 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=25144, PETRI_DIFFERENCE_MINUEND_PLACES=708, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=933, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=144, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=778, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=26009, PETRI_PLACES=731, PETRI_TRANSITIONS=947} [2021-03-26 08:03:47,001 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 692 predicate places. [2021-03-26 08:03:47,001 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:03:47,001 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 731 places, 947 transitions, 26009 flow [2021-03-26 08:03:47,002 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 731 places, 947 transitions, 26009 flow [2021-03-26 08:03:47,010 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 729 places, 947 transitions, 26009 flow [2021-03-26 08:03:47,531 INFO L129 PetriNetUnfolder]: 760/1728 cut-off events. [2021-03-26 08:03:47,531 INFO L130 PetriNetUnfolder]: For 200853/201187 co-relation queries the response was YES. [2021-03-26 08:03:47,556 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29656 conditions, 1728 events. 760/1728 cut-off events. For 200853/201187 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 13080 event pairs, 28 based on Foata normal form. 17/1729 useless extension candidates. Maximal degree in co-relation 29352. Up to 514 conditions per place. [2021-03-26 08:03:47,578 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 08:03:47,837 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:03:47,837 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 08:03:47,837 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 836 [2021-03-26 08:03:47,837 INFO L480 AbstractCegarLoop]: Abstraction has has 729 places, 947 transitions, 26026 flow [2021-03-26 08:03:47,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:47,837 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:03:47,837 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:03:47,837 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable338 [2021-03-26 08:03:47,838 INFO L428 AbstractCegarLoop]: === Iteration 340 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:03:47,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:03:47,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1726171003, now seen corresponding path program 7 times [2021-03-26 08:03:47,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:03:47,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371836603] [2021-03-26 08:03:47,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:03:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:03:47,859 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:03:47,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:03:47,864 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:03:47,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:03:47,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:47,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:03:47,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:47,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:03:47,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:47,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:03:47,905 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 08:03:47,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:03:47,910 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:03:47,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:03:47,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:47,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:03:47,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:47,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:03:47,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:47,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:03:47,981 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:03:47,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:03:47,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:03:47,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371836603] [2021-03-26 08:03:47,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:03:47,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:03:47,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490403035] [2021-03-26 08:03:47,984 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:03:47,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:03:47,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:03:47,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:03:47,984 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 204 [2021-03-26 08:03:47,984 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 729 places, 947 transitions, 26026 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:47,984 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:03:47,985 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 204 [2021-03-26 08:03:47,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:03:49,388 INFO L129 PetriNetUnfolder]: 937/1971 cut-off events. [2021-03-26 08:03:49,388 INFO L130 PetriNetUnfolder]: For 243772/243795 co-relation queries the response was YES. [2021-03-26 08:03:49,423 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35595 conditions, 1971 events. 937/1971 cut-off events. For 243772/243795 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 14151 event pairs, 131 based on Foata normal form. 12/1980 useless extension candidates. Maximal degree in co-relation 35270. Up to 1752 conditions per place. [2021-03-26 08:03:49,432 INFO L132 encePairwiseOnDemand]: 187/204 looper letters, 878 selfloop transitions, 75 changer transitions 3/964 dead transitions. [2021-03-26 08:03:49,432 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 743 places, 964 transitions, 28744 flow [2021-03-26 08:03:49,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 08:03:49,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 08:03:49,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 478 transitions. [2021-03-26 08:03:49,434 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15620915032679739 [2021-03-26 08:03:49,434 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 478 transitions. [2021-03-26 08:03:49,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 478 transitions. [2021-03-26 08:03:49,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:03:49,434 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 478 transitions. [2021-03-26 08:03:49,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.866666666666667) internal successors, (478), 15 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:49,435 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 204.0) internal successors, (3264), 16 states have internal predecessors, (3264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:49,435 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 204.0) internal successors, (3264), 16 states have internal predecessors, (3264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:49,436 INFO L185 Difference]: Start difference. First operand has 729 places, 947 transitions, 26026 flow. Second operand 15 states and 478 transitions. [2021-03-26 08:03:49,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 743 places, 964 transitions, 28744 flow [2021-03-26 08:03:50,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 731 places, 964 transitions, 28117 flow, removed 113 selfloop flow, removed 12 redundant places. [2021-03-26 08:03:50,917 INFO L241 Difference]: Finished difference. Result has 735 places, 955 transitions, 26001 flow [2021-03-26 08:03:50,918 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=204, PETRI_DIFFERENCE_MINUEND_FLOW=25399, PETRI_DIFFERENCE_MINUEND_PLACES=717, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=947, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=877, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=26001, PETRI_PLACES=735, PETRI_TRANSITIONS=955} [2021-03-26 08:03:50,918 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 696 predicate places. [2021-03-26 08:03:50,918 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:03:50,918 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 735 places, 955 transitions, 26001 flow [2021-03-26 08:03:50,918 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 735 places, 955 transitions, 26001 flow [2021-03-26 08:03:50,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 733 places, 955 transitions, 26001 flow [2021-03-26 08:03:51,316 INFO L129 PetriNetUnfolder]: 757/1719 cut-off events. [2021-03-26 08:03:51,316 INFO L130 PetriNetUnfolder]: For 205264/205481 co-relation queries the response was YES. [2021-03-26 08:03:51,345 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29489 conditions, 1719 events. 757/1719 cut-off events. For 205264/205481 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 13056 event pairs, 33 based on Foata normal form. 23/1735 useless extension candidates. Maximal degree in co-relation 29190. Up to 511 conditions per place. [2021-03-26 08:03:51,367 INFO L142 LiptonReduction]: Number of co-enabled transitions 688 [2021-03-26 08:03:51,650 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:03:51,650 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 08:03:51,650 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 732 [2021-03-26 08:03:51,650 INFO L480 AbstractCegarLoop]: Abstraction has has 733 places, 955 transitions, 26012 flow [2021-03-26 08:03:51,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:51,650 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:03:51,650 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:03:51,650 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable339 [2021-03-26 08:03:51,650 INFO L428 AbstractCegarLoop]: === Iteration 341 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:03:51,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:03:51,651 INFO L82 PathProgramCache]: Analyzing trace with hash 160202034, now seen corresponding path program 1 times [2021-03-26 08:03:51,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:03:51,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899861893] [2021-03-26 08:03:51,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:03:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:03:51,656 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:03:51,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:03:51,661 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:03:51,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:03:51,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:51,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:03:51,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:51,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:03:51,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:51,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:03:51,702 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 08:03:51,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 08:03:51,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:51,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:03:51,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:51,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:03:51,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:51,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:03:51,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:51,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:03:51,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:03:51,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899861893] [2021-03-26 08:03:51,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:03:51,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:03:51,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341631712] [2021-03-26 08:03:51,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:03:51,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:03:51,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:03:51,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:03:51,758 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 206 [2021-03-26 08:03:51,759 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 733 places, 955 transitions, 26012 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:51,759 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:03:51,759 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 206 [2021-03-26 08:03:51,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:03:53,164 INFO L129 PetriNetUnfolder]: 938/1972 cut-off events. [2021-03-26 08:03:53,164 INFO L130 PetriNetUnfolder]: For 250508/250531 co-relation queries the response was YES. [2021-03-26 08:03:53,197 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35511 conditions, 1972 events. 938/1972 cut-off events. For 250508/250531 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 14185 event pairs, 121 based on Foata normal form. 15/1985 useless extension candidates. Maximal degree in co-relation 35204. Up to 1669 conditions per place. [2021-03-26 08:03:53,207 INFO L132 encePairwiseOnDemand]: 180/206 looper letters, 807 selfloop transitions, 156 changer transitions 2/973 dead transitions. [2021-03-26 08:03:53,207 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 746 places, 973 transitions, 28741 flow [2021-03-26 08:03:53,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 08:03:53,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 08:03:53,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 470 transitions. [2021-03-26 08:03:53,209 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16296809986130376 [2021-03-26 08:03:53,209 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 470 transitions. [2021-03-26 08:03:53,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 470 transitions. [2021-03-26 08:03:53,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:03:53,209 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 470 transitions. [2021-03-26 08:03:53,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 33.57142857142857) internal successors, (470), 14 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:53,210 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 206.0) internal successors, (3090), 15 states have internal predecessors, (3090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:53,210 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 206.0) internal successors, (3090), 15 states have internal predecessors, (3090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:53,210 INFO L185 Difference]: Start difference. First operand has 733 places, 955 transitions, 26012 flow. Second operand 14 states and 470 transitions. [2021-03-26 08:03:53,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 746 places, 973 transitions, 28741 flow [2021-03-26 08:03:54,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 741 places, 973 transitions, 28378 flow, removed 172 selfloop flow, removed 5 redundant places. [2021-03-26 08:03:54,752 INFO L241 Difference]: Finished difference. Result has 744 places, 958 transitions, 26267 flow [2021-03-26 08:03:54,752 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=25659, PETRI_DIFFERENCE_MINUEND_PLACES=728, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=955, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=154, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=800, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=26267, PETRI_PLACES=744, PETRI_TRANSITIONS=958} [2021-03-26 08:03:54,752 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 705 predicate places. [2021-03-26 08:03:54,752 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:03:54,752 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 744 places, 958 transitions, 26267 flow [2021-03-26 08:03:54,752 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 744 places, 958 transitions, 26267 flow [2021-03-26 08:03:54,760 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 743 places, 958 transitions, 26267 flow [2021-03-26 08:03:55,155 INFO L129 PetriNetUnfolder]: 759/1726 cut-off events. [2021-03-26 08:03:55,155 INFO L130 PetriNetUnfolder]: For 203004/203218 co-relation queries the response was YES. [2021-03-26 08:03:55,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29751 conditions, 1726 events. 759/1726 cut-off events. For 203004/203218 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 12988 event pairs, 26 based on Foata normal form. 17/1735 useless extension candidates. Maximal degree in co-relation 29465. Up to 506 conditions per place. [2021-03-26 08:03:55,207 INFO L142 LiptonReduction]: Number of co-enabled transitions 688 [2021-03-26 08:03:55,306 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:03:55,306 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:03:55,306 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 554 [2021-03-26 08:03:55,306 INFO L480 AbstractCegarLoop]: Abstraction has has 743 places, 958 transitions, 26267 flow [2021-03-26 08:03:55,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:55,306 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:03:55,306 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:03:55,306 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable340 [2021-03-26 08:03:55,306 INFO L428 AbstractCegarLoop]: === Iteration 342 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:03:55,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:03:55,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1066388464, now seen corresponding path program 1 times [2021-03-26 08:03:55,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:03:55,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569193487] [2021-03-26 08:03:55,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:03:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:03:55,312 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:03:55,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:03:55,317 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:03:55,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:03:55,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:55,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:03:55,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:55,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:03:55,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:55,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:03:55,359 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 08:03:55,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 08:03:55,363 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-26 08:03:55,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:03:55,385 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 08:03:55,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 08:03:55,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:55,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:03:55,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:55,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:03:55,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:03:55,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569193487] [2021-03-26 08:03:55,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:03:55,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:03:55,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420947275] [2021-03-26 08:03:55,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:03:55,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:03:55,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:03:55,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:03:55,425 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 206 [2021-03-26 08:03:55,425 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 743 places, 958 transitions, 26267 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:55,425 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:03:55,425 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 206 [2021-03-26 08:03:55,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:03:56,835 INFO L129 PetriNetUnfolder]: 938/1974 cut-off events. [2021-03-26 08:03:56,835 INFO L130 PetriNetUnfolder]: For 245398/245402 co-relation queries the response was YES. [2021-03-26 08:03:56,863 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35634 conditions, 1974 events. 938/1974 cut-off events. For 245398/245402 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 14104 event pairs, 141 based on Foata normal form. 5/1976 useless extension candidates. Maximal degree in co-relation 35344. Up to 1752 conditions per place. [2021-03-26 08:03:56,872 INFO L132 encePairwiseOnDemand]: 185/206 looper letters, 859 selfloop transitions, 94 changer transitions 5/966 dead transitions. [2021-03-26 08:03:56,872 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 755 places, 966 transitions, 28365 flow [2021-03-26 08:03:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 08:03:56,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 08:03:56,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 425 transitions. [2021-03-26 08:03:56,874 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1587005227781927 [2021-03-26 08:03:56,874 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 425 transitions. [2021-03-26 08:03:56,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 425 transitions. [2021-03-26 08:03:56,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:03:56,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 425 transitions. [2021-03-26 08:03:56,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.69230769230769) internal successors, (425), 13 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:56,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 206.0) internal successors, (2884), 14 states have internal predecessors, (2884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:56,875 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 206.0) internal successors, (2884), 14 states have internal predecessors, (2884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:56,876 INFO L185 Difference]: Start difference. First operand has 743 places, 958 transitions, 26267 flow. Second operand 13 states and 425 transitions. [2021-03-26 08:03:56,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 755 places, 966 transitions, 28365 flow [2021-03-26 08:03:58,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 745 places, 966 transitions, 27902 flow, removed 86 selfloop flow, removed 10 redundant places. [2021-03-26 08:03:58,356 INFO L241 Difference]: Finished difference. Result has 750 places, 959 transitions, 26052 flow [2021-03-26 08:03:58,357 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=25804, PETRI_DIFFERENCE_MINUEND_PLACES=733, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=958, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=864, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=26052, PETRI_PLACES=750, PETRI_TRANSITIONS=959} [2021-03-26 08:03:58,357 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 711 predicate places. [2021-03-26 08:03:58,357 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:03:58,357 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 750 places, 959 transitions, 26052 flow [2021-03-26 08:03:58,357 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 750 places, 959 transitions, 26052 flow [2021-03-26 08:03:58,365 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 746 places, 959 transitions, 26052 flow [2021-03-26 08:03:58,771 INFO L129 PetriNetUnfolder]: 759/1729 cut-off events. [2021-03-26 08:03:58,771 INFO L130 PetriNetUnfolder]: For 206288/206505 co-relation queries the response was YES. [2021-03-26 08:03:58,802 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29846 conditions, 1729 events. 759/1729 cut-off events. For 206288/206505 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 13103 event pairs, 26 based on Foata normal form. 21/1742 useless extension candidates. Maximal degree in co-relation 29557. Up to 503 conditions per place. [2021-03-26 08:03:58,827 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 08:03:58,927 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:03:58,927 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:03:58,927 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 570 [2021-03-26 08:03:58,927 INFO L480 AbstractCegarLoop]: Abstraction has has 746 places, 959 transitions, 26052 flow [2021-03-26 08:03:58,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:58,927 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:03:58,927 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:03:58,927 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable341 [2021-03-26 08:03:58,928 INFO L428 AbstractCegarLoop]: === Iteration 343 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:03:58,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:03:58,928 INFO L82 PathProgramCache]: Analyzing trace with hash 867001630, now seen corresponding path program 2 times [2021-03-26 08:03:58,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:03:58,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817068004] [2021-03-26 08:03:58,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:03:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:03:58,933 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:03:58,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:03:58,938 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:03:58,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:03:58,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:58,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:03:58,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:58,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:03:58,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:58,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:03:58,981 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 08:03:58,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 08:03:58,985 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-26 08:03:58,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:03:59,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:59,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:03:59,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:59,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:03:59,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:03:59,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:03:59,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:03:59,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817068004] [2021-03-26 08:03:59,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:03:59,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:03:59,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996645454] [2021-03-26 08:03:59,031 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:03:59,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:03:59,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:03:59,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:03:59,032 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 206 [2021-03-26 08:03:59,032 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 746 places, 959 transitions, 26052 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:03:59,032 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:03:59,032 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 206 [2021-03-26 08:03:59,032 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:04:00,316 INFO L129 PetriNetUnfolder]: 936/1967 cut-off events. [2021-03-26 08:04:00,316 INFO L130 PetriNetUnfolder]: For 250372/250395 co-relation queries the response was YES. [2021-03-26 08:04:00,350 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35593 conditions, 1967 events. 936/1967 cut-off events. For 250372/250395 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 14107 event pairs, 132 based on Foata normal form. 12/1976 useless extension candidates. Maximal degree in co-relation 35297. Up to 1713 conditions per place. [2021-03-26 08:04:00,360 INFO L132 encePairwiseOnDemand]: 182/206 looper letters, 817 selfloop transitions, 135 changer transitions 4/964 dead transitions. [2021-03-26 08:04:00,360 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 757 places, 964 transitions, 28137 flow [2021-03-26 08:04:00,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 08:04:00,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 08:04:00,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 400 transitions. [2021-03-26 08:04:00,361 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16181229773462782 [2021-03-26 08:04:00,361 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 400 transitions. [2021-03-26 08:04:00,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 400 transitions. [2021-03-26 08:04:00,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:04:00,361 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 400 transitions. [2021-03-26 08:04:00,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 33.333333333333336) internal successors, (400), 12 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:00,363 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 206.0) internal successors, (2678), 13 states have internal predecessors, (2678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:00,363 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 206.0) internal successors, (2678), 13 states have internal predecessors, (2678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:00,363 INFO L185 Difference]: Start difference. First operand has 746 places, 959 transitions, 26052 flow. Second operand 12 states and 400 transitions. [2021-03-26 08:04:00,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 757 places, 964 transitions, 28137 flow [2021-03-26 08:04:02,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 745 places, 964 transitions, 27947 flow, removed 14 selfloop flow, removed 12 redundant places. [2021-03-26 08:04:02,058 INFO L241 Difference]: Finished difference. Result has 748 places, 957 transitions, 26119 flow [2021-03-26 08:04:02,058 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=25864, PETRI_DIFFERENCE_MINUEND_PLACES=734, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=959, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=824, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=26119, PETRI_PLACES=748, PETRI_TRANSITIONS=957} [2021-03-26 08:04:02,059 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 709 predicate places. [2021-03-26 08:04:02,059 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:04:02,059 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 748 places, 957 transitions, 26119 flow [2021-03-26 08:04:02,059 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 748 places, 957 transitions, 26119 flow [2021-03-26 08:04:02,067 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 746 places, 957 transitions, 26119 flow [2021-03-26 08:04:02,472 INFO L129 PetriNetUnfolder]: 757/1719 cut-off events. [2021-03-26 08:04:02,472 INFO L130 PetriNetUnfolder]: For 207258/207457 co-relation queries the response was YES. [2021-03-26 08:04:02,502 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29892 conditions, 1719 events. 757/1719 cut-off events. For 207258/207457 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 12991 event pairs, 29 based on Foata normal form. 35/1744 useless extension candidates. Maximal degree in co-relation 29604. Up to 498 conditions per place. [2021-03-26 08:04:02,525 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 08:04:02,625 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:04:02,625 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:04:02,625 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 566 [2021-03-26 08:04:02,625 INFO L480 AbstractCegarLoop]: Abstraction has has 746 places, 957 transitions, 26119 flow [2021-03-26 08:04:02,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:02,625 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:04:02,625 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:04:02,625 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable342 [2021-03-26 08:04:02,625 INFO L428 AbstractCegarLoop]: === Iteration 344 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:04:02,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:04:02,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1014319396, now seen corresponding path program 2 times [2021-03-26 08:04:02,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:04:02,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899386430] [2021-03-26 08:04:02,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:04:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:04:02,631 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:04:02,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:04:02,636 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:04:02,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:04:02,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:02,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:04:02,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:02,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:04:02,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:02,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:04:02,675 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 08:04:02,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 08:04:02,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:02,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:04:02,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:02,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:04:02,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:02,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:04:02,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:02,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:04:02,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:04:02,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899386430] [2021-03-26 08:04:02,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:04:02,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:04:02,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767977917] [2021-03-26 08:04:02,730 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:04:02,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:04:02,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:04:02,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:04:02,731 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 206 [2021-03-26 08:04:02,731 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 746 places, 957 transitions, 26119 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:02,731 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:04:02,731 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 206 [2021-03-26 08:04:02,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:04:04,121 INFO L129 PetriNetUnfolder]: 938/1975 cut-off events. [2021-03-26 08:04:04,122 INFO L130 PetriNetUnfolder]: For 257508/257512 co-relation queries the response was YES. [2021-03-26 08:04:04,156 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36072 conditions, 1975 events. 938/1975 cut-off events. For 257508/257512 co-relation queries the response was YES. Maximal size of possible extension queue 219. Compared 14139 event pairs, 139 based on Foata normal form. 5/1977 useless extension candidates. Maximal degree in co-relation 35782. Up to 1721 conditions per place. [2021-03-26 08:04:04,165 INFO L132 encePairwiseOnDemand]: 184/206 looper letters, 840 selfloop transitions, 124 changer transitions 4/976 dead transitions. [2021-03-26 08:04:04,166 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 761 places, 976 transitions, 29048 flow [2021-03-26 08:04:04,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 08:04:04,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 08:04:04,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 519 transitions. [2021-03-26 08:04:04,167 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1574635922330097 [2021-03-26 08:04:04,167 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 519 transitions. [2021-03-26 08:04:04,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 519 transitions. [2021-03-26 08:04:04,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:04:04,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 519 transitions. [2021-03-26 08:04:04,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.4375) internal successors, (519), 16 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:04,169 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 206.0) internal successors, (3502), 17 states have internal predecessors, (3502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:04,169 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 206.0) internal successors, (3502), 17 states have internal predecessors, (3502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:04,169 INFO L185 Difference]: Start difference. First operand has 746 places, 957 transitions, 26119 flow. Second operand 16 states and 519 transitions. [2021-03-26 08:04:04,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 761 places, 976 transitions, 29048 flow [2021-03-26 08:04:05,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 746 places, 976 transitions, 28644 flow, removed 21 selfloop flow, removed 15 redundant places. [2021-03-26 08:04:05,722 INFO L241 Difference]: Finished difference. Result has 750 places, 962 transitions, 26327 flow [2021-03-26 08:04:05,722 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=25731, PETRI_DIFFERENCE_MINUEND_PLACES=731, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=957, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=118, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=834, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=26327, PETRI_PLACES=750, PETRI_TRANSITIONS=962} [2021-03-26 08:04:05,722 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 711 predicate places. [2021-03-26 08:04:05,722 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:04:05,722 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 750 places, 962 transitions, 26327 flow [2021-03-26 08:04:05,722 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 750 places, 962 transitions, 26327 flow [2021-03-26 08:04:05,730 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 749 places, 962 transitions, 26327 flow [2021-03-26 08:04:06,129 INFO L129 PetriNetUnfolder]: 755/1720 cut-off events. [2021-03-26 08:04:06,129 INFO L130 PetriNetUnfolder]: For 218637/218931 co-relation queries the response was YES. [2021-03-26 08:04:06,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30021 conditions, 1720 events. 755/1720 cut-off events. For 218637/218931 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 13000 event pairs, 35 based on Foata normal form. 17/1715 useless extension candidates. Maximal degree in co-relation 29731. Up to 508 conditions per place. [2021-03-26 08:04:06,298 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 08:04:06,390 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:04:06,391 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:04:06,391 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 669 [2021-03-26 08:04:06,391 INFO L480 AbstractCegarLoop]: Abstraction has has 749 places, 962 transitions, 26327 flow [2021-03-26 08:04:06,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:06,391 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:04:06,391 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:04:06,391 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable343 [2021-03-26 08:04:06,391 INFO L428 AbstractCegarLoop]: === Iteration 345 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:04:06,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:04:06,391 INFO L82 PathProgramCache]: Analyzing trace with hash -384840689, now seen corresponding path program 1 times [2021-03-26 08:04:06,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:04:06,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338837766] [2021-03-26 08:04:06,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:04:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:04:06,397 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:04:06,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:04:06,402 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:04:06,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:04:06,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:06,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:04:06,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:06,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:04:06,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:06,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:04:06,445 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 08:04:06,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 08:04:06,450 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-26 08:04:06,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:04:06,473 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 08:04:06,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 08:04:06,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:06,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:04:06,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:06,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:04:06,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:04:06,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338837766] [2021-03-26 08:04:06,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:04:06,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:04:06,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726782620] [2021-03-26 08:04:06,509 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:04:06,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:04:06,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:04:06,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:04:06,510 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 206 [2021-03-26 08:04:06,510 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 749 places, 962 transitions, 26327 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:06,510 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:04:06,510 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 206 [2021-03-26 08:04:06,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:04:07,747 INFO L129 PetriNetUnfolder]: 937/1974 cut-off events. [2021-03-26 08:04:07,747 INFO L130 PetriNetUnfolder]: For 258791/258814 co-relation queries the response was YES. [2021-03-26 08:04:07,782 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35937 conditions, 1974 events. 937/1974 cut-off events. For 258791/258814 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 14225 event pairs, 136 based on Foata normal form. 12/1983 useless extension candidates. Maximal degree in co-relation 35643. Up to 1763 conditions per place. [2021-03-26 08:04:07,792 INFO L132 encePairwiseOnDemand]: 189/206 looper letters, 888 selfloop transitions, 68 changer transitions 5/969 dead transitions. [2021-03-26 08:04:07,792 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 761 places, 969 transitions, 28351 flow [2021-03-26 08:04:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 08:04:07,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 08:04:07,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 419 transitions. [2021-03-26 08:04:07,793 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15646004480955938 [2021-03-26 08:04:07,793 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 419 transitions. [2021-03-26 08:04:07,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 419 transitions. [2021-03-26 08:04:07,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:04:07,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 419 transitions. [2021-03-26 08:04:07,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.23076923076923) internal successors, (419), 13 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:07,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 206.0) internal successors, (2884), 14 states have internal predecessors, (2884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:07,795 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 206.0) internal successors, (2884), 14 states have internal predecessors, (2884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:07,795 INFO L185 Difference]: Start difference. First operand has 749 places, 962 transitions, 26327 flow. Second operand 13 states and 419 transitions. [2021-03-26 08:04:07,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 761 places, 969 transitions, 28351 flow [2021-03-26 08:04:09,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 748 places, 969 transitions, 27883 flow, removed 121 selfloop flow, removed 13 redundant places. [2021-03-26 08:04:09,350 INFO L241 Difference]: Finished difference. Result has 753 places, 962 transitions, 26010 flow [2021-03-26 08:04:09,350 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=25859, PETRI_DIFFERENCE_MINUEND_PLACES=736, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=962, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=894, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=26010, PETRI_PLACES=753, PETRI_TRANSITIONS=962} [2021-03-26 08:04:09,350 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 714 predicate places. [2021-03-26 08:04:09,350 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:04:09,350 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 753 places, 962 transitions, 26010 flow [2021-03-26 08:04:09,350 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 753 places, 962 transitions, 26010 flow [2021-03-26 08:04:09,358 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 749 places, 962 transitions, 26010 flow [2021-03-26 08:04:09,756 INFO L129 PetriNetUnfolder]: 752/1722 cut-off events. [2021-03-26 08:04:09,756 INFO L130 PetriNetUnfolder]: For 210745/211062 co-relation queries the response was YES. [2021-03-26 08:04:09,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29732 conditions, 1722 events. 752/1722 cut-off events. For 210745/211062 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 13157 event pairs, 36 based on Foata normal form. 18/1721 useless extension candidates. Maximal degree in co-relation 29447. Up to 504 conditions per place. [2021-03-26 08:04:09,809 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 08:04:09,909 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:04:09,910 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:04:09,910 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 560 [2021-03-26 08:04:09,910 INFO L480 AbstractCegarLoop]: Abstraction has has 749 places, 962 transitions, 26010 flow [2021-03-26 08:04:09,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:09,910 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:04:09,910 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:04:09,910 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable344 [2021-03-26 08:04:09,910 INFO L428 AbstractCegarLoop]: === Iteration 346 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:04:09,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:04:09,910 INFO L82 PathProgramCache]: Analyzing trace with hash -673627963, now seen corresponding path program 2 times [2021-03-26 08:04:09,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:04:09,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775035812] [2021-03-26 08:04:09,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:04:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:04:09,916 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:04:09,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:04:09,921 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:04:09,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:04:09,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:09,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:04:09,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:09,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:04:09,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:09,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:04:09,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:09,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:04:09,971 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 08:04:09,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 08:04:09,995 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 08:04:09,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 08:04:10,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:10,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:04:10,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:10,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:04:10,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:04:10,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775035812] [2021-03-26 08:04:10,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:04:10,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:04:10,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863212417] [2021-03-26 08:04:10,031 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:04:10,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:04:10,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:04:10,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:04:10,031 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 206 [2021-03-26 08:04:10,032 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 749 places, 962 transitions, 26010 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:10,032 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:04:10,032 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 206 [2021-03-26 08:04:10,032 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:04:11,310 INFO L129 PetriNetUnfolder]: 935/1975 cut-off events. [2021-03-26 08:04:11,310 INFO L130 PetriNetUnfolder]: For 253041/253064 co-relation queries the response was YES. [2021-03-26 08:04:11,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35694 conditions, 1975 events. 935/1975 cut-off events. For 253041/253064 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 14247 event pairs, 134 based on Foata normal form. 12/1984 useless extension candidates. Maximal degree in co-relation 35400. Up to 1758 conditions per place. [2021-03-26 08:04:11,353 INFO L132 encePairwiseOnDemand]: 189/206 looper letters, 886 selfloop transitions, 71 changer transitions 6/971 dead transitions. [2021-03-26 08:04:11,353 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 763 places, 971 transitions, 28209 flow [2021-03-26 08:04:11,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 08:04:11,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 08:04:11,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 476 transitions. [2021-03-26 08:04:11,354 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1540453074433657 [2021-03-26 08:04:11,354 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 476 transitions. [2021-03-26 08:04:11,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 476 transitions. [2021-03-26 08:04:11,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:04:11,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 476 transitions. [2021-03-26 08:04:11,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.733333333333334) internal successors, (476), 15 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:11,356 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 206.0) internal successors, (3296), 16 states have internal predecessors, (3296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:11,356 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 206.0) internal successors, (3296), 16 states have internal predecessors, (3296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:11,356 INFO L185 Difference]: Start difference. First operand has 749 places, 962 transitions, 26010 flow. Second operand 15 states and 476 transitions. [2021-03-26 08:04:11,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 763 places, 971 transitions, 28209 flow [2021-03-26 08:04:12,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 751 places, 971 transitions, 28058 flow, removed 7 selfloop flow, removed 12 redundant places. [2021-03-26 08:04:12,979 INFO L241 Difference]: Finished difference. Result has 755 places, 961 transitions, 26085 flow [2021-03-26 08:04:12,979 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=25862, PETRI_DIFFERENCE_MINUEND_PLACES=737, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=962, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=891, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=26085, PETRI_PLACES=755, PETRI_TRANSITIONS=961} [2021-03-26 08:04:12,979 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 716 predicate places. [2021-03-26 08:04:12,979 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:04:12,979 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 755 places, 961 transitions, 26085 flow [2021-03-26 08:04:12,979 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 755 places, 961 transitions, 26085 flow [2021-03-26 08:04:12,987 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 750 places, 961 transitions, 26085 flow [2021-03-26 08:04:13,386 INFO L129 PetriNetUnfolder]: 750/1717 cut-off events. [2021-03-26 08:04:13,386 INFO L130 PetriNetUnfolder]: For 214670/215009 co-relation queries the response was YES. [2021-03-26 08:04:13,416 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29763 conditions, 1717 events. 750/1717 cut-off events. For 214670/215009 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 13058 event pairs, 36 based on Foata normal form. 18/1714 useless extension candidates. Maximal degree in co-relation 29479. Up to 505 conditions per place. [2021-03-26 08:04:13,439 INFO L142 LiptonReduction]: Number of co-enabled transitions 682 [2021-03-26 08:04:13,538 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:04:13,538 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:04:13,538 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 559 [2021-03-26 08:04:13,540 INFO L480 AbstractCegarLoop]: Abstraction has has 750 places, 961 transitions, 26085 flow [2021-03-26 08:04:13,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:13,540 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:04:13,540 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:04:13,540 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable345 [2021-03-26 08:04:13,540 INFO L428 AbstractCegarLoop]: === Iteration 347 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:04:13,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:04:13,541 INFO L82 PathProgramCache]: Analyzing trace with hash -387712184, now seen corresponding path program 3 times [2021-03-26 08:04:13,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:04:13,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988179241] [2021-03-26 08:04:13,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:04:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:04:13,546 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:04:13,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:04:13,551 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:04:13,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:04:13,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:13,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:04:13,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:13,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:04:13,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:13,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:04:13,591 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 08:04:13,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 08:04:13,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:13,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:04:13,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:13,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:04:13,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:13,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:04:13,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:13,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:04:13,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:04:13,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988179241] [2021-03-26 08:04:13,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:04:13,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:04:13,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911400599] [2021-03-26 08:04:13,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:04:13,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:04:13,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:04:13,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:04:13,648 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 206 [2021-03-26 08:04:13,648 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 750 places, 961 transitions, 26085 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:13,648 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:04:13,648 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 206 [2021-03-26 08:04:13,648 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:04:14,956 INFO L129 PetriNetUnfolder]: 933/1966 cut-off events. [2021-03-26 08:04:14,956 INFO L130 PetriNetUnfolder]: For 253460/253483 co-relation queries the response was YES. [2021-03-26 08:04:14,991 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35679 conditions, 1966 events. 933/1966 cut-off events. For 253460/253483 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 14166 event pairs, 132 based on Foata normal form. 12/1975 useless extension candidates. Maximal degree in co-relation 35393. Up to 1727 conditions per place. [2021-03-26 08:04:15,001 INFO L132 encePairwiseOnDemand]: 184/206 looper letters, 852 selfloop transitions, 107 changer transitions 4/971 dead transitions. [2021-03-26 08:04:15,001 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 763 places, 971 transitions, 28436 flow [2021-03-26 08:04:15,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 08:04:15,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 08:04:15,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 455 transitions. [2021-03-26 08:04:15,003 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15776699029126215 [2021-03-26 08:04:15,003 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 455 transitions. [2021-03-26 08:04:15,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 455 transitions. [2021-03-26 08:04:15,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:04:15,003 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 455 transitions. [2021-03-26 08:04:15,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.5) internal successors, (455), 14 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:15,004 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 206.0) internal successors, (3090), 15 states have internal predecessors, (3090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:15,004 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 206.0) internal successors, (3090), 15 states have internal predecessors, (3090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:15,004 INFO L185 Difference]: Start difference. First operand has 750 places, 961 transitions, 26085 flow. Second operand 14 states and 455 transitions. [2021-03-26 08:04:15,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 763 places, 971 transitions, 28436 flow [2021-03-26 08:04:16,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 751 places, 971 transitions, 28203 flow, removed 63 selfloop flow, removed 12 redundant places. [2021-03-26 08:04:16,697 INFO L241 Difference]: Finished difference. Result has 753 places, 958 transitions, 26031 flow [2021-03-26 08:04:16,697 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=25852, PETRI_DIFFERENCE_MINUEND_PLACES=738, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=961, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=107, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=854, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=26031, PETRI_PLACES=753, PETRI_TRANSITIONS=958} [2021-03-26 08:04:16,697 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 714 predicate places. [2021-03-26 08:04:16,697 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:04:16,698 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 753 places, 958 transitions, 26031 flow [2021-03-26 08:04:16,698 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 753 places, 958 transitions, 26031 flow [2021-03-26 08:04:16,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 749 places, 958 transitions, 26031 flow [2021-03-26 08:04:17,108 INFO L129 PetriNetUnfolder]: 751/1714 cut-off events. [2021-03-26 08:04:17,108 INFO L130 PetriNetUnfolder]: For 214143/214407 co-relation queries the response was YES. [2021-03-26 08:04:17,139 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29706 conditions, 1714 events. 751/1714 cut-off events. For 214143/214407 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 12980 event pairs, 39 based on Foata normal form. 17/1711 useless extension candidates. Maximal degree in co-relation 29418. Up to 501 conditions per place. [2021-03-26 08:04:17,162 INFO L142 LiptonReduction]: Number of co-enabled transitions 682 [2021-03-26 08:04:17,264 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:04:17,264 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:04:17,264 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 567 [2021-03-26 08:04:17,264 INFO L480 AbstractCegarLoop]: Abstraction has has 749 places, 958 transitions, 26031 flow [2021-03-26 08:04:17,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:17,264 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:04:17,264 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:04:17,265 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable346 [2021-03-26 08:04:17,265 INFO L428 AbstractCegarLoop]: === Iteration 348 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:04:17,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:04:17,265 INFO L82 PathProgramCache]: Analyzing trace with hash 808806189, now seen corresponding path program 3 times [2021-03-26 08:04:17,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:04:17,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030725995] [2021-03-26 08:04:17,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:04:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:04:17,270 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:04:17,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:04:17,275 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:04:17,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:04:17,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:17,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:04:17,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:17,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:04:17,305 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 08:04:17,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 08:04:17,324 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 08:04:17,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 08:04:17,341 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 08:04:17,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 08:04:17,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:17,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:04:17,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:17,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:04:17,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:17,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:04:17,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:17,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:04:17,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:04:17,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030725995] [2021-03-26 08:04:17,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:04:17,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:04:17,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742077862] [2021-03-26 08:04:17,401 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:04:17,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:04:17,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:04:17,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:04:17,402 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 206 [2021-03-26 08:04:17,402 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 749 places, 958 transitions, 26031 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:17,402 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:04:17,402 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 206 [2021-03-26 08:04:17,402 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:04:18,776 INFO L129 PetriNetUnfolder]: 936/1977 cut-off events. [2021-03-26 08:04:18,776 INFO L130 PetriNetUnfolder]: For 260491/260514 co-relation queries the response was YES. [2021-03-26 08:04:18,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36074 conditions, 1977 events. 936/1977 cut-off events. For 260491/260514 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 14261 event pairs, 116 based on Foata normal form. 15/1990 useless extension candidates. Maximal degree in co-relation 35784. Up to 1625 conditions per place. [2021-03-26 08:04:18,820 INFO L132 encePairwiseOnDemand]: 178/206 looper letters, 751 selfloop transitions, 212 changer transitions 3/974 dead transitions. [2021-03-26 08:04:18,820 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 765 places, 974 transitions, 28793 flow [2021-03-26 08:04:18,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 08:04:18,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 08:04:18,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 549 transitions. [2021-03-26 08:04:18,822 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15676756139348944 [2021-03-26 08:04:18,822 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 549 transitions. [2021-03-26 08:04:18,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 549 transitions. [2021-03-26 08:04:18,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:04:18,822 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 549 transitions. [2021-03-26 08:04:18,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.294117647058826) internal successors, (549), 17 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:18,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 206.0) internal successors, (3708), 18 states have internal predecessors, (3708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:18,824 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 206.0) internal successors, (3708), 18 states have internal predecessors, (3708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:18,824 INFO L185 Difference]: Start difference. First operand has 749 places, 958 transitions, 26031 flow. Second operand 17 states and 549 transitions. [2021-03-26 08:04:18,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 765 places, 974 transitions, 28793 flow [2021-03-26 08:04:20,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 752 places, 974 transitions, 28536 flow, removed 18 selfloop flow, removed 13 redundant places. [2021-03-26 08:04:20,633 INFO L241 Difference]: Finished difference. Result has 755 places, 965 transitions, 26779 flow [2021-03-26 08:04:20,633 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=25786, PETRI_DIFFERENCE_MINUEND_PLACES=736, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=958, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=207, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=749, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=26779, PETRI_PLACES=755, PETRI_TRANSITIONS=965} [2021-03-26 08:04:20,633 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 716 predicate places. [2021-03-26 08:04:20,633 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:04:20,633 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 755 places, 965 transitions, 26779 flow [2021-03-26 08:04:20,633 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 755 places, 965 transitions, 26779 flow [2021-03-26 08:04:20,642 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 754 places, 965 transitions, 26779 flow [2021-03-26 08:04:21,047 INFO L129 PetriNetUnfolder]: 756/1728 cut-off events. [2021-03-26 08:04:21,047 INFO L130 PetriNetUnfolder]: For 219159/219476 co-relation queries the response was YES. [2021-03-26 08:04:21,078 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30425 conditions, 1728 events. 756/1728 cut-off events. For 219159/219476 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 13189 event pairs, 29 based on Foata normal form. 41/1751 useless extension candidates. Maximal degree in co-relation 30136. Up to 500 conditions per place. [2021-03-26 08:04:21,101 INFO L142 LiptonReduction]: Number of co-enabled transitions 682 [2021-03-26 08:04:21,204 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:04:21,204 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:04:21,205 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 572 [2021-03-26 08:04:21,205 INFO L480 AbstractCegarLoop]: Abstraction has has 754 places, 965 transitions, 26779 flow [2021-03-26 08:04:21,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:21,205 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:04:21,205 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:04:21,205 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable347 [2021-03-26 08:04:21,205 INFO L428 AbstractCegarLoop]: === Iteration 349 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:04:21,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:04:21,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1507841958, now seen corresponding path program 2 times [2021-03-26 08:04:21,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:04:21,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234716231] [2021-03-26 08:04:21,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:04:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:04:21,224 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:04:21,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:04:21,229 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:04:21,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:04:21,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:21,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:04:21,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:21,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:04:21,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:21,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:04:21,269 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 08:04:21,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 08:04:21,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:21,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:04:21,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:21,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:04:21,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:21,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:04:21,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:21,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:04:21,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:21,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:04:21,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:04:21,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234716231] [2021-03-26 08:04:21,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:04:21,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:04:21,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827391883] [2021-03-26 08:04:21,322 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:04:21,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:04:21,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:04:21,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:04:21,323 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 206 [2021-03-26 08:04:21,323 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 754 places, 965 transitions, 26779 flow. Second operand has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:21,323 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:04:21,323 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 206 [2021-03-26 08:04:21,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:04:22,736 INFO L129 PetriNetUnfolder]: 946/1998 cut-off events. [2021-03-26 08:04:22,737 INFO L130 PetriNetUnfolder]: For 276192/276213 co-relation queries the response was YES. [2021-03-26 08:04:22,771 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37178 conditions, 1998 events. 946/1998 cut-off events. For 276192/276213 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 14395 event pairs, 141 based on Foata normal form. 6/2000 useless extension candidates. Maximal degree in co-relation 36885. Up to 1694 conditions per place. [2021-03-26 08:04:22,781 INFO L132 encePairwiseOnDemand]: 182/206 looper letters, 784 selfloop transitions, 195 changer transitions 4/991 dead transitions. [2021-03-26 08:04:22,781 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 767 places, 991 transitions, 30177 flow [2021-03-26 08:04:22,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 08:04:22,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 08:04:22,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 465 transitions. [2021-03-26 08:04:22,782 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1612343966712899 [2021-03-26 08:04:22,783 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 465 transitions. [2021-03-26 08:04:22,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 465 transitions. [2021-03-26 08:04:22,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:04:22,783 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 465 transitions. [2021-03-26 08:04:22,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 33.214285714285715) internal successors, (465), 14 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:22,784 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 206.0) internal successors, (3090), 15 states have internal predecessors, (3090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:22,784 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 206.0) internal successors, (3090), 15 states have internal predecessors, (3090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:22,784 INFO L185 Difference]: Start difference. First operand has 754 places, 965 transitions, 26779 flow. Second operand 14 states and 465 transitions. [2021-03-26 08:04:22,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 767 places, 991 transitions, 30177 flow [2021-03-26 08:04:24,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 754 places, 991 transitions, 29346 flow, removed 189 selfloop flow, removed 13 redundant places. [2021-03-26 08:04:24,470 INFO L241 Difference]: Finished difference. Result has 759 places, 974 transitions, 27021 flow [2021-03-26 08:04:24,470 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=25953, PETRI_DIFFERENCE_MINUEND_PLACES=741, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=965, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=187, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=775, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=27021, PETRI_PLACES=759, PETRI_TRANSITIONS=974} [2021-03-26 08:04:24,470 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 720 predicate places. [2021-03-26 08:04:24,470 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:04:24,470 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 759 places, 974 transitions, 27021 flow [2021-03-26 08:04:24,470 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 759 places, 974 transitions, 27021 flow [2021-03-26 08:04:24,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 758 places, 974 transitions, 27021 flow [2021-03-26 08:04:25,017 INFO L129 PetriNetUnfolder]: 763/1746 cut-off events. [2021-03-26 08:04:25,017 INFO L130 PetriNetUnfolder]: For 228942/229213 co-relation queries the response was YES. [2021-03-26 08:04:25,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31067 conditions, 1746 events. 763/1746 cut-off events. For 228942/229213 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 13317 event pairs, 34 based on Foata normal form. 35/1770 useless extension candidates. Maximal degree in co-relation 30774. Up to 512 conditions per place. [2021-03-26 08:04:25,066 INFO L142 LiptonReduction]: Number of co-enabled transitions 688 [2021-03-26 08:04:25,160 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:04:25,160 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:04:25,160 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 690 [2021-03-26 08:04:25,161 INFO L480 AbstractCegarLoop]: Abstraction has has 758 places, 974 transitions, 27021 flow [2021-03-26 08:04:25,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:25,161 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:04:25,161 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:04:25,161 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable348 [2021-03-26 08:04:25,161 INFO L428 AbstractCegarLoop]: === Iteration 350 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:04:25,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:04:25,161 INFO L82 PathProgramCache]: Analyzing trace with hash -617462721, now seen corresponding path program 2 times [2021-03-26 08:04:25,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:04:25,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873886010] [2021-03-26 08:04:25,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:04:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:04:25,166 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:04:25,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:04:25,171 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:04:25,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:04:25,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:25,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:04:25,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:25,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:04:25,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:25,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:04:25,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:25,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:04:25,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:25,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:04:25,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:25,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:04:25,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:25,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:04:25,255 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 08:04:25,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:04:25,259 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:04:25,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:04:25,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:04:25,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873886010] [2021-03-26 08:04:25,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:04:25,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:04:25,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134830510] [2021-03-26 08:04:25,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:04:25,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:04:25,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:04:25,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:04:25,262 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 206 [2021-03-26 08:04:25,262 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 758 places, 974 transitions, 27021 flow. Second operand has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:25,262 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:04:25,262 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 206 [2021-03-26 08:04:25,262 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:04:26,636 INFO L129 PetriNetUnfolder]: 951/2015 cut-off events. [2021-03-26 08:04:26,636 INFO L130 PetriNetUnfolder]: For 281053/281076 co-relation queries the response was YES. [2021-03-26 08:04:26,673 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37505 conditions, 2015 events. 951/2015 cut-off events. For 281053/281076 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 14678 event pairs, 106 based on Foata normal form. 12/2024 useless extension candidates. Maximal degree in co-relation 37208. Up to 1775 conditions per place. [2021-03-26 08:04:26,683 INFO L132 encePairwiseOnDemand]: 183/206 looper letters, 845 selfloop transitions, 135 changer transitions 4/992 dead transitions. [2021-03-26 08:04:26,683 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 771 places, 992 transitions, 29808 flow [2021-03-26 08:04:26,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 08:04:26,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 08:04:26,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 451 transitions. [2021-03-26 08:04:26,685 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15638002773925105 [2021-03-26 08:04:26,685 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 451 transitions. [2021-03-26 08:04:26,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 451 transitions. [2021-03-26 08:04:26,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:04:26,685 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 451 transitions. [2021-03-26 08:04:26,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.214285714285715) internal successors, (451), 14 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:26,686 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 206.0) internal successors, (3090), 15 states have internal predecessors, (3090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:26,686 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 206.0) internal successors, (3090), 15 states have internal predecessors, (3090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:26,686 INFO L185 Difference]: Start difference. First operand has 758 places, 974 transitions, 27021 flow. Second operand 14 states and 451 transitions. [2021-03-26 08:04:26,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 771 places, 992 transitions, 29808 flow [2021-03-26 08:04:28,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 765 places, 992 transitions, 29195 flow, removed 208 selfloop flow, removed 6 redundant places. [2021-03-26 08:04:28,528 INFO L241 Difference]: Finished difference. Result has 770 places, 987 transitions, 27238 flow [2021-03-26 08:04:28,528 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=26408, PETRI_DIFFERENCE_MINUEND_PLACES=752, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=974, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=125, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=846, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=27238, PETRI_PLACES=770, PETRI_TRANSITIONS=987} [2021-03-26 08:04:28,528 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 731 predicate places. [2021-03-26 08:04:28,528 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:04:28,528 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 770 places, 987 transitions, 27238 flow [2021-03-26 08:04:28,528 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 770 places, 987 transitions, 27238 flow [2021-03-26 08:04:28,537 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 768 places, 987 transitions, 27238 flow [2021-03-26 08:04:28,956 INFO L129 PetriNetUnfolder]: 768/1760 cut-off events. [2021-03-26 08:04:28,956 INFO L130 PetriNetUnfolder]: For 237380/237631 co-relation queries the response was YES. [2021-03-26 08:04:28,987 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31152 conditions, 1760 events. 768/1760 cut-off events. For 237380/237631 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 13420 event pairs, 28 based on Foata normal form. 31/1779 useless extension candidates. Maximal degree in co-relation 30854. Up to 518 conditions per place. [2021-03-26 08:04:29,011 INFO L142 LiptonReduction]: Number of co-enabled transitions 688 [2021-03-26 08:04:29,297 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:04:29,297 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 08:04:29,297 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 769 [2021-03-26 08:04:29,297 INFO L480 AbstractCegarLoop]: Abstraction has has 768 places, 987 transitions, 27242 flow [2021-03-26 08:04:29,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:29,297 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:04:29,297 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:04:29,297 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable349 [2021-03-26 08:04:29,297 INFO L428 AbstractCegarLoop]: === Iteration 351 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:04:29,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:04:29,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1844676587, now seen corresponding path program 6 times [2021-03-26 08:04:29,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:04:29,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641458671] [2021-03-26 08:04:29,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:04:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:04:29,303 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:04:29,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:04:29,308 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:04:29,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:04:29,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:29,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:04:29,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:29,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:04:29,337 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 08:04:29,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 08:04:29,361 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 08:04:29,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:04:29,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:29,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:04:29,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:29,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:04:29,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:29,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:04:29,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:29,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:04:29,447 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:04:29,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:04:29,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:04:29,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641458671] [2021-03-26 08:04:29,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:04:29,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:04:29,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962083500] [2021-03-26 08:04:29,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:04:29,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:04:29,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:04:29,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:04:29,450 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 208 [2021-03-26 08:04:29,450 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 768 places, 987 transitions, 27242 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:29,450 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:04:29,450 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 208 [2021-03-26 08:04:29,450 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:04:31,104 INFO L129 PetriNetUnfolder]: 951/2019 cut-off events. [2021-03-26 08:04:31,104 INFO L130 PetriNetUnfolder]: For 287258/287281 co-relation queries the response was YES. [2021-03-26 08:04:31,141 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37717 conditions, 2019 events. 951/2019 cut-off events. For 287258/287281 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 14720 event pairs, 86 based on Foata normal form. 13/2029 useless extension candidates. Maximal degree in co-relation 37415. Up to 1653 conditions per place. [2021-03-26 08:04:31,151 INFO L132 encePairwiseOnDemand]: 183/208 looper letters, 780 selfloop transitions, 212 changer transitions 11/1011 dead transitions. [2021-03-26 08:04:31,151 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 791 places, 1011 transitions, 30356 flow [2021-03-26 08:04:31,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-26 08:04:31,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-26 08:04:31,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 753 transitions. [2021-03-26 08:04:31,153 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15084134615384615 [2021-03-26 08:04:31,153 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 753 transitions. [2021-03-26 08:04:31,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 753 transitions. [2021-03-26 08:04:31,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:04:31,153 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 753 transitions. [2021-03-26 08:04:31,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 31.375) internal successors, (753), 24 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:31,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 208.0) internal successors, (5200), 25 states have internal predecessors, (5200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:31,155 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 208.0) internal successors, (5200), 25 states have internal predecessors, (5200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:31,155 INFO L185 Difference]: Start difference. First operand has 768 places, 987 transitions, 27242 flow. Second operand 24 states and 753 transitions. [2021-03-26 08:04:31,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 791 places, 1011 transitions, 30356 flow [2021-03-26 08:04:32,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 787 places, 1011 transitions, 29974 flow, removed 149 selfloop flow, removed 4 redundant places. [2021-03-26 08:04:33,012 INFO L241 Difference]: Finished difference. Result has 791 places, 984 transitions, 27449 flow [2021-03-26 08:04:33,013 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=26860, PETRI_DIFFERENCE_MINUEND_PLACES=764, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=987, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=209, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=776, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=27449, PETRI_PLACES=791, PETRI_TRANSITIONS=984} [2021-03-26 08:04:33,013 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 752 predicate places. [2021-03-26 08:04:33,013 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:04:33,013 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 791 places, 984 transitions, 27449 flow [2021-03-26 08:04:33,013 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 791 places, 984 transitions, 27449 flow [2021-03-26 08:04:33,021 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 789 places, 984 transitions, 27449 flow [2021-03-26 08:04:33,447 INFO L129 PetriNetUnfolder]: 773/1766 cut-off events. [2021-03-26 08:04:33,447 INFO L130 PetriNetUnfolder]: For 252092/252358 co-relation queries the response was YES. [2021-03-26 08:04:33,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31877 conditions, 1766 events. 773/1766 cut-off events. For 252092/252358 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 13526 event pairs, 28 based on Foata normal form. 20/1774 useless extension candidates. Maximal degree in co-relation 31575. Up to 518 conditions per place. [2021-03-26 08:04:33,503 INFO L142 LiptonReduction]: Number of co-enabled transitions 690 [2021-03-26 08:04:33,604 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:04:33,604 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:04:33,604 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 591 [2021-03-26 08:04:33,604 INFO L480 AbstractCegarLoop]: Abstraction has has 789 places, 984 transitions, 27449 flow [2021-03-26 08:04:33,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:33,604 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:04:33,604 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:04:33,605 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable350 [2021-03-26 08:04:33,605 INFO L428 AbstractCegarLoop]: === Iteration 352 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:04:33,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:04:33,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1845701433, now seen corresponding path program 1 times [2021-03-26 08:04:33,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:04:33,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424390279] [2021-03-26 08:04:33,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:04:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:04:33,612 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:04:33,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:04:33,617 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:04:33,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:04:33,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:33,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:04:33,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:33,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:04:33,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:33,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:04:33,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:33,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:04:33,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:33,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:04:33,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:33,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:04:33,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:33,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:04:33,744 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:04:33,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:04:33,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:04:33,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424390279] [2021-03-26 08:04:33,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:04:33,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:04:33,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540956197] [2021-03-26 08:04:33,746 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:04:33,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:04:33,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:04:33,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:04:33,747 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 208 [2021-03-26 08:04:33,747 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 789 places, 984 transitions, 27449 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:33,747 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:04:33,747 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 208 [2021-03-26 08:04:33,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:04:35,087 INFO L129 PetriNetUnfolder]: 953/2027 cut-off events. [2021-03-26 08:04:35,087 INFO L130 PetriNetUnfolder]: For 309580/309603 co-relation queries the response was YES. [2021-03-26 08:04:35,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38625 conditions, 2027 events. 953/2027 cut-off events. For 309580/309603 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 14834 event pairs, 127 based on Foata normal form. 13/2037 useless extension candidates. Maximal degree in co-relation 38319. Up to 1728 conditions per place. [2021-03-26 08:04:35,132 INFO L132 encePairwiseOnDemand]: 181/208 looper letters, 797 selfloop transitions, 190 changer transitions 4/999 dead transitions. [2021-03-26 08:04:35,132 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 799 places, 999 transitions, 30641 flow [2021-03-26 08:04:35,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 08:04:35,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 08:04:35,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 378 transitions. [2021-03-26 08:04:35,134 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1652097902097902 [2021-03-26 08:04:35,134 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 378 transitions. [2021-03-26 08:04:35,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 378 transitions. [2021-03-26 08:04:35,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:04:35,134 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 378 transitions. [2021-03-26 08:04:35,134 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 34.36363636363637) internal successors, (378), 11 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:35,135 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 208.0) internal successors, (2496), 12 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:35,135 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 208.0) internal successors, (2496), 12 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:35,135 INFO L185 Difference]: Start difference. First operand has 789 places, 984 transitions, 27449 flow. Second operand 11 states and 378 transitions. [2021-03-26 08:04:35,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 799 places, 999 transitions, 30641 flow [2021-03-26 08:04:37,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 784 places, 999 transitions, 30154 flow, removed 119 selfloop flow, removed 15 redundant places. [2021-03-26 08:04:37,042 INFO L241 Difference]: Finished difference. Result has 787 places, 992 transitions, 28253 flow [2021-03-26 08:04:37,042 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=26974, PETRI_DIFFERENCE_MINUEND_PLACES=774, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=984, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=183, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=800, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=28253, PETRI_PLACES=787, PETRI_TRANSITIONS=992} [2021-03-26 08:04:37,042 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 748 predicate places. [2021-03-26 08:04:37,042 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:04:37,042 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 787 places, 992 transitions, 28253 flow [2021-03-26 08:04:37,043 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 787 places, 992 transitions, 28253 flow [2021-03-26 08:04:37,051 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 787 places, 992 transitions, 28253 flow [2021-03-26 08:04:37,496 INFO L129 PetriNetUnfolder]: 776/1778 cut-off events. [2021-03-26 08:04:37,496 INFO L130 PetriNetUnfolder]: For 261401/261660 co-relation queries the response was YES. [2021-03-26 08:04:37,528 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32404 conditions, 1778 events. 776/1778 cut-off events. For 261401/261660 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 13669 event pairs, 39 based on Foata normal form. 22/1789 useless extension candidates. Maximal degree in co-relation 32104. Up to 523 conditions per place. [2021-03-26 08:04:37,555 INFO L142 LiptonReduction]: Number of co-enabled transitions 692 [2021-03-26 08:04:37,849 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:04:37,849 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 08:04:37,849 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 807 [2021-03-26 08:04:37,849 INFO L480 AbstractCegarLoop]: Abstraction has has 787 places, 992 transitions, 28314 flow [2021-03-26 08:04:37,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:37,850 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:04:37,850 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:04:37,850 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable351 [2021-03-26 08:04:37,850 INFO L428 AbstractCegarLoop]: === Iteration 353 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:04:37,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:04:37,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1575525183, now seen corresponding path program 2 times [2021-03-26 08:04:37,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:04:37,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19724924] [2021-03-26 08:04:37,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:04:37,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:04:37,874 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:04:37,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:04:37,880 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:04:37,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:04:37,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:37,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:04:37,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:37,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:04:37,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:37,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:04:37,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:37,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:04:37,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:37,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:04:37,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:37,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:04:37,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:37,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:04:37,975 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:04:37,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:04:37,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:04:37,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19724924] [2021-03-26 08:04:37,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:04:37,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:04:37,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299577526] [2021-03-26 08:04:37,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:04:37,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:04:37,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:04:37,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:04:37,978 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 209 [2021-03-26 08:04:37,978 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 787 places, 992 transitions, 28314 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:37,978 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:04:37,978 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 209 [2021-03-26 08:04:37,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:04:39,451 INFO L129 PetriNetUnfolder]: 950/2021 cut-off events. [2021-03-26 08:04:39,452 INFO L130 PetriNetUnfolder]: For 315330/315353 co-relation queries the response was YES. [2021-03-26 08:04:39,482 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38718 conditions, 2021 events. 950/2021 cut-off events. For 315330/315353 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 14786 event pairs, 123 based on Foata normal form. 12/2030 useless extension candidates. Maximal degree in co-relation 38414. Up to 1783 conditions per place. [2021-03-26 08:04:39,492 INFO L132 encePairwiseOnDemand]: 185/209 looper letters, 853 selfloop transitions, 124 changer transitions 9/994 dead transitions. [2021-03-26 08:04:39,492 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 797 places, 994 transitions, 30415 flow [2021-03-26 08:04:39,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 08:04:39,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 08:04:39,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 364 transitions. [2021-03-26 08:04:39,493 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15832970856894302 [2021-03-26 08:04:39,493 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 364 transitions. [2021-03-26 08:04:39,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 364 transitions. [2021-03-26 08:04:39,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:04:39,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 364 transitions. [2021-03-26 08:04:39,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 33.09090909090909) internal successors, (364), 11 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:39,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 209.0) internal successors, (2508), 12 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:39,494 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 209.0) internal successors, (2508), 12 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:39,494 INFO L185 Difference]: Start difference. First operand has 787 places, 992 transitions, 28314 flow. Second operand 11 states and 364 transitions. [2021-03-26 08:04:39,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 797 places, 994 transitions, 30415 flow [2021-03-26 08:04:41,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 791 places, 994 transitions, 29461 flow, removed 392 selfloop flow, removed 6 redundant places. [2021-03-26 08:04:41,459 INFO L241 Difference]: Finished difference. Result has 793 places, 984 transitions, 27568 flow [2021-03-26 08:04:41,459 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=27450, PETRI_DIFFERENCE_MINUEND_PLACES=781, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=992, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=124, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=868, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=27568, PETRI_PLACES=793, PETRI_TRANSITIONS=984} [2021-03-26 08:04:41,459 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 754 predicate places. [2021-03-26 08:04:41,459 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:04:41,459 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 793 places, 984 transitions, 27568 flow [2021-03-26 08:04:41,459 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 793 places, 984 transitions, 27568 flow [2021-03-26 08:04:41,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 788 places, 984 transitions, 27568 flow [2021-03-26 08:04:41,893 INFO L129 PetriNetUnfolder]: 773/1766 cut-off events. [2021-03-26 08:04:41,893 INFO L130 PetriNetUnfolder]: For 249532/249849 co-relation queries the response was YES. [2021-03-26 08:04:41,924 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31989 conditions, 1766 events. 773/1766 cut-off events. For 249532/249849 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 13478 event pairs, 30 based on Foata normal form. 29/1785 useless extension candidates. Maximal degree in co-relation 31687. Up to 520 conditions per place. [2021-03-26 08:04:41,949 INFO L142 LiptonReduction]: Number of co-enabled transitions 692 [2021-03-26 08:04:42,055 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:04:42,055 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:04:42,056 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 597 [2021-03-26 08:04:42,056 INFO L480 AbstractCegarLoop]: Abstraction has has 788 places, 984 transitions, 27568 flow [2021-03-26 08:04:42,056 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:42,056 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:04:42,056 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:04:42,056 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable352 [2021-03-26 08:04:42,056 INFO L428 AbstractCegarLoop]: === Iteration 354 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:04:42,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:04:42,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1269323660, now seen corresponding path program 1 times [2021-03-26 08:04:42,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:04:42,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904139036] [2021-03-26 08:04:42,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:04:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:04:42,062 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:04:42,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:04:42,067 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:04:42,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:04:42,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:42,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:04:42,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:42,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:04:42,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:42,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:04:42,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:42,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:04:42,107 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 08:04:42,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:04:42,130 INFO L142 QuantifierPusher]: treesize reduction 35, result has 44.4 percent of original size [2021-03-26 08:04:42,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 08:04:42,133 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 08:04:42,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:04:42,146 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:04:42,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:04:42,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:04:42,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904139036] [2021-03-26 08:04:42,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:04:42,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 08:04:42,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017062692] [2021-03-26 08:04:42,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 08:04:42,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:04:42,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 08:04:42,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 08:04:42,149 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 209 [2021-03-26 08:04:42,149 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 788 places, 984 transitions, 27568 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:42,149 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:04:42,149 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 209 [2021-03-26 08:04:42,149 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:04:43,350 INFO L129 PetriNetUnfolder]: 948/2009 cut-off events. [2021-03-26 08:04:43,350 INFO L130 PetriNetUnfolder]: For 299513/299553 co-relation queries the response was YES. [2021-03-26 08:04:43,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38112 conditions, 2009 events. 948/2009 cut-off events. For 299513/299553 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 14613 event pairs, 108 based on Foata normal form. 20/2026 useless extension candidates. Maximal degree in co-relation 37806. Up to 1746 conditions per place. [2021-03-26 08:04:43,396 INFO L132 encePairwiseOnDemand]: 186/209 looper letters, 841 selfloop transitions, 138 changer transitions 3/990 dead transitions. [2021-03-26 08:04:43,396 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 796 places, 990 transitions, 29774 flow [2021-03-26 08:04:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 08:04:43,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 08:04:43,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 320 transitions. [2021-03-26 08:04:43,397 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17012227538543329 [2021-03-26 08:04:43,397 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 320 transitions. [2021-03-26 08:04:43,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 320 transitions. [2021-03-26 08:04:43,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:04:43,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 320 transitions. [2021-03-26 08:04:43,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 35.55555555555556) internal successors, (320), 9 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:43,398 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 209.0) internal successors, (2090), 10 states have internal predecessors, (2090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:43,398 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 209.0) internal successors, (2090), 10 states have internal predecessors, (2090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:43,398 INFO L185 Difference]: Start difference. First operand has 788 places, 984 transitions, 27568 flow. Second operand 9 states and 320 transitions. [2021-03-26 08:04:43,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 796 places, 990 transitions, 29774 flow [2021-03-26 08:04:45,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 782 places, 990 transitions, 29401 flow, removed 5 selfloop flow, removed 14 redundant places. [2021-03-26 08:04:45,235 INFO L241 Difference]: Finished difference. Result has 784 places, 982 transitions, 27459 flow [2021-03-26 08:04:45,235 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=27195, PETRI_DIFFERENCE_MINUEND_PLACES=774, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=984, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=846, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=27459, PETRI_PLACES=784, PETRI_TRANSITIONS=982} [2021-03-26 08:04:45,236 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 745 predicate places. [2021-03-26 08:04:45,236 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:04:45,236 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 784 places, 982 transitions, 27459 flow [2021-03-26 08:04:45,236 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 784 places, 982 transitions, 27459 flow [2021-03-26 08:04:45,244 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 783 places, 982 transitions, 27459 flow [2021-03-26 08:04:45,675 INFO L129 PetriNetUnfolder]: 769/1761 cut-off events. [2021-03-26 08:04:45,676 INFO L130 PetriNetUnfolder]: For 245727/246025 co-relation queries the response was YES. [2021-03-26 08:04:45,708 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31891 conditions, 1761 events. 769/1761 cut-off events. For 245727/246025 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 13501 event pairs, 26 based on Foata normal form. 21/1775 useless extension candidates. Maximal degree in co-relation 31592. Up to 514 conditions per place. [2021-03-26 08:04:45,733 INFO L142 LiptonReduction]: Number of co-enabled transitions 690 [2021-03-26 08:04:45,840 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:04:45,840 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:04:45,841 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 605 [2021-03-26 08:04:45,841 INFO L480 AbstractCegarLoop]: Abstraction has has 783 places, 982 transitions, 27459 flow [2021-03-26 08:04:45,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:45,841 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:04:45,841 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:04:45,841 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable353 [2021-03-26 08:04:45,841 INFO L428 AbstractCegarLoop]: === Iteration 355 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:04:45,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:04:45,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1570679469, now seen corresponding path program 8 times [2021-03-26 08:04:45,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:04:45,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725010400] [2021-03-26 08:04:45,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:04:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:04:45,847 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:04:45,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:04:45,852 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:04:45,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:04:45,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:45,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:04:45,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:45,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:04:45,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:45,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:04:45,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:45,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:04:45,905 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:04:45,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:04:45,936 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:04:45,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:04:45,969 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 08:04:45,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:04:46,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:46,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:04:46,020 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:04:46,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:04:46,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:04:46,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725010400] [2021-03-26 08:04:46,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:04:46,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:04:46,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767182192] [2021-03-26 08:04:46,022 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:04:46,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:04:46,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:04:46,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:04:46,023 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 209 [2021-03-26 08:04:46,023 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 783 places, 982 transitions, 27459 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:46,023 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:04:46,023 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 209 [2021-03-26 08:04:46,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:04:47,576 INFO L129 PetriNetUnfolder]: 948/2007 cut-off events. [2021-03-26 08:04:47,576 INFO L130 PetriNetUnfolder]: For 298313/298336 co-relation queries the response was YES. [2021-03-26 08:04:47,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38142 conditions, 2007 events. 948/2007 cut-off events. For 298313/298336 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 14649 event pairs, 125 based on Foata normal form. 12/2016 useless extension candidates. Maximal degree in co-relation 37839. Up to 1788 conditions per place. [2021-03-26 08:04:47,624 INFO L132 encePairwiseOnDemand]: 189/209 looper letters, 880 selfloop transitions, 97 changer transitions 5/990 dead transitions. [2021-03-26 08:04:47,624 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 798 places, 990 transitions, 29689 flow [2021-03-26 08:04:47,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 08:04:47,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 08:04:47,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 506 transitions. [2021-03-26 08:04:47,626 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1513157894736842 [2021-03-26 08:04:47,626 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 506 transitions. [2021-03-26 08:04:47,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 506 transitions. [2021-03-26 08:04:47,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:04:47,626 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 506 transitions. [2021-03-26 08:04:47,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.625) internal successors, (506), 16 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:47,628 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 209.0) internal successors, (3553), 17 states have internal predecessors, (3553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:47,628 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 209.0) internal successors, (3553), 17 states have internal predecessors, (3553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:47,628 INFO L185 Difference]: Start difference. First operand has 783 places, 982 transitions, 27459 flow. Second operand 16 states and 506 transitions. [2021-03-26 08:04:47,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 798 places, 990 transitions, 29689 flow [2021-03-26 08:04:49,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 789 places, 990 transitions, 29405 flow, removed 6 selfloop flow, removed 9 redundant places. [2021-03-26 08:04:49,503 INFO L241 Difference]: Finished difference. Result has 793 places, 982 transitions, 27384 flow [2021-03-26 08:04:49,504 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=27175, PETRI_DIFFERENCE_MINUEND_PLACES=774, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=982, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=885, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=27384, PETRI_PLACES=793, PETRI_TRANSITIONS=982} [2021-03-26 08:04:49,504 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 754 predicate places. [2021-03-26 08:04:49,504 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:04:49,504 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 793 places, 982 transitions, 27384 flow [2021-03-26 08:04:49,504 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 793 places, 982 transitions, 27384 flow [2021-03-26 08:04:49,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 789 places, 982 transitions, 27384 flow [2021-03-26 08:04:50,004 INFO L129 PetriNetUnfolder]: 757/1734 cut-off events. [2021-03-26 08:04:50,004 INFO L130 PetriNetUnfolder]: For 247699/248035 co-relation queries the response was YES. [2021-03-26 08:04:50,042 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31439 conditions, 1734 events. 757/1734 cut-off events. For 247699/248035 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 13345 event pairs, 37 based on Foata normal form. 18/1735 useless extension candidates. Maximal degree in co-relation 31145. Up to 511 conditions per place. [2021-03-26 08:04:50,075 INFO L142 LiptonReduction]: Number of co-enabled transitions 688 [2021-03-26 08:04:50,184 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:04:50,184 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:04:50,184 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 680 [2021-03-26 08:04:50,185 INFO L480 AbstractCegarLoop]: Abstraction has has 789 places, 982 transitions, 27384 flow [2021-03-26 08:04:50,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:50,185 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:04:50,185 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:04:50,185 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable354 [2021-03-26 08:04:50,185 INFO L428 AbstractCegarLoop]: === Iteration 356 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:04:50,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:04:50,185 INFO L82 PathProgramCache]: Analyzing trace with hash -29778756, now seen corresponding path program 3 times [2021-03-26 08:04:50,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:04:50,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464216221] [2021-03-26 08:04:50,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:04:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:04:50,191 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:04:50,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:04:50,196 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:04:50,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:04:50,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:50,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:04:50,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:50,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:04:50,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:50,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:04:50,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:50,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:04:50,249 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 08:04:50,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 08:04:50,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:50,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:04:50,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:50,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:04:50,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:50,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:04:50,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:50,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:04:50,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:04:50,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464216221] [2021-03-26 08:04:50,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:04:50,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:04:50,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353032428] [2021-03-26 08:04:50,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:04:50,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:04:50,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:04:50,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:04:50,309 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 209 [2021-03-26 08:04:50,310 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 789 places, 982 transitions, 27384 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:50,310 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:04:50,310 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 209 [2021-03-26 08:04:50,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:04:51,799 INFO L129 PetriNetUnfolder]: 949/2017 cut-off events. [2021-03-26 08:04:51,799 INFO L130 PetriNetUnfolder]: For 310637/310660 co-relation queries the response was YES. [2021-03-26 08:04:51,836 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38581 conditions, 2017 events. 949/2017 cut-off events. For 310637/310660 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 14739 event pairs, 101 based on Foata normal form. 15/2030 useless extension candidates. Maximal degree in co-relation 38285. Up to 1575 conditions per place. [2021-03-26 08:04:51,846 INFO L132 encePairwiseOnDemand]: 178/209 looper letters, 690 selfloop transitions, 312 changer transitions 3/1013 dead transitions. [2021-03-26 08:04:51,846 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 804 places, 1013 transitions, 31010 flow [2021-03-26 08:04:51,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 08:04:51,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 08:04:51,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 532 transitions. [2021-03-26 08:04:51,848 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1590909090909091 [2021-03-26 08:04:51,848 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 532 transitions. [2021-03-26 08:04:51,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 532 transitions. [2021-03-26 08:04:51,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:04:51,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 532 transitions. [2021-03-26 08:04:51,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.25) internal successors, (532), 16 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:51,850 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 209.0) internal successors, (3553), 17 states have internal predecessors, (3553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:51,850 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 209.0) internal successors, (3553), 17 states have internal predecessors, (3553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:51,850 INFO L185 Difference]: Start difference. First operand has 789 places, 982 transitions, 27384 flow. Second operand 16 states and 532 transitions. [2021-03-26 08:04:51,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 804 places, 1013 transitions, 31010 flow [2021-03-26 08:04:53,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 791 places, 1013 transitions, 30809 flow, removed 15 selfloop flow, removed 13 redundant places. [2021-03-26 08:04:53,726 INFO L241 Difference]: Finished difference. Result has 795 places, 993 transitions, 28734 flow [2021-03-26 08:04:53,726 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=27189, PETRI_DIFFERENCE_MINUEND_PLACES=776, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=982, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=303, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=672, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=28734, PETRI_PLACES=795, PETRI_TRANSITIONS=993} [2021-03-26 08:04:53,726 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 756 predicate places. [2021-03-26 08:04:53,726 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:04:53,726 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 795 places, 993 transitions, 28734 flow [2021-03-26 08:04:53,727 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 795 places, 993 transitions, 28734 flow [2021-03-26 08:04:53,735 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 794 places, 993 transitions, 28734 flow [2021-03-26 08:04:54,175 INFO L129 PetriNetUnfolder]: 769/1773 cut-off events. [2021-03-26 08:04:54,175 INFO L130 PetriNetUnfolder]: For 262525/262810 co-relation queries the response was YES. [2021-03-26 08:04:54,207 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32927 conditions, 1773 events. 769/1773 cut-off events. For 262525/262810 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 13722 event pairs, 27 based on Foata normal form. 43/1803 useless extension candidates. Maximal degree in co-relation 32626. Up to 519 conditions per place. [2021-03-26 08:04:54,233 INFO L142 LiptonReduction]: Number of co-enabled transitions 688 [2021-03-26 08:04:54,339 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:04:54,340 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:04:54,340 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 614 [2021-03-26 08:04:54,340 INFO L480 AbstractCegarLoop]: Abstraction has has 794 places, 993 transitions, 28734 flow [2021-03-26 08:04:54,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:54,340 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:04:54,340 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:04:54,340 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable355 [2021-03-26 08:04:54,340 INFO L428 AbstractCegarLoop]: === Iteration 357 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:04:54,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:04:54,340 INFO L82 PathProgramCache]: Analyzing trace with hash -37064963, now seen corresponding path program 9 times [2021-03-26 08:04:54,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:04:54,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894183494] [2021-03-26 08:04:54,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:04:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:04:54,346 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:04:54,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:04:54,350 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:04:54,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:04:54,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:54,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:04:54,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:54,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:04:54,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:54,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:04:54,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:54,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:04:54,401 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:04:54,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:04:54,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:54,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:04:54,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:54,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:04:54,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:54,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:04:54,473 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:04:54,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:04:54,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:04:54,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894183494] [2021-03-26 08:04:54,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:04:54,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:04:54,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378993888] [2021-03-26 08:04:54,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:04:54,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:04:54,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:04:54,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:04:54,475 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 209 [2021-03-26 08:04:54,476 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 794 places, 993 transitions, 28734 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:54,476 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:04:54,476 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 209 [2021-03-26 08:04:54,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:04:55,900 INFO L129 PetriNetUnfolder]: 947/2022 cut-off events. [2021-03-26 08:04:55,900 INFO L130 PetriNetUnfolder]: For 325538/325561 co-relation queries the response was YES. [2021-03-26 08:04:55,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39480 conditions, 2022 events. 947/2022 cut-off events. For 325538/325561 co-relation queries the response was YES. Maximal size of possible extension queue 236. Compared 14835 event pairs, 139 based on Foata normal form. 12/2031 useless extension candidates. Maximal degree in co-relation 39175. Up to 1804 conditions per place. [2021-03-26 08:04:55,947 INFO L132 encePairwiseOnDemand]: 192/209 looper letters, 914 selfloop transitions, 77 changer transitions 4/1003 dead transitions. [2021-03-26 08:04:55,948 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 809 places, 1003 transitions, 31318 flow [2021-03-26 08:04:55,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 08:04:55,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 08:04:55,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 503 transitions. [2021-03-26 08:04:55,950 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15041866028708134 [2021-03-26 08:04:55,950 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 503 transitions. [2021-03-26 08:04:55,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 503 transitions. [2021-03-26 08:04:55,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:04:55,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 503 transitions. [2021-03-26 08:04:55,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.4375) internal successors, (503), 16 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:55,951 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 209.0) internal successors, (3553), 17 states have internal predecessors, (3553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:55,951 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 209.0) internal successors, (3553), 17 states have internal predecessors, (3553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:55,951 INFO L185 Difference]: Start difference. First operand has 794 places, 993 transitions, 28734 flow. Second operand 16 states and 503 transitions. [2021-03-26 08:04:55,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 809 places, 1003 transitions, 31318 flow [2021-03-26 08:04:57,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 801 places, 1003 transitions, 30590 flow, removed 174 selfloop flow, removed 8 redundant places. [2021-03-26 08:04:57,925 INFO L241 Difference]: Finished difference. Result has 803 places, 994 transitions, 28374 flow [2021-03-26 08:04:57,925 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=28006, PETRI_DIFFERENCE_MINUEND_PLACES=786, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=993, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=917, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=28374, PETRI_PLACES=803, PETRI_TRANSITIONS=994} [2021-03-26 08:04:57,925 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 764 predicate places. [2021-03-26 08:04:57,925 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:04:57,925 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 803 places, 994 transitions, 28374 flow [2021-03-26 08:04:57,925 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 803 places, 994 transitions, 28374 flow [2021-03-26 08:04:57,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 801 places, 994 transitions, 28374 flow [2021-03-26 08:04:58,377 INFO L129 PetriNetUnfolder]: 761/1759 cut-off events. [2021-03-26 08:04:58,377 INFO L130 PetriNetUnfolder]: For 269483/269818 co-relation queries the response was YES. [2021-03-26 08:04:58,409 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32603 conditions, 1759 events. 761/1759 cut-off events. For 269483/269818 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 13655 event pairs, 30 based on Foata normal form. 33/1781 useless extension candidates. Maximal degree in co-relation 32295. Up to 516 conditions per place. [2021-03-26 08:04:58,435 INFO L142 LiptonReduction]: Number of co-enabled transitions 688 [2021-03-26 08:04:58,542 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:04:58,542 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:04:58,542 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 617 [2021-03-26 08:04:58,542 INFO L480 AbstractCegarLoop]: Abstraction has has 801 places, 994 transitions, 28374 flow [2021-03-26 08:04:58,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:58,542 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:04:58,542 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:04:58,542 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable356 [2021-03-26 08:04:58,542 INFO L428 AbstractCegarLoop]: === Iteration 358 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:04:58,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:04:58,542 INFO L82 PathProgramCache]: Analyzing trace with hash 641190455, now seen corresponding path program 10 times [2021-03-26 08:04:58,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:04:58,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501381741] [2021-03-26 08:04:58,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:04:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:04:58,552 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:04:58,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:04:58,557 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:04:58,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:04:58,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:58,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:04:58,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:58,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:04:58,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:58,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:04:58,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:58,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:04:58,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:58,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:04:58,628 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:04:58,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:04:58,663 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 08:04:58,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:04:58,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:04:58,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:04:58,720 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:04:58,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:04:58,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:04:58,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501381741] [2021-03-26 08:04:58,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:04:58,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:04:58,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464295276] [2021-03-26 08:04:58,723 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:04:58,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:04:58,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:04:58,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:04:58,724 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 209 [2021-03-26 08:04:58,724 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 801 places, 994 transitions, 28374 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:04:58,724 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:04:58,724 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 209 [2021-03-26 08:04:58,724 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:05:00,304 INFO L129 PetriNetUnfolder]: 946/2012 cut-off events. [2021-03-26 08:05:00,305 INFO L130 PetriNetUnfolder]: For 326180/326210 co-relation queries the response was YES. [2021-03-26 08:05:00,475 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39193 conditions, 2012 events. 946/2012 cut-off events. For 326180/326210 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 14732 event pairs, 134 based on Foata normal form. 19/2028 useless extension candidates. Maximal degree in co-relation 38881. Up to 1784 conditions per place. [2021-03-26 08:05:00,485 INFO L132 encePairwiseOnDemand]: 186/209 looper letters, 862 selfloop transitions, 121 changer transitions 8/999 dead transitions. [2021-03-26 08:05:00,485 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 818 places, 999 transitions, 30477 flow [2021-03-26 08:05:00,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 08:05:00,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 08:05:00,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 562 transitions. [2021-03-26 08:05:00,488 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1493886230728336 [2021-03-26 08:05:00,488 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 562 transitions. [2021-03-26 08:05:00,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 562 transitions. [2021-03-26 08:05:00,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:05:00,488 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 562 transitions. [2021-03-26 08:05:00,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 31.22222222222222) internal successors, (562), 18 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:00,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 209.0) internal successors, (3971), 19 states have internal predecessors, (3971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:00,490 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 209.0) internal successors, (3971), 19 states have internal predecessors, (3971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:00,490 INFO L185 Difference]: Start difference. First operand has 801 places, 994 transitions, 28374 flow. Second operand 18 states and 562 transitions. [2021-03-26 08:05:00,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 818 places, 999 transitions, 30477 flow [2021-03-26 08:05:02,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 807 places, 999 transitions, 30172 flow, removed 115 selfloop flow, removed 11 redundant places. [2021-03-26 08:05:02,495 INFO L241 Difference]: Finished difference. Result has 809 places, 988 transitions, 28283 flow [2021-03-26 08:05:02,495 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=28071, PETRI_DIFFERENCE_MINUEND_PLACES=790, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=994, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=873, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=28283, PETRI_PLACES=809, PETRI_TRANSITIONS=988} [2021-03-26 08:05:02,495 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 770 predicate places. [2021-03-26 08:05:02,495 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:05:02,496 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 809 places, 988 transitions, 28283 flow [2021-03-26 08:05:02,496 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 809 places, 988 transitions, 28283 flow [2021-03-26 08:05:02,504 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 802 places, 988 transitions, 28283 flow [2021-03-26 08:05:02,950 INFO L129 PetriNetUnfolder]: 768/1760 cut-off events. [2021-03-26 08:05:02,950 INFO L130 PetriNetUnfolder]: For 266341/266697 co-relation queries the response was YES. [2021-03-26 08:05:02,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32787 conditions, 1760 events. 768/1760 cut-off events. For 266341/266697 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 13534 event pairs, 30 based on Foata normal form. 26/1772 useless extension candidates. Maximal degree in co-relation 32481. Up to 513 conditions per place. [2021-03-26 08:05:03,009 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 08:05:03,119 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:05:03,119 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:05:03,119 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 624 [2021-03-26 08:05:03,119 INFO L480 AbstractCegarLoop]: Abstraction has has 802 places, 988 transitions, 28283 flow [2021-03-26 08:05:03,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:03,120 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:05:03,120 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:05:03,120 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable357 [2021-03-26 08:05:03,120 INFO L428 AbstractCegarLoop]: === Iteration 359 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:05:03,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:05:03,120 INFO L82 PathProgramCache]: Analyzing trace with hash 643816231, now seen corresponding path program 11 times [2021-03-26 08:05:03,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:05:03,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941040428] [2021-03-26 08:05:03,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:05:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:05:03,136 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:05:03,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:05:03,142 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:05:03,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:05:03,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:03,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:05:03,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:03,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:05:03,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:03,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:05:03,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:03,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:05:03,201 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:05:03,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:05:03,238 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:05:03,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:05:03,279 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 08:05:03,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:05:03,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:03,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:05:03,336 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:05:03,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:05:03,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:05:03,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941040428] [2021-03-26 08:05:03,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:05:03,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:05:03,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023396416] [2021-03-26 08:05:03,339 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:05:03,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:05:03,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:05:03,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:05:03,339 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 209 [2021-03-26 08:05:03,339 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 802 places, 988 transitions, 28283 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:03,339 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:05:03,339 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 209 [2021-03-26 08:05:03,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:05:04,863 INFO L129 PetriNetUnfolder]: 945/2010 cut-off events. [2021-03-26 08:05:04,863 INFO L130 PetriNetUnfolder]: For 320082/320105 co-relation queries the response was YES. [2021-03-26 08:05:04,901 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39073 conditions, 2010 events. 945/2010 cut-off events. For 320082/320105 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 14702 event pairs, 141 based on Foata normal form. 12/2019 useless extension candidates. Maximal degree in co-relation 38763. Up to 1812 conditions per place. [2021-03-26 08:05:04,911 INFO L132 encePairwiseOnDemand]: 189/209 looper letters, 908 selfloop transitions, 74 changer transitions 6/996 dead transitions. [2021-03-26 08:05:04,912 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 817 places, 996 transitions, 30421 flow [2021-03-26 08:05:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 08:05:04,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 08:05:04,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 499 transitions. [2021-03-26 08:05:04,914 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1492224880382775 [2021-03-26 08:05:04,914 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 499 transitions. [2021-03-26 08:05:04,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 499 transitions. [2021-03-26 08:05:04,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:05:04,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 499 transitions. [2021-03-26 08:05:04,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.1875) internal successors, (499), 16 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:04,915 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 209.0) internal successors, (3553), 17 states have internal predecessors, (3553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:04,916 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 209.0) internal successors, (3553), 17 states have internal predecessors, (3553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:04,916 INFO L185 Difference]: Start difference. First operand has 802 places, 988 transitions, 28283 flow. Second operand 16 states and 499 transitions. [2021-03-26 08:05:04,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 817 places, 996 transitions, 30421 flow [2021-03-26 08:05:06,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 798 places, 996 transitions, 30014 flow, removed 4 selfloop flow, removed 19 redundant places. [2021-03-26 08:05:06,979 INFO L241 Difference]: Finished difference. Result has 802 places, 987 transitions, 28007 flow [2021-03-26 08:05:06,979 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=27882, PETRI_DIFFERENCE_MINUEND_PLACES=783, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=988, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=914, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=28007, PETRI_PLACES=802, PETRI_TRANSITIONS=987} [2021-03-26 08:05:06,979 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 763 predicate places. [2021-03-26 08:05:06,979 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:05:06,979 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 802 places, 987 transitions, 28007 flow [2021-03-26 08:05:06,979 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 802 places, 987 transitions, 28007 flow [2021-03-26 08:05:06,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 798 places, 987 transitions, 28007 flow [2021-03-26 08:05:07,499 INFO L129 PetriNetUnfolder]: 764/1751 cut-off events. [2021-03-26 08:05:07,499 INFO L130 PetriNetUnfolder]: For 264649/265045 co-relation queries the response was YES. [2021-03-26 08:05:07,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32507 conditions, 1751 events. 764/1751 cut-off events. For 264649/265045 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 13472 event pairs, 26 based on Foata normal form. 34/1769 useless extension candidates. Maximal degree in co-relation 32213. Up to 511 conditions per place. [2021-03-26 08:05:07,560 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 08:05:07,655 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:05:07,655 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:05:07,655 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 676 [2021-03-26 08:05:07,656 INFO L480 AbstractCegarLoop]: Abstraction has has 798 places, 987 transitions, 28007 flow [2021-03-26 08:05:07,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:07,656 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:05:07,656 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:05:07,656 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable358 [2021-03-26 08:05:07,656 INFO L428 AbstractCegarLoop]: === Iteration 360 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:05:07,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:05:07,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1850547147, now seen corresponding path program 12 times [2021-03-26 08:05:07,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:05:07,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179910442] [2021-03-26 08:05:07,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:05:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:05:07,662 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:05:07,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:05:07,667 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:05:07,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:05:07,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:07,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:05:07,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:07,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:05:07,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:07,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:05:07,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:07,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:05:07,728 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:05:07,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:05:07,762 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 08:05:07,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 08:05:07,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:07,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:05:07,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:07,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:05:07,837 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:05:07,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:05:07,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:05:07,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179910442] [2021-03-26 08:05:07,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:05:07,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:05:07,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376487295] [2021-03-26 08:05:07,840 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:05:07,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:05:07,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:05:07,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:05:07,841 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 209 [2021-03-26 08:05:07,841 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 798 places, 987 transitions, 28007 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:07,841 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:05:07,841 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 209 [2021-03-26 08:05:07,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:05:09,355 INFO L129 PetriNetUnfolder]: 943/2001 cut-off events. [2021-03-26 08:05:09,355 INFO L130 PetriNetUnfolder]: For 319102/319106 co-relation queries the response was YES. [2021-03-26 08:05:09,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38839 conditions, 2001 events. 943/2001 cut-off events. For 319102/319106 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 14595 event pairs, 138 based on Foata normal form. 5/2003 useless extension candidates. Maximal degree in co-relation 38543. Up to 1749 conditions per place. [2021-03-26 08:05:09,403 INFO L132 encePairwiseOnDemand]: 186/209 looper letters, 844 selfloop transitions, 138 changer transitions 3/993 dead transitions. [2021-03-26 08:05:09,403 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 812 places, 993 transitions, 30175 flow [2021-03-26 08:05:09,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 08:05:09,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 08:05:09,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 481 transitions. [2021-03-26 08:05:09,405 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15342902711323764 [2021-03-26 08:05:09,405 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 481 transitions. [2021-03-26 08:05:09,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 481 transitions. [2021-03-26 08:05:09,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:05:09,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 481 transitions. [2021-03-26 08:05:09,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.06666666666667) internal successors, (481), 15 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:09,406 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 209.0) internal successors, (3344), 16 states have internal predecessors, (3344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:09,406 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 209.0) internal successors, (3344), 16 states have internal predecessors, (3344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:09,407 INFO L185 Difference]: Start difference. First operand has 798 places, 987 transitions, 28007 flow. Second operand 15 states and 481 transitions. [2021-03-26 08:05:09,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 812 places, 993 transitions, 30175 flow [2021-03-26 08:05:11,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 796 places, 993 transitions, 29990 flow, removed 15 selfloop flow, removed 16 redundant places. [2021-03-26 08:05:11,414 INFO L241 Difference]: Finished difference. Result has 798 places, 986 transitions, 28107 flow [2021-03-26 08:05:11,414 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=27826, PETRI_DIFFERENCE_MINUEND_PLACES=782, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=987, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=849, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=28107, PETRI_PLACES=798, PETRI_TRANSITIONS=986} [2021-03-26 08:05:11,414 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 759 predicate places. [2021-03-26 08:05:11,414 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:05:11,414 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 798 places, 986 transitions, 28107 flow [2021-03-26 08:05:11,414 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 798 places, 986 transitions, 28107 flow [2021-03-26 08:05:11,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 796 places, 986 transitions, 28107 flow [2021-03-26 08:05:11,866 INFO L129 PetriNetUnfolder]: 761/1747 cut-off events. [2021-03-26 08:05:11,866 INFO L130 PetriNetUnfolder]: For 261728/262059 co-relation queries the response was YES. [2021-03-26 08:05:11,898 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32420 conditions, 1747 events. 761/1747 cut-off events. For 261728/262059 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 13458 event pairs, 28 based on Foata normal form. 27/1760 useless extension candidates. Maximal degree in co-relation 32116. Up to 508 conditions per place. [2021-03-26 08:05:11,923 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 08:05:12,030 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:05:12,030 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:05:12,030 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 616 [2021-03-26 08:05:12,030 INFO L480 AbstractCegarLoop]: Abstraction has has 796 places, 986 transitions, 28107 flow [2021-03-26 08:05:12,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:12,031 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:05:12,031 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:05:12,031 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable359 [2021-03-26 08:05:12,031 INFO L428 AbstractCegarLoop]: === Iteration 361 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:05:12,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:05:12,031 INFO L82 PathProgramCache]: Analyzing trace with hash 165152130, now seen corresponding path program 42 times [2021-03-26 08:05:12,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:05:12,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022655590] [2021-03-26 08:05:12,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:05:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:05:12,036 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:05:12,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:05:12,042 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:05:12,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:05:12,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:12,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:05:12,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:12,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:05:12,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:12,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:05:12,083 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 08:05:12,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:05:12,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:12,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:05:12,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:12,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:05:12,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:12,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:05:12,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:12,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:05:12,173 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:05:12,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:05:12,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:05:12,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022655590] [2021-03-26 08:05:12,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:05:12,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:05:12,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043113737] [2021-03-26 08:05:12,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:05:12,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:05:12,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:05:12,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:05:12,176 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 209 [2021-03-26 08:05:12,177 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 796 places, 986 transitions, 28107 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:12,177 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:05:12,177 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 209 [2021-03-26 08:05:12,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:05:13,805 INFO L129 PetriNetUnfolder]: 942/2001 cut-off events. [2021-03-26 08:05:13,806 INFO L130 PetriNetUnfolder]: For 313514/313518 co-relation queries the response was YES. [2021-03-26 08:05:13,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38862 conditions, 2001 events. 942/2001 cut-off events. For 313514/313518 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 14513 event pairs, 142 based on Foata normal form. 5/2003 useless extension candidates. Maximal degree in co-relation 38554. Up to 1687 conditions per place. [2021-03-26 08:05:13,854 INFO L132 encePairwiseOnDemand]: 185/209 looper letters, 818 selfloop transitions, 176 changer transitions 5/1007 dead transitions. [2021-03-26 08:05:13,854 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 815 places, 1007 transitions, 31157 flow [2021-03-26 08:05:13,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 08:05:13,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 08:05:13,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 641 transitions. [2021-03-26 08:05:13,856 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1533492822966507 [2021-03-26 08:05:13,856 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 641 transitions. [2021-03-26 08:05:13,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 641 transitions. [2021-03-26 08:05:13,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:05:13,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 641 transitions. [2021-03-26 08:05:13,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 32.05) internal successors, (641), 20 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:13,858 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 209.0) internal successors, (4389), 21 states have internal predecessors, (4389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:13,858 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 209.0) internal successors, (4389), 21 states have internal predecessors, (4389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:13,858 INFO L185 Difference]: Start difference. First operand has 796 places, 986 transitions, 28107 flow. Second operand 20 states and 641 transitions. [2021-03-26 08:05:13,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 815 places, 1007 transitions, 31157 flow [2021-03-26 08:05:15,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 801 places, 1007 transitions, 30839 flow, removed 17 selfloop flow, removed 14 redundant places. [2021-03-26 08:05:15,716 INFO L241 Difference]: Finished difference. Result has 804 places, 987 transitions, 28299 flow [2021-03-26 08:05:15,717 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=27801, PETRI_DIFFERENCE_MINUEND_PLACES=782, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=986, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=810, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=28299, PETRI_PLACES=804, PETRI_TRANSITIONS=987} [2021-03-26 08:05:15,717 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 765 predicate places. [2021-03-26 08:05:15,717 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:05:15,717 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 804 places, 987 transitions, 28299 flow [2021-03-26 08:05:15,717 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 804 places, 987 transitions, 28299 flow [2021-03-26 08:05:15,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 803 places, 987 transitions, 28299 flow [2021-03-26 08:05:16,166 INFO L129 PetriNetUnfolder]: 762/1750 cut-off events. [2021-03-26 08:05:16,166 INFO L130 PetriNetUnfolder]: For 266150/266586 co-relation queries the response was YES. [2021-03-26 08:05:16,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32612 conditions, 1750 events. 762/1750 cut-off events. For 266150/266586 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 13374 event pairs, 26 based on Foata normal form. 29/1762 useless extension candidates. Maximal degree in co-relation 32308. Up to 513 conditions per place. [2021-03-26 08:05:16,226 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 08:05:16,332 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:05:16,332 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:05:16,332 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 615 [2021-03-26 08:05:16,332 INFO L480 AbstractCegarLoop]: Abstraction has has 803 places, 987 transitions, 28299 flow [2021-03-26 08:05:16,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:16,332 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:05:16,332 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:05:16,332 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable360 [2021-03-26 08:05:16,332 INFO L428 AbstractCegarLoop]: === Iteration 362 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:05:16,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:05:16,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1002308980, now seen corresponding path program 1 times [2021-03-26 08:05:16,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:05:16,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897265759] [2021-03-26 08:05:16,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:05:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:05:16,338 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:05:16,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:05:16,344 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:05:16,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:05:16,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:16,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:05:16,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:16,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:05:16,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:16,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:05:16,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:16,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:05:16,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:16,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:05:16,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:16,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:05:16,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:16,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:05:16,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:16,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:05:16,444 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:05:16,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:05:16,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:05:16,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897265759] [2021-03-26 08:05:16,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:05:16,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:05:16,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243992202] [2021-03-26 08:05:16,447 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:05:16,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:05:16,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:05:16,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:05:16,447 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 209 [2021-03-26 08:05:16,448 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 803 places, 987 transitions, 28299 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:16,448 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:05:16,448 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 209 [2021-03-26 08:05:16,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:05:18,011 INFO L129 PetriNetUnfolder]: 944/2012 cut-off events. [2021-03-26 08:05:18,011 INFO L130 PetriNetUnfolder]: For 321076/321099 co-relation queries the response was YES. [2021-03-26 08:05:18,050 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39242 conditions, 2012 events. 944/2012 cut-off events. For 321076/321099 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 14694 event pairs, 138 based on Foata normal form. 12/2021 useless extension candidates. Maximal degree in co-relation 38934. Up to 1747 conditions per place. [2021-03-26 08:05:18,061 INFO L132 encePairwiseOnDemand]: 185/209 looper letters, 824 selfloop transitions, 163 changer transitions 5/1000 dead transitions. [2021-03-26 08:05:18,061 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 818 places, 1000 transitions, 31093 flow [2021-03-26 08:05:18,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 08:05:18,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 08:05:18,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 513 transitions. [2021-03-26 08:05:18,063 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1534090909090909 [2021-03-26 08:05:18,063 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 513 transitions. [2021-03-26 08:05:18,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 513 transitions. [2021-03-26 08:05:18,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:05:18,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 513 transitions. [2021-03-26 08:05:18,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.0625) internal successors, (513), 16 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:18,065 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 209.0) internal successors, (3553), 17 states have internal predecessors, (3553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:18,065 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 209.0) internal successors, (3553), 17 states have internal predecessors, (3553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:18,065 INFO L185 Difference]: Start difference. First operand has 803 places, 987 transitions, 28299 flow. Second operand 16 states and 513 transitions. [2021-03-26 08:05:18,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 818 places, 1000 transitions, 31093 flow [2021-03-26 08:05:20,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 806 places, 1000 transitions, 30750 flow, removed 58 selfloop flow, removed 12 redundant places. [2021-03-26 08:05:20,144 INFO L241 Difference]: Finished difference. Result has 814 places, 992 transitions, 28474 flow [2021-03-26 08:05:20,144 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=27960, PETRI_DIFFERENCE_MINUEND_PLACES=791, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=987, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=158, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=824, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=28474, PETRI_PLACES=814, PETRI_TRANSITIONS=992} [2021-03-26 08:05:20,144 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 775 predicate places. [2021-03-26 08:05:20,144 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:05:20,144 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 814 places, 992 transitions, 28474 flow [2021-03-26 08:05:20,144 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 814 places, 992 transitions, 28474 flow [2021-03-26 08:05:20,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 810 places, 992 transitions, 28474 flow [2021-03-26 08:05:20,602 INFO L129 PetriNetUnfolder]: 765/1754 cut-off events. [2021-03-26 08:05:20,602 INFO L130 PetriNetUnfolder]: For 280306/280769 co-relation queries the response was YES. [2021-03-26 08:05:20,639 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32905 conditions, 1754 events. 765/1754 cut-off events. For 280306/280769 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 13563 event pairs, 40 based on Foata normal form. 36/1772 useless extension candidates. Maximal degree in co-relation 32595. Up to 522 conditions per place. [2021-03-26 08:05:20,665 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 08:05:20,775 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:05:20,775 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:05:20,775 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 631 [2021-03-26 08:05:20,776 INFO L480 AbstractCegarLoop]: Abstraction has has 810 places, 992 transitions, 28474 flow [2021-03-26 08:05:20,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:20,776 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:05:20,776 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:05:20,776 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable361 [2021-03-26 08:05:20,776 INFO L428 AbstractCegarLoop]: === Iteration 363 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:05:20,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:05:20,776 INFO L82 PathProgramCache]: Analyzing trace with hash -2025726429, now seen corresponding path program 4 times [2021-03-26 08:05:20,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:05:20,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113087856] [2021-03-26 08:05:20,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:05:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:05:20,784 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:05:20,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:05:20,789 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:05:20,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:05:20,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:20,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:05:20,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:20,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:05:20,820 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 08:05:20,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 08:05:20,839 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 08:05:20,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 08:05:20,857 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 08:05:20,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 08:05:20,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:20,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:05:20,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:20,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:05:20,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:20,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:05:20,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:20,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:05:20,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:05:20,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113087856] [2021-03-26 08:05:20,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:05:20,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:05:20,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341018987] [2021-03-26 08:05:20,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:05:20,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:05:20,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:05:20,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:05:20,908 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 209 [2021-03-26 08:05:20,908 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 810 places, 992 transitions, 28474 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:20,908 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:05:20,908 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 209 [2021-03-26 08:05:20,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:05:22,483 INFO L129 PetriNetUnfolder]: 944/2009 cut-off events. [2021-03-26 08:05:22,483 INFO L130 PetriNetUnfolder]: For 331147/331151 co-relation queries the response was YES. [2021-03-26 08:05:22,521 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39502 conditions, 2009 events. 944/2009 cut-off events. For 331147/331151 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 14666 event pairs, 129 based on Foata normal form. 5/2011 useless extension candidates. Maximal degree in co-relation 39188. Up to 1637 conditions per place. [2021-03-26 08:05:22,531 INFO L132 encePairwiseOnDemand]: 181/209 looper letters, 734 selfloop transitions, 271 changer transitions 7/1020 dead transitions. [2021-03-26 08:05:22,531 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 827 places, 1020 transitions, 31797 flow [2021-03-26 08:05:22,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 08:05:22,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 08:05:22,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 582 transitions. [2021-03-26 08:05:22,533 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1547049441786284 [2021-03-26 08:05:22,533 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 582 transitions. [2021-03-26 08:05:22,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 582 transitions. [2021-03-26 08:05:22,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:05:22,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 582 transitions. [2021-03-26 08:05:22,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 32.333333333333336) internal successors, (582), 18 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:22,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 209.0) internal successors, (3971), 19 states have internal predecessors, (3971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:22,535 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 209.0) internal successors, (3971), 19 states have internal predecessors, (3971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:22,535 INFO L185 Difference]: Start difference. First operand has 810 places, 992 transitions, 28474 flow. Second operand 18 states and 582 transitions. [2021-03-26 08:05:22,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 827 places, 1020 transitions, 31797 flow [2021-03-26 08:05:24,649 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 816 places, 1020 transitions, 31361 flow, removed 63 selfloop flow, removed 11 redundant places. [2021-03-26 08:05:24,667 INFO L241 Difference]: Finished difference. Result has 818 places, 998 transitions, 29093 flow [2021-03-26 08:05:24,668 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=28050, PETRI_DIFFERENCE_MINUEND_PLACES=799, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=992, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=267, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=724, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=29093, PETRI_PLACES=818, PETRI_TRANSITIONS=998} [2021-03-26 08:05:24,668 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 779 predicate places. [2021-03-26 08:05:24,668 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:05:24,668 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 818 places, 998 transitions, 29093 flow [2021-03-26 08:05:24,668 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 818 places, 998 transitions, 29093 flow [2021-03-26 08:05:24,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 817 places, 998 transitions, 29093 flow [2021-03-26 08:05:25,130 INFO L129 PetriNetUnfolder]: 762/1761 cut-off events. [2021-03-26 08:05:25,130 INFO L130 PetriNetUnfolder]: For 277342/277734 co-relation queries the response was YES. [2021-03-26 08:05:25,163 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33042 conditions, 1761 events. 762/1761 cut-off events. For 277342/277734 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 13659 event pairs, 29 based on Foata normal form. 27/1775 useless extension candidates. Maximal degree in co-relation 32734. Up to 518 conditions per place. [2021-03-26 08:05:25,260 INFO L142 LiptonReduction]: Number of co-enabled transitions 684 [2021-03-26 08:05:25,365 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:05:25,366 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:05:25,366 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 698 [2021-03-26 08:05:25,366 INFO L480 AbstractCegarLoop]: Abstraction has has 817 places, 998 transitions, 29093 flow [2021-03-26 08:05:25,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:25,366 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:05:25,366 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:05:25,366 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable362 [2021-03-26 08:05:25,366 INFO L428 AbstractCegarLoop]: === Iteration 364 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:05:25,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:05:25,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1686722916, now seen corresponding path program 4 times [2021-03-26 08:05:25,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:05:25,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162638326] [2021-03-26 08:05:25,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:05:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:05:25,372 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:05:25,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:05:25,377 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:05:25,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:05:25,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:25,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:05:25,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:25,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:05:25,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:25,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:05:25,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:25,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:05:25,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:25,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:05:25,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:25,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:05:25,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:25,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:05:25,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:25,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:05:25,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:25,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:05:25,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:05:25,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162638326] [2021-03-26 08:05:25,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:05:25,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:05:25,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385556092] [2021-03-26 08:05:25,470 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:05:25,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:05:25,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:05:25,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:05:25,471 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 209 [2021-03-26 08:05:25,471 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 817 places, 998 transitions, 29093 flow. Second operand has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:25,471 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:05:25,471 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 209 [2021-03-26 08:05:25,471 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:05:27,043 INFO L129 PetriNetUnfolder]: 944/2015 cut-off events. [2021-03-26 08:05:27,043 INFO L130 PetriNetUnfolder]: For 334110/334114 co-relation queries the response was YES. [2021-03-26 08:05:27,081 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39799 conditions, 2015 events. 944/2015 cut-off events. For 334110/334114 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 14765 event pairs, 139 based on Foata normal form. 5/2017 useless extension candidates. Maximal degree in co-relation 39487. Up to 1714 conditions per place. [2021-03-26 08:05:27,092 INFO L132 encePairwiseOnDemand]: 182/209 looper letters, 774 selfloop transitions, 224 changer transitions 2/1008 dead transitions. [2021-03-26 08:05:27,093 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 830 places, 1008 transitions, 31553 flow [2021-03-26 08:05:27,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 08:05:27,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 08:05:27,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 464 transitions. [2021-03-26 08:05:27,094 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15857826384142173 [2021-03-26 08:05:27,094 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 464 transitions. [2021-03-26 08:05:27,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 464 transitions. [2021-03-26 08:05:27,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:05:27,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 464 transitions. [2021-03-26 08:05:27,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 33.142857142857146) internal successors, (464), 14 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:27,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 209.0) internal successors, (3135), 15 states have internal predecessors, (3135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:27,096 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 209.0) internal successors, (3135), 15 states have internal predecessors, (3135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:27,096 INFO L185 Difference]: Start difference. First operand has 817 places, 998 transitions, 29093 flow. Second operand 14 states and 464 transitions. [2021-03-26 08:05:27,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 830 places, 1008 transitions, 31553 flow [2021-03-26 08:05:29,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 821 places, 1008 transitions, 31019 flow, removed 135 selfloop flow, removed 9 redundant places. [2021-03-26 08:05:29,213 INFO L241 Difference]: Finished difference. Result has 825 places, 1002 transitions, 29349 flow [2021-03-26 08:05:29,213 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=28559, PETRI_DIFFERENCE_MINUEND_PLACES=808, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=998, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=221, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=775, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=29349, PETRI_PLACES=825, PETRI_TRANSITIONS=1002} [2021-03-26 08:05:29,213 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 786 predicate places. [2021-03-26 08:05:29,213 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:05:29,213 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 825 places, 1002 transitions, 29349 flow [2021-03-26 08:05:29,213 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 825 places, 1002 transitions, 29349 flow [2021-03-26 08:05:29,223 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 824 places, 1002 transitions, 29349 flow [2021-03-26 08:05:29,672 INFO L129 PetriNetUnfolder]: 764/1761 cut-off events. [2021-03-26 08:05:29,672 INFO L130 PetriNetUnfolder]: For 283964/284328 co-relation queries the response was YES. [2021-03-26 08:05:29,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33459 conditions, 1761 events. 764/1761 cut-off events. For 283964/284328 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 13653 event pairs, 28 based on Foata normal form. 28/1776 useless extension candidates. Maximal degree in co-relation 33148. Up to 516 conditions per place. [2021-03-26 08:05:29,730 INFO L142 LiptonReduction]: Number of co-enabled transitions 684 [2021-03-26 08:05:29,841 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:05:29,841 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:05:29,841 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 628 [2021-03-26 08:05:29,842 INFO L480 AbstractCegarLoop]: Abstraction has has 824 places, 1002 transitions, 29349 flow [2021-03-26 08:05:29,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:29,842 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:05:29,842 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:05:29,842 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable363 [2021-03-26 08:05:29,842 INFO L428 AbstractCegarLoop]: === Iteration 365 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:05:29,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:05:29,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1594325255, now seen corresponding path program 3 times [2021-03-26 08:05:29,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:05:29,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73745539] [2021-03-26 08:05:29,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:05:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:05:29,847 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:05:29,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:05:29,853 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:05:29,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:05:29,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:29,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:05:29,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:29,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:05:29,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:29,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:05:29,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:29,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:05:29,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:29,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:05:29,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:29,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:05:29,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:29,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:05:29,935 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 08:05:29,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:05:29,939 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:05:29,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:05:29,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:05:29,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73745539] [2021-03-26 08:05:29,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:05:29,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:05:29,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732406336] [2021-03-26 08:05:29,942 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:05:29,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:05:29,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:05:29,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:05:29,943 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 209 [2021-03-26 08:05:29,943 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 824 places, 1002 transitions, 29349 flow. Second operand has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:29,943 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:05:29,943 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 209 [2021-03-26 08:05:29,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:05:31,611 INFO L129 PetriNetUnfolder]: 946/2024 cut-off events. [2021-03-26 08:05:31,611 INFO L130 PetriNetUnfolder]: For 344705/344735 co-relation queries the response was YES. [2021-03-26 08:05:31,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40299 conditions, 2024 events. 946/2024 cut-off events. For 344705/344735 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 14919 event pairs, 140 based on Foata normal form. 19/2040 useless extension candidates. Maximal degree in co-relation 39984. Up to 1780 conditions per place. [2021-03-26 08:05:31,655 INFO L132 encePairwiseOnDemand]: 185/209 looper letters, 850 selfloop transitions, 155 changer transitions 4/1017 dead transitions. [2021-03-26 08:05:31,655 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 842 places, 1017 transitions, 32295 flow [2021-03-26 08:05:31,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 08:05:31,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 08:05:31,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 603 transitions. [2021-03-26 08:05:31,656 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15185091916393856 [2021-03-26 08:05:31,656 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 603 transitions. [2021-03-26 08:05:31,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 603 transitions. [2021-03-26 08:05:31,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:05:31,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 603 transitions. [2021-03-26 08:05:31,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 31.736842105263158) internal successors, (603), 19 states have internal predecessors, (603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:31,658 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 209.0) internal successors, (4180), 20 states have internal predecessors, (4180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:31,658 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 209.0) internal successors, (4180), 20 states have internal predecessors, (4180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:31,658 INFO L185 Difference]: Start difference. First operand has 824 places, 1002 transitions, 29349 flow. Second operand 19 states and 603 transitions. [2021-03-26 08:05:31,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 842 places, 1017 transitions, 32295 flow [2021-03-26 08:05:33,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 832 places, 1017 transitions, 31860 flow, removed 51 selfloop flow, removed 10 redundant places. [2021-03-26 08:05:34,006 INFO L241 Difference]: Finished difference. Result has 838 places, 1010 transitions, 29812 flow [2021-03-26 08:05:34,006 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=28914, PETRI_DIFFERENCE_MINUEND_PLACES=814, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1002, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=148, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=852, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=29812, PETRI_PLACES=838, PETRI_TRANSITIONS=1010} [2021-03-26 08:05:34,006 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 799 predicate places. [2021-03-26 08:05:34,006 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:05:34,006 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 838 places, 1010 transitions, 29812 flow [2021-03-26 08:05:34,006 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 838 places, 1010 transitions, 29812 flow [2021-03-26 08:05:34,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 836 places, 1010 transitions, 29812 flow [2021-03-26 08:05:34,514 INFO L129 PetriNetUnfolder]: 766/1765 cut-off events. [2021-03-26 08:05:34,514 INFO L130 PetriNetUnfolder]: For 301393/301850 co-relation queries the response was YES. [2021-03-26 08:05:34,567 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34014 conditions, 1765 events. 766/1765 cut-off events. For 301393/301850 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 13705 event pairs, 35 based on Foata normal form. 27/1775 useless extension candidates. Maximal degree in co-relation 33697. Up to 521 conditions per place. [2021-03-26 08:05:34,605 INFO L142 LiptonReduction]: Number of co-enabled transitions 682 [2021-03-26 08:05:34,735 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:05:34,735 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:05:34,735 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 729 [2021-03-26 08:05:34,736 INFO L480 AbstractCegarLoop]: Abstraction has has 836 places, 1010 transitions, 29812 flow [2021-03-26 08:05:34,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:34,736 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:05:34,736 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:05:34,736 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable364 [2021-03-26 08:05:34,736 INFO L428 AbstractCegarLoop]: === Iteration 366 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:05:34,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:05:34,736 INFO L82 PathProgramCache]: Analyzing trace with hash -336683508, now seen corresponding path program 5 times [2021-03-26 08:05:34,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:05:34,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264696043] [2021-03-26 08:05:34,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:05:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:05:34,744 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:05:34,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:05:34,749 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:05:34,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:05:34,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:34,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:05:34,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:34,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:05:34,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:34,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:05:34,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:34,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:05:34,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:34,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:05:34,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:34,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:05:34,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:34,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:05:34,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:34,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:05:34,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:34,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:05:34,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:05:34,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264696043] [2021-03-26 08:05:34,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:05:34,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:05:34,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053545410] [2021-03-26 08:05:34,841 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:05:34,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:05:34,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:05:34,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:05:34,841 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 209 [2021-03-26 08:05:34,841 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 836 places, 1010 transitions, 29812 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:34,841 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:05:34,841 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 209 [2021-03-26 08:05:34,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:05:36,393 INFO L129 PetriNetUnfolder]: 943/2022 cut-off events. [2021-03-26 08:05:36,394 INFO L130 PetriNetUnfolder]: For 360362/360385 co-relation queries the response was YES. [2021-03-26 08:05:36,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40779 conditions, 2022 events. 943/2022 cut-off events. For 360362/360385 co-relation queries the response was YES. Maximal size of possible extension queue 236. Compared 14850 event pairs, 117 based on Foata normal form. 12/2031 useless extension candidates. Maximal degree in co-relation 40458. Up to 1638 conditions per place. [2021-03-26 08:05:36,443 INFO L132 encePairwiseOnDemand]: 179/209 looper letters, 702 selfloop transitions, 309 changer transitions 3/1022 dead transitions. [2021-03-26 08:05:36,444 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 850 places, 1022 transitions, 32672 flow [2021-03-26 08:05:36,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 08:05:36,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 08:05:36,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 500 transitions. [2021-03-26 08:05:36,445 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1594896331738437 [2021-03-26 08:05:36,445 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 500 transitions. [2021-03-26 08:05:36,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 500 transitions. [2021-03-26 08:05:36,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:05:36,446 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 500 transitions. [2021-03-26 08:05:36,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.333333333333336) internal successors, (500), 15 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:36,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 209.0) internal successors, (3344), 16 states have internal predecessors, (3344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:36,447 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 209.0) internal successors, (3344), 16 states have internal predecessors, (3344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:36,447 INFO L185 Difference]: Start difference. First operand has 836 places, 1010 transitions, 29812 flow. Second operand 15 states and 500 transitions. [2021-03-26 08:05:36,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 850 places, 1022 transitions, 32672 flow [2021-03-26 08:05:38,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 840 places, 1022 transitions, 32156 flow, removed 182 selfloop flow, removed 10 redundant places. [2021-03-26 08:05:38,937 INFO L241 Difference]: Finished difference. Result has 843 places, 1011 transitions, 30128 flow [2021-03-26 08:05:38,937 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=29296, PETRI_DIFFERENCE_MINUEND_PLACES=826, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1010, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=307, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=701, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=30128, PETRI_PLACES=843, PETRI_TRANSITIONS=1011} [2021-03-26 08:05:38,937 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 804 predicate places. [2021-03-26 08:05:38,937 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:05:38,937 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 843 places, 1011 transitions, 30128 flow [2021-03-26 08:05:38,937 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 843 places, 1011 transitions, 30128 flow [2021-03-26 08:05:38,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 843 places, 1011 transitions, 30128 flow [2021-03-26 08:05:39,412 INFO L129 PetriNetUnfolder]: 766/1774 cut-off events. [2021-03-26 08:05:39,412 INFO L130 PetriNetUnfolder]: For 309275/309728 co-relation queries the response was YES. [2021-03-26 08:05:39,446 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34433 conditions, 1774 events. 766/1774 cut-off events. For 309275/309728 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 13806 event pairs, 30 based on Foata normal form. 23/1780 useless extension candidates. Maximal degree in co-relation 34114. Up to 513 conditions per place. [2021-03-26 08:05:39,472 INFO L142 LiptonReduction]: Number of co-enabled transitions 682 [2021-03-26 08:05:39,586 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:05:39,586 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:05:39,586 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 649 [2021-03-26 08:05:39,587 INFO L480 AbstractCegarLoop]: Abstraction has has 843 places, 1011 transitions, 30128 flow [2021-03-26 08:05:39,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:39,587 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:05:39,587 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:05:39,587 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable365 [2021-03-26 08:05:39,587 INFO L428 AbstractCegarLoop]: === Iteration 367 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:05:39,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:05:39,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1771250112, now seen corresponding path program 6 times [2021-03-26 08:05:39,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:05:39,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052152302] [2021-03-26 08:05:39,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:05:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:05:39,592 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:05:39,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:05:39,598 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:05:39,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:05:39,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:39,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:05:39,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:39,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:05:39,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:39,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:05:39,640 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 08:05:39,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 08:05:39,658 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 08:05:39,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 08:05:39,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:39,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:05:39,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:39,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:05:39,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:39,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:05:39,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:39,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:05:39,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:05:39,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052152302] [2021-03-26 08:05:39,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:05:39,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:05:39,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908698760] [2021-03-26 08:05:39,711 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:05:39,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:05:39,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:05:39,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:05:39,712 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 209 [2021-03-26 08:05:39,712 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 843 places, 1011 transitions, 30128 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:39,712 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:05:39,712 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 209 [2021-03-26 08:05:39,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:05:41,384 INFO L129 PetriNetUnfolder]: 946/2035 cut-off events. [2021-03-26 08:05:41,384 INFO L130 PetriNetUnfolder]: For 375183/375206 co-relation queries the response was YES. [2021-03-26 08:05:41,423 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41507 conditions, 2035 events. 946/2035 cut-off events. For 375183/375206 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 15058 event pairs, 118 based on Foata normal form. 12/2044 useless extension candidates. Maximal degree in co-relation 41184. Up to 1647 conditions per place. [2021-03-26 08:05:41,434 INFO L132 encePairwiseOnDemand]: 182/209 looper letters, 744 selfloop transitions, 282 changer transitions 8/1042 dead transitions. [2021-03-26 08:05:41,434 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 859 places, 1042 transitions, 33989 flow [2021-03-26 08:05:41,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 08:05:41,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 08:05:41,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 557 transitions. [2021-03-26 08:05:41,436 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15676892766676048 [2021-03-26 08:05:41,436 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 557 transitions. [2021-03-26 08:05:41,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 557 transitions. [2021-03-26 08:05:41,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:05:41,436 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 557 transitions. [2021-03-26 08:05:41,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.76470588235294) internal successors, (557), 17 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:41,437 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 209.0) internal successors, (3762), 18 states have internal predecessors, (3762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:41,437 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 209.0) internal successors, (3762), 18 states have internal predecessors, (3762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:41,437 INFO L185 Difference]: Start difference. First operand has 843 places, 1011 transitions, 30128 flow. Second operand 17 states and 557 transitions. [2021-03-26 08:05:41,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 859 places, 1042 transitions, 33989 flow [2021-03-26 08:05:43,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 846 places, 1042 transitions, 33330 flow, removed 45 selfloop flow, removed 13 redundant places. [2021-03-26 08:05:43,878 INFO L241 Difference]: Finished difference. Result has 850 places, 1025 transitions, 31088 flow [2021-03-26 08:05:43,878 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=29489, PETRI_DIFFERENCE_MINUEND_PLACES=830, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1011, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=269, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=739, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=31088, PETRI_PLACES=850, PETRI_TRANSITIONS=1025} [2021-03-26 08:05:43,879 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 811 predicate places. [2021-03-26 08:05:43,879 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:05:43,879 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 850 places, 1025 transitions, 31088 flow [2021-03-26 08:05:43,879 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 850 places, 1025 transitions, 31088 flow [2021-03-26 08:05:43,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 849 places, 1025 transitions, 31088 flow [2021-03-26 08:05:44,399 INFO L129 PetriNetUnfolder]: 767/1773 cut-off events. [2021-03-26 08:05:44,399 INFO L130 PetriNetUnfolder]: For 317667/318114 co-relation queries the response was YES. [2021-03-26 08:05:44,430 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34864 conditions, 1773 events. 767/1773 cut-off events. For 317667/318114 co-relation queries the response was YES. Maximal size of possible extension queue 236. Compared 13790 event pairs, 28 based on Foata normal form. 38/1795 useless extension candidates. Maximal degree in co-relation 34543. Up to 517 conditions per place. [2021-03-26 08:05:44,457 INFO L142 LiptonReduction]: Number of co-enabled transitions 680 [2021-03-26 08:05:44,559 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:05:44,559 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:05:44,559 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 680 [2021-03-26 08:05:44,559 INFO L480 AbstractCegarLoop]: Abstraction has has 849 places, 1025 transitions, 31088 flow [2021-03-26 08:05:44,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:44,559 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:05:44,559 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:05:44,560 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable366 [2021-03-26 08:05:44,560 INFO L428 AbstractCegarLoop]: === Iteration 368 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:05:44,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:05:44,560 INFO L82 PathProgramCache]: Analyzing trace with hash -835860080, now seen corresponding path program 43 times [2021-03-26 08:05:44,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:05:44,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250789013] [2021-03-26 08:05:44,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:05:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:05:44,565 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:05:44,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:05:44,571 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:05:44,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:05:44,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:44,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:05:44,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:44,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:05:44,601 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 08:05:44,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 08:05:44,626 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 08:05:44,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:05:44,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:44,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:05:44,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:44,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:05:44,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:44,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:05:44,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:44,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:05:44,716 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:05:44,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:05:44,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:05:44,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250789013] [2021-03-26 08:05:44,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:05:44,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:05:44,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448908051] [2021-03-26 08:05:44,719 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:05:44,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:05:44,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:05:44,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:05:44,720 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 209 [2021-03-26 08:05:44,720 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 849 places, 1025 transitions, 31088 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:44,720 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:05:44,720 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 209 [2021-03-26 08:05:44,720 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:05:46,518 INFO L129 PetriNetUnfolder]: 945/2031 cut-off events. [2021-03-26 08:05:46,518 INFO L130 PetriNetUnfolder]: For 392895/392935 co-relation queries the response was YES. [2021-03-26 08:05:46,558 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42077 conditions, 2031 events. 945/2031 cut-off events. For 392895/392935 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 15046 event pairs, 139 based on Foata normal form. 13/2040 useless extension candidates. Maximal degree in co-relation 41752. Up to 1745 conditions per place. [2021-03-26 08:05:46,569 INFO L132 encePairwiseOnDemand]: 182/209 looper letters, 866 selfloop transitions, 168 changer transitions 3/1045 dead transitions. [2021-03-26 08:05:46,569 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 870 places, 1045 transitions, 34162 flow [2021-03-26 08:05:46,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-26 08:05:46,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-26 08:05:46,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 684 transitions. [2021-03-26 08:05:46,571 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1487603305785124 [2021-03-26 08:05:46,571 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 684 transitions. [2021-03-26 08:05:46,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 684 transitions. [2021-03-26 08:05:46,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:05:46,571 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 684 transitions. [2021-03-26 08:05:46,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 31.09090909090909) internal successors, (684), 22 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:46,573 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 209.0) internal successors, (4807), 23 states have internal predecessors, (4807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:46,573 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 209.0) internal successors, (4807), 23 states have internal predecessors, (4807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:46,573 INFO L185 Difference]: Start difference. First operand has 849 places, 1025 transitions, 31088 flow. Second operand 22 states and 684 transitions. [2021-03-26 08:05:46,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 870 places, 1045 transitions, 34162 flow [2021-03-26 08:05:49,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 862 places, 1045 transitions, 33126 flow, removed 399 selfloop flow, removed 8 redundant places. [2021-03-26 08:05:49,038 INFO L241 Difference]: Finished difference. Result has 865 places, 1035 transitions, 30938 flow [2021-03-26 08:05:49,039 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=30070, PETRI_DIFFERENCE_MINUEND_PLACES=841, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1025, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=160, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=859, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=30938, PETRI_PLACES=865, PETRI_TRANSITIONS=1035} [2021-03-26 08:05:49,039 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 826 predicate places. [2021-03-26 08:05:49,039 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:05:49,039 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 865 places, 1035 transitions, 30938 flow [2021-03-26 08:05:49,039 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 865 places, 1035 transitions, 30938 flow [2021-03-26 08:05:49,048 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 863 places, 1035 transitions, 30938 flow [2021-03-26 08:05:49,529 INFO L129 PetriNetUnfolder]: 760/1778 cut-off events. [2021-03-26 08:05:49,529 INFO L130 PetriNetUnfolder]: For 304763/305201 co-relation queries the response was YES. [2021-03-26 08:05:49,567 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34433 conditions, 1778 events. 760/1778 cut-off events. For 304763/305201 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 13952 event pairs, 32 based on Foata normal form. 25/1787 useless extension candidates. Maximal degree in co-relation 34110. Up to 496 conditions per place. [2021-03-26 08:05:49,594 INFO L142 LiptonReduction]: Number of co-enabled transitions 680 [2021-03-26 08:05:49,928 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:05:49,928 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 08:05:49,928 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 889 [2021-03-26 08:05:49,928 INFO L480 AbstractCegarLoop]: Abstraction has has 863 places, 1035 transitions, 30940 flow [2021-03-26 08:05:49,928 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:49,928 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:05:49,928 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:05:49,928 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable367 [2021-03-26 08:05:49,928 INFO L428 AbstractCegarLoop]: === Iteration 369 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:05:49,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:05:49,929 INFO L82 PathProgramCache]: Analyzing trace with hash 413750370, now seen corresponding path program 7 times [2021-03-26 08:05:49,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:05:49,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916241230] [2021-03-26 08:05:49,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:05:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:05:49,934 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:05:49,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:05:49,939 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:05:49,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:05:49,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:49,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:05:49,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:49,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:05:49,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:49,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:05:49,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:49,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:05:49,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:49,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:05:49,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:49,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:05:50,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:50,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:05:50,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:50,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:05:50,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:50,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:05:50,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:05:50,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916241230] [2021-03-26 08:05:50,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:05:50,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:05:50,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855782422] [2021-03-26 08:05:50,023 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:05:50,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:05:50,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:05:50,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:05:50,024 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 210 [2021-03-26 08:05:50,024 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 863 places, 1035 transitions, 30940 flow. Second operand has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:50,024 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:05:50,024 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 210 [2021-03-26 08:05:50,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:05:51,550 INFO L129 PetriNetUnfolder]: 948/2050 cut-off events. [2021-03-26 08:05:51,550 INFO L130 PetriNetUnfolder]: For 375765/375788 co-relation queries the response was YES. [2021-03-26 08:05:51,590 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41665 conditions, 2050 events. 948/2050 cut-off events. For 375765/375788 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 15300 event pairs, 128 based on Foata normal form. 12/2059 useless extension candidates. Maximal degree in co-relation 41338. Up to 1770 conditions per place. [2021-03-26 08:05:51,601 INFO L132 encePairwiseOnDemand]: 186/210 looper letters, 859 selfloop transitions, 184 changer transitions 2/1053 dead transitions. [2021-03-26 08:05:51,601 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 876 places, 1053 transitions, 33863 flow [2021-03-26 08:05:51,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 08:05:51,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 08:05:51,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 464 transitions. [2021-03-26 08:05:51,603 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15782312925170067 [2021-03-26 08:05:51,603 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 464 transitions. [2021-03-26 08:05:51,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 464 transitions. [2021-03-26 08:05:51,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:05:51,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 464 transitions. [2021-03-26 08:05:51,617 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 33.142857142857146) internal successors, (464), 14 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:51,618 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 210.0) internal successors, (3150), 15 states have internal predecessors, (3150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:51,618 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 210.0) internal successors, (3150), 15 states have internal predecessors, (3150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:51,618 INFO L185 Difference]: Start difference. First operand has 863 places, 1035 transitions, 30940 flow. Second operand 14 states and 464 transitions. [2021-03-26 08:05:51,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 876 places, 1053 transitions, 33863 flow [2021-03-26 08:05:54,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 862 places, 1053 transitions, 33408 flow, removed 148 selfloop flow, removed 14 redundant places. [2021-03-26 08:05:54,149 INFO L241 Difference]: Finished difference. Result has 867 places, 1043 transitions, 31235 flow [2021-03-26 08:05:54,149 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=30485, PETRI_DIFFERENCE_MINUEND_PLACES=849, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1035, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=177, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=854, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=31235, PETRI_PLACES=867, PETRI_TRANSITIONS=1043} [2021-03-26 08:05:54,149 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 828 predicate places. [2021-03-26 08:05:54,149 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:05:54,149 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 867 places, 1043 transitions, 31235 flow [2021-03-26 08:05:54,150 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 867 places, 1043 transitions, 31235 flow [2021-03-26 08:05:54,159 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 866 places, 1043 transitions, 31235 flow [2021-03-26 08:05:54,730 INFO L129 PetriNetUnfolder]: 769/1797 cut-off events. [2021-03-26 08:05:54,730 INFO L130 PetriNetUnfolder]: For 313171/313603 co-relation queries the response was YES. [2021-03-26 08:05:54,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35086 conditions, 1797 events. 769/1797 cut-off events. For 313171/313603 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 14278 event pairs, 38 based on Foata normal form. 22/1802 useless extension candidates. Maximal degree in co-relation 34758. Up to 504 conditions per place. [2021-03-26 08:05:54,825 INFO L142 LiptonReduction]: Number of co-enabled transitions 684 [2021-03-26 08:05:54,954 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:05:54,954 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:05:54,954 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 805 [2021-03-26 08:05:54,954 INFO L480 AbstractCegarLoop]: Abstraction has has 866 places, 1043 transitions, 31235 flow [2021-03-26 08:05:54,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:54,955 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:05:54,955 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:05:54,955 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable368 [2021-03-26 08:05:54,955 INFO L428 AbstractCegarLoop]: === Iteration 370 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:05:54,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:05:54,955 INFO L82 PathProgramCache]: Analyzing trace with hash 2118601999, now seen corresponding path program 1 times [2021-03-26 08:05:54,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:05:54,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953028450] [2021-03-26 08:05:54,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:05:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:05:54,960 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:05:54,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:05:54,965 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:05:54,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:05:54,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:54,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:05:54,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:54,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:05:54,992 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 08:05:54,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 08:05:55,009 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 08:05:55,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 08:05:55,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:55,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:05:55,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:55,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:05:55,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:55,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:05:55,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:55,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:05:55,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:05:55,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953028450] [2021-03-26 08:05:55,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:05:55,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:05:55,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047239640] [2021-03-26 08:05:55,061 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:05:55,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:05:55,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:05:55,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:05:55,061 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 210 [2021-03-26 08:05:55,061 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 866 places, 1043 transitions, 31235 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:55,061 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:05:55,062 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 210 [2021-03-26 08:05:55,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:05:56,612 INFO L129 PetriNetUnfolder]: 947/2049 cut-off events. [2021-03-26 08:05:56,613 INFO L130 PetriNetUnfolder]: For 382346/382376 co-relation queries the response was YES. [2021-03-26 08:05:56,646 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41922 conditions, 2049 events. 947/2049 cut-off events. For 382346/382376 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 15299 event pairs, 120 based on Foata normal form. 19/2065 useless extension candidates. Maximal degree in co-relation 41590. Up to 1793 conditions per place. [2021-03-26 08:05:56,657 INFO L132 encePairwiseOnDemand]: 185/210 looper letters, 901 selfloop transitions, 138 changer transitions 2/1049 dead transitions. [2021-03-26 08:05:56,657 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 882 places, 1049 transitions, 33581 flow [2021-03-26 08:05:56,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 08:05:56,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 08:05:56,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 541 transitions. [2021-03-26 08:05:56,658 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1515406162464986 [2021-03-26 08:05:56,658 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 541 transitions. [2021-03-26 08:05:56,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 541 transitions. [2021-03-26 08:05:56,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:05:56,659 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 541 transitions. [2021-03-26 08:05:56,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 31.823529411764707) internal successors, (541), 17 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:56,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 210.0) internal successors, (3780), 18 states have internal predecessors, (3780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:56,660 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 210.0) internal successors, (3780), 18 states have internal predecessors, (3780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:56,660 INFO L185 Difference]: Start difference. First operand has 866 places, 1043 transitions, 31235 flow. Second operand 17 states and 541 transitions. [2021-03-26 08:05:56,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 882 places, 1049 transitions, 33581 flow [2021-03-26 08:05:59,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 875 places, 1049 transitions, 33239 flow, removed 66 selfloop flow, removed 7 redundant places. [2021-03-26 08:05:59,112 INFO L241 Difference]: Finished difference. Result has 877 places, 1043 transitions, 31179 flow [2021-03-26 08:05:59,112 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=30893, PETRI_DIFFERENCE_MINUEND_PLACES=859, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1043, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=905, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=31179, PETRI_PLACES=877, PETRI_TRANSITIONS=1043} [2021-03-26 08:05:59,112 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 838 predicate places. [2021-03-26 08:05:59,112 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:05:59,113 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 877 places, 1043 transitions, 31179 flow [2021-03-26 08:05:59,113 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 877 places, 1043 transitions, 31179 flow [2021-03-26 08:05:59,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 875 places, 1043 transitions, 31179 flow [2021-03-26 08:05:59,666 INFO L129 PetriNetUnfolder]: 768/1795 cut-off events. [2021-03-26 08:05:59,666 INFO L130 PetriNetUnfolder]: For 317318/317666 co-relation queries the response was YES. [2021-03-26 08:05:59,707 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34979 conditions, 1795 events. 768/1795 cut-off events. For 317318/317666 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 14112 event pairs, 33 based on Foata normal form. 23/1806 useless extension candidates. Maximal degree in co-relation 34649. Up to 493 conditions per place. [2021-03-26 08:05:59,735 INFO L142 LiptonReduction]: Number of co-enabled transitions 684 [2021-03-26 08:05:59,855 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:05:59,855 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:05:59,855 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 743 [2021-03-26 08:05:59,855 INFO L480 AbstractCegarLoop]: Abstraction has has 875 places, 1043 transitions, 31179 flow [2021-03-26 08:05:59,855 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:59,855 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:05:59,855 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:05:59,855 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable369 [2021-03-26 08:05:59,855 INFO L428 AbstractCegarLoop]: === Iteration 371 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:05:59,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:05:59,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1263295345, now seen corresponding path program 2 times [2021-03-26 08:05:59,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:05:59,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131948593] [2021-03-26 08:05:59,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:05:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:05:59,878 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:05:59,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:05:59,883 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:05:59,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:05:59,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:59,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:05:59,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:59,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:05:59,915 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 08:05:59,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 08:05:59,935 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 08:05:59,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 08:05:59,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:59,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:05:59,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:59,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:05:59,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:59,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:05:59,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:05:59,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:05:59,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:05:59,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131948593] [2021-03-26 08:05:59,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:05:59,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:05:59,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263514300] [2021-03-26 08:05:59,994 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:05:59,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:05:59,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:05:59,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:05:59,995 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 210 [2021-03-26 08:05:59,995 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 875 places, 1043 transitions, 31179 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:05:59,995 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:05:59,995 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 210 [2021-03-26 08:05:59,995 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:06:01,586 INFO L129 PetriNetUnfolder]: 946/2043 cut-off events. [2021-03-26 08:06:01,586 INFO L130 PetriNetUnfolder]: For 384970/384974 co-relation queries the response was YES. [2021-03-26 08:06:01,627 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41983 conditions, 2043 events. 946/2043 cut-off events. For 384970/384974 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 15183 event pairs, 140 based on Foata normal form. 5/2045 useless extension candidates. Maximal degree in co-relation 41649. Up to 1803 conditions per place. [2021-03-26 08:06:01,638 INFO L132 encePairwiseOnDemand]: 185/210 looper letters, 910 selfloop transitions, 126 changer transitions 5/1049 dead transitions. [2021-03-26 08:06:01,638 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 889 places, 1049 transitions, 33448 flow [2021-03-26 08:06:01,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 08:06:01,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 08:06:01,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 485 transitions. [2021-03-26 08:06:01,639 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15396825396825398 [2021-03-26 08:06:01,639 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 485 transitions. [2021-03-26 08:06:01,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 485 transitions. [2021-03-26 08:06:01,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:06:01,640 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 485 transitions. [2021-03-26 08:06:01,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.333333333333336) internal successors, (485), 15 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:01,641 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 210.0) internal successors, (3360), 16 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:01,641 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 210.0) internal successors, (3360), 16 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:01,641 INFO L185 Difference]: Start difference. First operand has 875 places, 1043 transitions, 31179 flow. Second operand 15 states and 485 transitions. [2021-03-26 08:06:01,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 889 places, 1049 transitions, 33448 flow [2021-03-26 08:06:04,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 874 places, 1049 transitions, 33097 flow, removed 23 selfloop flow, removed 15 redundant places. [2021-03-26 08:06:04,232 INFO L241 Difference]: Finished difference. Result has 877 places, 1040 transitions, 31068 flow [2021-03-26 08:06:04,233 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=30850, PETRI_DIFFERENCE_MINUEND_PLACES=860, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1043, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=917, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=31068, PETRI_PLACES=877, PETRI_TRANSITIONS=1040} [2021-03-26 08:06:04,233 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 838 predicate places. [2021-03-26 08:06:04,233 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:06:04,233 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 877 places, 1040 transitions, 31068 flow [2021-03-26 08:06:04,233 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 877 places, 1040 transitions, 31068 flow [2021-03-26 08:06:04,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 873 places, 1040 transitions, 31068 flow [2021-03-26 08:06:04,733 INFO L129 PetriNetUnfolder]: 766/1793 cut-off events. [2021-03-26 08:06:04,733 INFO L130 PetriNetUnfolder]: For 318821/319271 co-relation queries the response was YES. [2021-03-26 08:06:04,769 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35088 conditions, 1793 events. 766/1793 cut-off events. For 318821/319271 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 14166 event pairs, 25 based on Foata normal form. 25/1802 useless extension candidates. Maximal degree in co-relation 34762. Up to 494 conditions per place. [2021-03-26 08:06:04,796 INFO L142 LiptonReduction]: Number of co-enabled transitions 684 [2021-03-26 08:06:04,930 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:06:04,931 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:06:04,931 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 698 [2021-03-26 08:06:04,931 INFO L480 AbstractCegarLoop]: Abstraction has has 873 places, 1040 transitions, 31068 flow [2021-03-26 08:06:04,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:04,931 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:06:04,931 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:06:04,931 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable370 [2021-03-26 08:06:04,931 INFO L428 AbstractCegarLoop]: === Iteration 372 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:06:04,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:06:04,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1160190156, now seen corresponding path program 1 times [2021-03-26 08:06:04,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:06:04,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111338136] [2021-03-26 08:06:04,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:06:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:06:04,954 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:06:04,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:06:04,959 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:06:04,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:06:04,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:04,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:06:04,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:04,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:06:04,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:04,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:06:05,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:05,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:06:05,013 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 08:06:05,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:06:05,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:05,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:06:05,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:05,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:06:05,060 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 08:06:05,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:06:05,064 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:06:05,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:06:05,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:06:05,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111338136] [2021-03-26 08:06:05,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:06:05,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 08:06:05,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972461356] [2021-03-26 08:06:05,067 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 08:06:05,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:06:05,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 08:06:05,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 08:06:05,067 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 210 [2021-03-26 08:06:05,068 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 873 places, 1040 transitions, 31068 flow. Second operand has 9 states, 9 states have (on average 27.333333333333332) internal successors, (246), 9 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:05,068 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:06:05,068 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 210 [2021-03-26 08:06:05,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:06:06,573 INFO L129 PetriNetUnfolder]: 946/2048 cut-off events. [2021-03-26 08:06:06,574 INFO L130 PetriNetUnfolder]: For 387910/387933 co-relation queries the response was YES. [2021-03-26 08:06:06,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42022 conditions, 2048 events. 946/2048 cut-off events. For 387910/387933 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 15264 event pairs, 123 based on Foata normal form. 12/2057 useless extension candidates. Maximal degree in co-relation 41694. Up to 1804 conditions per place. [2021-03-26 08:06:06,629 INFO L132 encePairwiseOnDemand]: 187/210 looper letters, 903 selfloop transitions, 133 changer transitions 2/1046 dead transitions. [2021-03-26 08:06:06,629 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 882 places, 1046 transitions, 33531 flow [2021-03-26 08:06:06,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 08:06:06,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 08:06:06,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 341 transitions. [2021-03-26 08:06:06,631 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16238095238095238 [2021-03-26 08:06:06,631 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 341 transitions. [2021-03-26 08:06:06,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 341 transitions. [2021-03-26 08:06:06,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:06:06,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 341 transitions. [2021-03-26 08:06:06,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 34.1) internal successors, (341), 10 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:06,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 210.0) internal successors, (2310), 11 states have internal predecessors, (2310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:06,632 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 210.0) internal successors, (2310), 11 states have internal predecessors, (2310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:06,632 INFO L185 Difference]: Start difference. First operand has 873 places, 1040 transitions, 31068 flow. Second operand 10 states and 341 transitions. [2021-03-26 08:06:06,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 882 places, 1046 transitions, 33531 flow [2021-03-26 08:06:09,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 869 places, 1046 transitions, 33273 flow, removed 3 selfloop flow, removed 13 redundant places. [2021-03-26 08:06:09,173 INFO L241 Difference]: Finished difference. Result has 872 places, 1042 transitions, 31317 flow [2021-03-26 08:06:09,174 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=30810, PETRI_DIFFERENCE_MINUEND_PLACES=860, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1040, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=908, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=31317, PETRI_PLACES=872, PETRI_TRANSITIONS=1042} [2021-03-26 08:06:09,174 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 833 predicate places. [2021-03-26 08:06:09,174 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:06:09,174 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 872 places, 1042 transitions, 31317 flow [2021-03-26 08:06:09,174 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 872 places, 1042 transitions, 31317 flow [2021-03-26 08:06:09,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 871 places, 1042 transitions, 31317 flow [2021-03-26 08:06:09,769 INFO L129 PetriNetUnfolder]: 763/1791 cut-off events. [2021-03-26 08:06:09,769 INFO L130 PetriNetUnfolder]: For 327039/327500 co-relation queries the response was YES. [2021-03-26 08:06:09,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35250 conditions, 1791 events. 763/1791 cut-off events. For 327039/327500 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 14205 event pairs, 42 based on Foata normal form. 31/1806 useless extension candidates. Maximal degree in co-relation 34918. Up to 497 conditions per place. [2021-03-26 08:06:09,826 INFO L142 LiptonReduction]: Number of co-enabled transitions 684 [2021-03-26 08:06:09,932 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:06:09,932 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:06:09,932 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 758 [2021-03-26 08:06:09,932 INFO L480 AbstractCegarLoop]: Abstraction has has 871 places, 1042 transitions, 31317 flow [2021-03-26 08:06:09,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.333333333333332) internal successors, (246), 9 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:09,932 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:06:09,932 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:06:09,933 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable371 [2021-03-26 08:06:09,933 INFO L428 AbstractCegarLoop]: === Iteration 373 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:06:09,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:06:09,933 INFO L82 PathProgramCache]: Analyzing trace with hash 569796300, now seen corresponding path program 44 times [2021-03-26 08:06:09,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:06:09,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776679138] [2021-03-26 08:06:09,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:06:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:06:09,938 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:06:09,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:06:09,943 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:06:09,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:06:09,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:09,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:06:09,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:09,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:06:09,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:09,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:06:09,988 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 08:06:09,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:06:10,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:10,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:06:10,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:10,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:06:10,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:10,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:06:10,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:10,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:06:10,077 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:06:10,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:06:10,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:06:10,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776679138] [2021-03-26 08:06:10,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:06:10,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:06:10,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587271559] [2021-03-26 08:06:10,080 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:06:10,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:06:10,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:06:10,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:06:10,081 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 210 [2021-03-26 08:06:10,081 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 871 places, 1042 transitions, 31317 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:10,081 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:06:10,081 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 210 [2021-03-26 08:06:10,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:06:11,883 INFO L129 PetriNetUnfolder]: 953/2070 cut-off events. [2021-03-26 08:06:11,883 INFO L130 PetriNetUnfolder]: For 415321/415361 co-relation queries the response was YES. [2021-03-26 08:06:11,924 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43252 conditions, 2070 events. 953/2070 cut-off events. For 415321/415361 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 15505 event pairs, 136 based on Foata normal form. 13/2079 useless extension candidates. Maximal degree in co-relation 42916. Up to 1680 conditions per place. [2021-03-26 08:06:11,936 INFO L132 encePairwiseOnDemand]: 183/210 looper letters, 842 selfloop transitions, 238 changer transitions 7/1095 dead transitions. [2021-03-26 08:06:11,936 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 893 places, 1095 transitions, 36033 flow [2021-03-26 08:06:11,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-26 08:06:11,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-26 08:06:11,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 735 transitions. [2021-03-26 08:06:11,937 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15217391304347827 [2021-03-26 08:06:11,937 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 735 transitions. [2021-03-26 08:06:11,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 735 transitions. [2021-03-26 08:06:11,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:06:11,938 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 735 transitions. [2021-03-26 08:06:11,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 31.956521739130434) internal successors, (735), 23 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:11,939 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 210.0) internal successors, (5040), 24 states have internal predecessors, (5040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:11,940 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 210.0) internal successors, (5040), 24 states have internal predecessors, (5040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:11,940 INFO L185 Difference]: Start difference. First operand has 871 places, 1042 transitions, 31317 flow. Second operand 23 states and 735 transitions. [2021-03-26 08:06:11,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 893 places, 1095 transitions, 36033 flow [2021-03-26 08:06:14,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 884 places, 1095 transitions, 35578 flow, removed 85 selfloop flow, removed 9 redundant places. [2021-03-26 08:06:14,482 INFO L241 Difference]: Finished difference. Result has 889 places, 1067 transitions, 32770 flow [2021-03-26 08:06:14,482 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=30864, PETRI_DIFFERENCE_MINUEND_PLACES=862, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1042, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=216, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=809, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=32770, PETRI_PLACES=889, PETRI_TRANSITIONS=1067} [2021-03-26 08:06:14,482 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 850 predicate places. [2021-03-26 08:06:14,482 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:06:14,482 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 889 places, 1067 transitions, 32770 flow [2021-03-26 08:06:14,483 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 889 places, 1067 transitions, 32770 flow [2021-03-26 08:06:14,493 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 888 places, 1067 transitions, 32770 flow [2021-03-26 08:06:15,022 INFO L129 PetriNetUnfolder]: 773/1819 cut-off events. [2021-03-26 08:06:15,022 INFO L130 PetriNetUnfolder]: For 349399/349778 co-relation queries the response was YES. [2021-03-26 08:06:15,060 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36455 conditions, 1819 events. 773/1819 cut-off events. For 349399/349778 co-relation queries the response was YES. Maximal size of possible extension queue 247. Compared 14504 event pairs, 39 based on Foata normal form. 33/1836 useless extension candidates. Maximal degree in co-relation 36120. Up to 507 conditions per place. [2021-03-26 08:06:15,089 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 08:06:15,401 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:06:15,401 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 08:06:15,402 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 920 [2021-03-26 08:06:15,402 INFO L480 AbstractCegarLoop]: Abstraction has has 888 places, 1067 transitions, 32781 flow [2021-03-26 08:06:15,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:15,402 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:06:15,402 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:06:15,402 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable372 [2021-03-26 08:06:15,402 INFO L428 AbstractCegarLoop]: === Iteration 374 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:06:15,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:06:15,402 INFO L82 PathProgramCache]: Analyzing trace with hash 2115443988, now seen corresponding path program 8 times [2021-03-26 08:06:15,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:06:15,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074417420] [2021-03-26 08:06:15,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:06:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:06:15,409 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:06:15,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:06:15,416 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:06:15,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:06:15,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:15,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:06:15,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:15,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:06:15,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:15,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:06:15,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:15,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:06:15,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:15,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:06:15,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:15,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:06:15,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:15,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:06:15,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:15,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:06:15,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:15,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:06:15,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:06:15,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074417420] [2021-03-26 08:06:15,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:06:15,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:06:15,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328487361] [2021-03-26 08:06:15,544 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:06:15,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:06:15,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:06:15,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:06:15,544 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 211 [2021-03-26 08:06:15,544 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 888 places, 1067 transitions, 32781 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:15,544 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:06:15,545 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 211 [2021-03-26 08:06:15,545 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:06:17,620 INFO L129 PetriNetUnfolder]: 951/2070 cut-off events. [2021-03-26 08:06:17,621 INFO L130 PetriNetUnfolder]: For 423824/423847 co-relation queries the response was YES. [2021-03-26 08:06:17,681 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43563 conditions, 2070 events. 951/2070 cut-off events. For 423824/423847 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 15587 event pairs, 131 based on Foata normal form. 12/2079 useless extension candidates. Maximal degree in co-relation 43224. Up to 1711 conditions per place. [2021-03-26 08:06:17,696 INFO L132 encePairwiseOnDemand]: 184/211 looper letters, 797 selfloop transitions, 270 changer transitions 6/1081 dead transitions. [2021-03-26 08:06:17,697 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 902 places, 1081 transitions, 35960 flow [2021-03-26 08:06:17,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 08:06:17,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 08:06:17,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 502 transitions. [2021-03-26 08:06:17,699 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15860979462875197 [2021-03-26 08:06:17,699 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 502 transitions. [2021-03-26 08:06:17,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 502 transitions. [2021-03-26 08:06:17,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:06:17,699 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 502 transitions. [2021-03-26 08:06:17,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.46666666666667) internal successors, (502), 15 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:17,701 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 211.0) internal successors, (3376), 16 states have internal predecessors, (3376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:17,701 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 211.0) internal successors, (3376), 16 states have internal predecessors, (3376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:17,701 INFO L185 Difference]: Start difference. First operand has 888 places, 1067 transitions, 32781 flow. Second operand 15 states and 502 transitions. [2021-03-26 08:06:17,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 902 places, 1081 transitions, 35960 flow [2021-03-26 08:06:20,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 883 places, 1081 transitions, 35143 flow, removed 271 selfloop flow, removed 19 redundant places. [2021-03-26 08:06:20,547 INFO L241 Difference]: Finished difference. Result has 886 places, 1064 transitions, 32661 flow [2021-03-26 08:06:20,547 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=31974, PETRI_DIFFERENCE_MINUEND_PLACES=869, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1067, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=269, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=797, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=32661, PETRI_PLACES=886, PETRI_TRANSITIONS=1064} [2021-03-26 08:06:20,547 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 847 predicate places. [2021-03-26 08:06:20,547 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:06:20,547 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 886 places, 1064 transitions, 32661 flow [2021-03-26 08:06:20,548 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 886 places, 1064 transitions, 32661 flow [2021-03-26 08:06:20,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 886 places, 1064 transitions, 32661 flow [2021-03-26 08:06:21,061 INFO L129 PetriNetUnfolder]: 775/1821 cut-off events. [2021-03-26 08:06:21,061 INFO L130 PetriNetUnfolder]: For 345191/345558 co-relation queries the response was YES. [2021-03-26 08:06:21,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36568 conditions, 1821 events. 775/1821 cut-off events. For 345191/345558 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 14488 event pairs, 32 based on Foata normal form. 39/1844 useless extension candidates. Maximal degree in co-relation 36232. Up to 490 conditions per place. [2021-03-26 08:06:21,125 INFO L142 LiptonReduction]: Number of co-enabled transitions 686 [2021-03-26 08:06:21,459 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:06:21,460 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 08:06:21,460 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 913 [2021-03-26 08:06:21,460 INFO L480 AbstractCegarLoop]: Abstraction has has 886 places, 1064 transitions, 32668 flow [2021-03-26 08:06:21,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:21,460 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:06:21,460 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:06:21,460 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable373 [2021-03-26 08:06:21,460 INFO L428 AbstractCegarLoop]: === Iteration 375 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:06:21,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:06:21,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1644293506, now seen corresponding path program 9 times [2021-03-26 08:06:21,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:06:21,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922221982] [2021-03-26 08:06:21,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:06:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:06:21,470 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:06:21,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:06:21,476 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:06:21,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:06:21,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:21,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:06:21,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:21,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:06:21,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:21,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:06:21,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:21,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:06:21,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:21,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:06:21,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:21,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:06:21,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:21,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:06:21,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:21,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:06:21,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:21,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:06:21,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:06:21,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922221982] [2021-03-26 08:06:21,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:06:21,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:06:21,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091985399] [2021-03-26 08:06:21,582 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:06:21,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:06:21,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:06:21,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:06:21,583 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 212 [2021-03-26 08:06:21,583 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 886 places, 1064 transitions, 32668 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:21,583 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:06:21,583 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 212 [2021-03-26 08:06:21,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:06:23,431 INFO L129 PetriNetUnfolder]: 949/2070 cut-off events. [2021-03-26 08:06:23,431 INFO L130 PetriNetUnfolder]: For 424219/424242 co-relation queries the response was YES. [2021-03-26 08:06:23,470 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43686 conditions, 2070 events. 949/2070 cut-off events. For 424219/424242 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 15611 event pairs, 115 based on Foata normal form. 12/2079 useless extension candidates. Maximal degree in co-relation 43346. Up to 1673 conditions per place. [2021-03-26 08:06:23,481 INFO L132 encePairwiseOnDemand]: 182/212 looper letters, 742 selfloop transitions, 322 changer transitions 6/1078 dead transitions. [2021-03-26 08:06:23,481 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 902 places, 1078 transitions, 35862 flow [2021-03-26 08:06:23,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 08:06:23,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 08:06:23,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 561 transitions. [2021-03-26 08:06:23,483 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15566037735849056 [2021-03-26 08:06:23,483 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 561 transitions. [2021-03-26 08:06:23,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 561 transitions. [2021-03-26 08:06:23,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:06:23,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 561 transitions. [2021-03-26 08:06:23,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 33.0) internal successors, (561), 17 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:23,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 212.0) internal successors, (3816), 18 states have internal predecessors, (3816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:23,485 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 212.0) internal successors, (3816), 18 states have internal predecessors, (3816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:23,485 INFO L185 Difference]: Start difference. First operand has 886 places, 1064 transitions, 32668 flow. Second operand 17 states and 561 transitions. [2021-03-26 08:06:23,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 902 places, 1078 transitions, 35862 flow [2021-03-26 08:06:26,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 887 places, 1078 transitions, 35352 flow, removed 43 selfloop flow, removed 15 redundant places. [2021-03-26 08:06:26,303 INFO L241 Difference]: Finished difference. Result has 890 places, 1064 transitions, 33112 flow [2021-03-26 08:06:26,303 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=32165, PETRI_DIFFERENCE_MINUEND_PLACES=871, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1064, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=319, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=744, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=33112, PETRI_PLACES=890, PETRI_TRANSITIONS=1064} [2021-03-26 08:06:26,303 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 851 predicate places. [2021-03-26 08:06:26,303 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:06:26,303 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 890 places, 1064 transitions, 33112 flow [2021-03-26 08:06:26,303 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 890 places, 1064 transitions, 33112 flow [2021-03-26 08:06:26,313 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 888 places, 1064 transitions, 33112 flow [2021-03-26 08:06:26,851 INFO L129 PetriNetUnfolder]: 775/1817 cut-off events. [2021-03-26 08:06:26,851 INFO L130 PetriNetUnfolder]: For 353853/354326 co-relation queries the response was YES. [2021-03-26 08:06:26,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36908 conditions, 1817 events. 775/1817 cut-off events. For 353853/354326 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 14374 event pairs, 41 based on Foata normal form. 22/1819 useless extension candidates. Maximal degree in co-relation 36572. Up to 494 conditions per place. [2021-03-26 08:06:26,939 INFO L142 LiptonReduction]: Number of co-enabled transitions 684 [2021-03-26 08:06:27,070 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:06:27,070 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:06:27,070 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 767 [2021-03-26 08:06:27,070 INFO L480 AbstractCegarLoop]: Abstraction has has 888 places, 1064 transitions, 33112 flow [2021-03-26 08:06:27,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:27,070 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:06:27,070 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:06:27,070 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable374 [2021-03-26 08:06:27,071 INFO L428 AbstractCegarLoop]: === Iteration 376 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:06:27,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:06:27,071 INFO L82 PathProgramCache]: Analyzing trace with hash 715947086, now seen corresponding path program 45 times [2021-03-26 08:06:27,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:06:27,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077038120] [2021-03-26 08:06:27,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:06:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:06:27,076 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:06:27,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:06:27,082 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:06:27,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:06:27,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:27,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:06:27,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:27,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:06:27,115 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 08:06:27,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 08:06:27,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:27,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:06:27,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:27,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:06:27,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:27,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:06:27,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:27,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:06:27,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:27,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:06:27,266 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:06:27,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:06:27,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:06:27,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077038120] [2021-03-26 08:06:27,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:06:27,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:06:27,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851160970] [2021-03-26 08:06:27,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:06:27,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:06:27,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:06:27,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:06:27,271 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 212 [2021-03-26 08:06:27,271 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 888 places, 1064 transitions, 33112 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:27,271 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:06:27,271 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 212 [2021-03-26 08:06:27,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:06:29,235 INFO L129 PetriNetUnfolder]: 947/2071 cut-off events. [2021-03-26 08:06:29,235 INFO L130 PetriNetUnfolder]: For 443848/443871 co-relation queries the response was YES. [2021-03-26 08:06:29,396 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44156 conditions, 2071 events. 947/2071 cut-off events. For 443848/443871 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 15606 event pairs, 114 based on Foata normal form. 15/2084 useless extension candidates. Maximal degree in co-relation 43816. Up to 1701 conditions per place. [2021-03-26 08:06:29,406 INFO L132 encePairwiseOnDemand]: 182/212 looper letters, 826 selfloop transitions, 245 changer transitions 4/1083 dead transitions. [2021-03-26 08:06:29,407 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 906 places, 1083 transitions, 36212 flow [2021-03-26 08:06:29,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 08:06:29,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 08:06:29,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 614 transitions. [2021-03-26 08:06:29,408 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15243296921549157 [2021-03-26 08:06:29,408 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 614 transitions. [2021-03-26 08:06:29,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 614 transitions. [2021-03-26 08:06:29,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:06:29,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 614 transitions. [2021-03-26 08:06:29,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 32.31578947368421) internal successors, (614), 19 states have internal predecessors, (614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:29,410 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 212.0) internal successors, (4240), 20 states have internal predecessors, (4240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:29,410 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 212.0) internal successors, (4240), 20 states have internal predecessors, (4240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:29,410 INFO L185 Difference]: Start difference. First operand has 888 places, 1064 transitions, 33112 flow. Second operand 19 states and 614 transitions. [2021-03-26 08:06:29,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 906 places, 1083 transitions, 36212 flow [2021-03-26 08:06:31,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 891 places, 1083 transitions, 35616 flow, removed 111 selfloop flow, removed 15 redundant places. [2021-03-26 08:06:31,878 INFO L241 Difference]: Finished difference. Result has 894 places, 1068 transitions, 33388 flow [2021-03-26 08:06:31,879 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=32528, PETRI_DIFFERENCE_MINUEND_PLACES=873, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1064, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=242, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=821, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=33388, PETRI_PLACES=894, PETRI_TRANSITIONS=1068} [2021-03-26 08:06:31,879 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 855 predicate places. [2021-03-26 08:06:31,879 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:06:31,879 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 894 places, 1068 transitions, 33388 flow [2021-03-26 08:06:31,879 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 894 places, 1068 transitions, 33388 flow [2021-03-26 08:06:31,889 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 893 places, 1068 transitions, 33388 flow [2021-03-26 08:06:32,404 INFO L129 PetriNetUnfolder]: 775/1822 cut-off events. [2021-03-26 08:06:32,404 INFO L130 PetriNetUnfolder]: For 358696/359021 co-relation queries the response was YES. [2021-03-26 08:06:32,444 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37279 conditions, 1822 events. 775/1822 cut-off events. For 358696/359021 co-relation queries the response was YES. Maximal size of possible extension queue 250. Compared 14536 event pairs, 39 based on Foata normal form. 28/1833 useless extension candidates. Maximal degree in co-relation 36942. Up to 489 conditions per place. [2021-03-26 08:06:32,474 INFO L142 LiptonReduction]: Number of co-enabled transitions 684 [2021-03-26 08:06:32,604 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:06:32,604 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:06:32,604 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 725 [2021-03-26 08:06:32,604 INFO L480 AbstractCegarLoop]: Abstraction has has 893 places, 1068 transitions, 33388 flow [2021-03-26 08:06:32,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:32,604 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:06:32,605 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:06:32,605 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable375 [2021-03-26 08:06:32,605 INFO L428 AbstractCegarLoop]: === Iteration 377 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:06:32,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:06:32,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1009107772, now seen corresponding path program 46 times [2021-03-26 08:06:32,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:06:32,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354960288] [2021-03-26 08:06:32,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:06:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:06:32,610 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:06:32,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:06:32,616 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:06:32,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:06:32,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:32,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:06:32,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:32,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:06:32,642 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 08:06:32,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 08:06:32,665 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 08:06:32,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 08:06:32,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:32,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:06:32,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:32,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:06:32,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:32,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:06:32,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:32,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:06:32,747 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:06:32,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:06:32,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:06:32,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354960288] [2021-03-26 08:06:32,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:06:32,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:06:32,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380279078] [2021-03-26 08:06:32,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:06:32,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:06:32,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:06:32,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:06:32,750 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 212 [2021-03-26 08:06:32,751 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 893 places, 1068 transitions, 33388 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:32,751 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:06:32,751 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 212 [2021-03-26 08:06:32,751 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:06:34,484 INFO L129 PetriNetUnfolder]: 945/2065 cut-off events. [2021-03-26 08:06:34,484 INFO L130 PetriNetUnfolder]: For 440600/440623 co-relation queries the response was YES. [2021-03-26 08:06:34,528 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44149 conditions, 2065 events. 945/2065 cut-off events. For 440600/440623 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 15565 event pairs, 133 based on Foata normal form. 12/2074 useless extension candidates. Maximal degree in co-relation 43808. Up to 1799 conditions per place. [2021-03-26 08:06:34,539 INFO L132 encePairwiseOnDemand]: 185/212 looper letters, 905 selfloop transitions, 158 changer transitions 4/1075 dead transitions. [2021-03-26 08:06:34,540 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 913 places, 1075 transitions, 35841 flow [2021-03-26 08:06:34,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-26 08:06:34,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-26 08:06:34,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 661 transitions. [2021-03-26 08:06:34,542 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.14847259658580414 [2021-03-26 08:06:34,542 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 661 transitions. [2021-03-26 08:06:34,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 661 transitions. [2021-03-26 08:06:34,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:06:34,542 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 661 transitions. [2021-03-26 08:06:34,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 31.476190476190474) internal successors, (661), 21 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:34,544 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 212.0) internal successors, (4664), 22 states have internal predecessors, (4664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:34,544 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 212.0) internal successors, (4664), 22 states have internal predecessors, (4664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:34,544 INFO L185 Difference]: Start difference. First operand has 893 places, 1068 transitions, 33388 flow. Second operand 21 states and 661 transitions. [2021-03-26 08:06:34,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 913 places, 1075 transitions, 35841 flow [2021-03-26 08:06:37,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 900 places, 1075 transitions, 35416 flow, removed 113 selfloop flow, removed 13 redundant places. [2021-03-26 08:06:37,291 INFO L241 Difference]: Finished difference. Result has 902 places, 1067 transitions, 33270 flow [2021-03-26 08:06:37,292 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=32963, PETRI_DIFFERENCE_MINUEND_PLACES=880, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1068, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=158, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=910, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=33270, PETRI_PLACES=902, PETRI_TRANSITIONS=1067} [2021-03-26 08:06:37,292 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 863 predicate places. [2021-03-26 08:06:37,292 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:06:37,292 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 902 places, 1067 transitions, 33270 flow [2021-03-26 08:06:37,292 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 902 places, 1067 transitions, 33270 flow [2021-03-26 08:06:37,302 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 900 places, 1067 transitions, 33270 flow [2021-03-26 08:06:37,836 INFO L129 PetriNetUnfolder]: 769/1816 cut-off events. [2021-03-26 08:06:37,836 INFO L130 PetriNetUnfolder]: For 348867/349092 co-relation queries the response was YES. [2021-03-26 08:06:37,873 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37304 conditions, 1816 events. 769/1816 cut-off events. For 348867/349092 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 14488 event pairs, 37 based on Foata normal form. 43/1849 useless extension candidates. Maximal degree in co-relation 36967. Up to 481 conditions per place. [2021-03-26 08:06:37,903 INFO L142 LiptonReduction]: Number of co-enabled transitions 684 [2021-03-26 08:06:38,031 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:06:38,031 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:06:38,031 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 739 [2021-03-26 08:06:38,031 INFO L480 AbstractCegarLoop]: Abstraction has has 900 places, 1067 transitions, 33270 flow [2021-03-26 08:06:38,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:38,032 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:06:38,032 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:06:38,032 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable376 [2021-03-26 08:06:38,032 INFO L428 AbstractCegarLoop]: === Iteration 378 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:06:38,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:06:38,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1496974807, now seen corresponding path program 1 times [2021-03-26 08:06:38,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:06:38,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770720926] [2021-03-26 08:06:38,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:06:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:06:38,037 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:06:38,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:06:38,042 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:06:38,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:06:38,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:38,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:06:38,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:38,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:06:38,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:38,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:06:38,073 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 08:06:38,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 08:06:38,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:38,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:06:38,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:38,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:06:38,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:38,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:06:38,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:38,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:06:38,122 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:06:38,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:06:38,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:06:38,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770720926] [2021-03-26 08:06:38,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:06:38,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 08:06:38,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551151375] [2021-03-26 08:06:38,125 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 08:06:38,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:06:38,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 08:06:38,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 08:06:38,125 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 212 [2021-03-26 08:06:38,125 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 900 places, 1067 transitions, 33270 flow. Second operand has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:38,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:06:38,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 212 [2021-03-26 08:06:38,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:06:39,615 INFO L129 PetriNetUnfolder]: 943/2057 cut-off events. [2021-03-26 08:06:39,615 INFO L130 PetriNetUnfolder]: For 439234/439257 co-relation queries the response was YES. [2021-03-26 08:06:39,657 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44111 conditions, 2057 events. 943/2057 cut-off events. For 439234/439257 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 15488 event pairs, 116 based on Foata normal form. 15/2070 useless extension candidates. Maximal degree in co-relation 43770. Up to 1776 conditions per place. [2021-03-26 08:06:39,668 INFO L132 encePairwiseOnDemand]: 187/212 looper letters, 909 selfloop transitions, 157 changer transitions 2/1076 dead transitions. [2021-03-26 08:06:39,668 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 912 places, 1076 transitions, 35706 flow [2021-03-26 08:06:39,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 08:06:39,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 08:06:39,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 437 transitions. [2021-03-26 08:06:39,670 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15856313497822933 [2021-03-26 08:06:39,670 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 437 transitions. [2021-03-26 08:06:39,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 437 transitions. [2021-03-26 08:06:39,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:06:39,670 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 437 transitions. [2021-03-26 08:06:39,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 33.61538461538461) internal successors, (437), 13 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:39,671 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 212.0) internal successors, (2968), 14 states have internal predecessors, (2968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:39,671 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 212.0) internal successors, (2968), 14 states have internal predecessors, (2968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:39,671 INFO L185 Difference]: Start difference. First operand has 900 places, 1067 transitions, 33270 flow. Second operand 13 states and 437 transitions. [2021-03-26 08:06:39,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 912 places, 1076 transitions, 35706 flow [2021-03-26 08:06:42,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 895 places, 1076 transitions, 35344 flow, removed 26 selfloop flow, removed 17 redundant places. [2021-03-26 08:06:42,505 INFO L241 Difference]: Finished difference. Result has 897 places, 1067 transitions, 33241 flow [2021-03-26 08:06:42,505 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=32910, PETRI_DIFFERENCE_MINUEND_PLACES=883, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1067, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=910, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=33241, PETRI_PLACES=897, PETRI_TRANSITIONS=1067} [2021-03-26 08:06:42,505 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 858 predicate places. [2021-03-26 08:06:42,505 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:06:42,506 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 897 places, 1067 transitions, 33241 flow [2021-03-26 08:06:42,506 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 897 places, 1067 transitions, 33241 flow [2021-03-26 08:06:42,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 896 places, 1067 transitions, 33241 flow [2021-03-26 08:06:43,081 INFO L129 PetriNetUnfolder]: 769/1821 cut-off events. [2021-03-26 08:06:43,081 INFO L130 PetriNetUnfolder]: For 360919/361238 co-relation queries the response was YES. [2021-03-26 08:06:43,117 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37282 conditions, 1821 events. 769/1821 cut-off events. For 360919/361238 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 14550 event pairs, 37 based on Foata normal form. 19/1828 useless extension candidates. Maximal degree in co-relation 36945. Up to 485 conditions per place. [2021-03-26 08:06:43,148 INFO L142 LiptonReduction]: Number of co-enabled transitions 684 [2021-03-26 08:06:43,260 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:06:43,260 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:06:43,262 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 757 [2021-03-26 08:06:43,262 INFO L480 AbstractCegarLoop]: Abstraction has has 896 places, 1067 transitions, 33241 flow [2021-03-26 08:06:43,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:43,262 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:06:43,262 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:06:43,263 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable377 [2021-03-26 08:06:43,263 INFO L428 AbstractCegarLoop]: === Iteration 379 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:06:43,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:06:43,263 INFO L82 PathProgramCache]: Analyzing trace with hash -258564338, now seen corresponding path program 47 times [2021-03-26 08:06:43,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:06:43,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969593545] [2021-03-26 08:06:43,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:06:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:06:43,268 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:06:43,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:06:43,273 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:06:43,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:06:43,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:43,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:06:43,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:43,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:06:43,300 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 08:06:43,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 08:06:43,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:43,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:06:43,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:43,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:06:43,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:43,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:06:43,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:43,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:06:43,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:43,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:06:43,389 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 08:06:43,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 08:06:43,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:06:43,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969593545] [2021-03-26 08:06:43,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:06:43,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:06:43,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797143554] [2021-03-26 08:06:43,391 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:06:43,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:06:43,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:06:43,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:06:43,392 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 212 [2021-03-26 08:06:43,392 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 896 places, 1067 transitions, 33241 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:43,392 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:06:43,392 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 212 [2021-03-26 08:06:43,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:06:45,062 INFO L129 PetriNetUnfolder]: 942/2062 cut-off events. [2021-03-26 08:06:45,062 INFO L130 PetriNetUnfolder]: For 446702/446725 co-relation queries the response was YES. [2021-03-26 08:06:45,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44208 conditions, 2062 events. 942/2062 cut-off events. For 446702/446725 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 15544 event pairs, 123 based on Foata normal form. 15/2075 useless extension candidates. Maximal degree in co-relation 43867. Up to 1722 conditions per place. [2021-03-26 08:06:45,117 INFO L132 encePairwiseOnDemand]: 183/212 looper letters, 838 selfloop transitions, 227 changer transitions 2/1075 dead transitions. [2021-03-26 08:06:45,117 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 912 places, 1075 transitions, 35695 flow [2021-03-26 08:06:45,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 08:06:45,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 08:06:45,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 557 transitions. [2021-03-26 08:06:45,119 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15455049944506105 [2021-03-26 08:06:45,119 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 557 transitions. [2021-03-26 08:06:45,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 557 transitions. [2021-03-26 08:06:45,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:06:45,119 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 557 transitions. [2021-03-26 08:06:45,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.76470588235294) internal successors, (557), 17 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:45,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 212.0) internal successors, (3816), 18 states have internal predecessors, (3816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:45,121 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 212.0) internal successors, (3816), 18 states have internal predecessors, (3816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:45,121 INFO L185 Difference]: Start difference. First operand has 896 places, 1067 transitions, 33241 flow. Second operand 17 states and 557 transitions. [2021-03-26 08:06:45,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 912 places, 1075 transitions, 35695 flow [2021-03-26 08:06:48,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 901 places, 1075 transitions, 35392 flow, removed 1 selfloop flow, removed 11 redundant places. [2021-03-26 08:06:48,111 INFO L241 Difference]: Finished difference. Result has 903 places, 1067 transitions, 33412 flow [2021-03-26 08:06:48,111 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=32938, PETRI_DIFFERENCE_MINUEND_PLACES=885, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1067, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=227, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=840, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=33412, PETRI_PLACES=903, PETRI_TRANSITIONS=1067} [2021-03-26 08:06:48,112 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 864 predicate places. [2021-03-26 08:06:48,112 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:06:48,112 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 903 places, 1067 transitions, 33412 flow [2021-03-26 08:06:48,112 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 903 places, 1067 transitions, 33412 flow [2021-03-26 08:06:48,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 902 places, 1067 transitions, 33412 flow [2021-03-26 08:06:48,666 INFO L129 PetriNetUnfolder]: 769/1816 cut-off events. [2021-03-26 08:06:48,666 INFO L130 PetriNetUnfolder]: For 366699/367053 co-relation queries the response was YES. [2021-03-26 08:06:48,703 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37498 conditions, 1816 events. 769/1816 cut-off events. For 366699/367053 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 14582 event pairs, 44 based on Foata normal form. 21/1822 useless extension candidates. Maximal degree in co-relation 37160. Up to 490 conditions per place. [2021-03-26 08:06:48,732 INFO L142 LiptonReduction]: Number of co-enabled transitions 684 [2021-03-26 08:06:48,861 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:06:48,861 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:06:48,861 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 749 [2021-03-26 08:06:48,862 INFO L480 AbstractCegarLoop]: Abstraction has has 902 places, 1067 transitions, 33412 flow [2021-03-26 08:06:48,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:48,862 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:06:48,862 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:06:48,862 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable378 [2021-03-26 08:06:48,862 INFO L428 AbstractCegarLoop]: === Iteration 380 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:06:48,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:06:48,862 INFO L82 PathProgramCache]: Analyzing trace with hash 30710906, now seen corresponding path program 10 times [2021-03-26 08:06:48,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:06:48,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862899284] [2021-03-26 08:06:48,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:06:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:06:48,868 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:06:48,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:06:48,873 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:06:48,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:06:48,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:48,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:06:48,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:48,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:06:48,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:48,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:06:48,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:48,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:06:48,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:48,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:06:48,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:48,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:06:48,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:48,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:06:48,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:48,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:06:48,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:48,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:06:48,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:06:48,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862899284] [2021-03-26 08:06:48,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:06:48,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 08:06:48,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948457177] [2021-03-26 08:06:48,972 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 08:06:48,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:06:48,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 08:06:48,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 08:06:48,972 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 212 [2021-03-26 08:06:48,972 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 902 places, 1067 transitions, 33412 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:48,972 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:06:48,972 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 212 [2021-03-26 08:06:48,972 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:06:50,577 INFO L129 PetriNetUnfolder]: 941/2061 cut-off events. [2021-03-26 08:06:50,577 INFO L130 PetriNetUnfolder]: For 451244/451267 co-relation queries the response was YES. [2021-03-26 08:06:50,620 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44364 conditions, 2061 events. 941/2061 cut-off events. For 451244/451267 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 15519 event pairs, 130 based on Foata normal form. 12/2070 useless extension candidates. Maximal degree in co-relation 44022. Up to 1748 conditions per place. [2021-03-26 08:06:50,632 INFO L132 encePairwiseOnDemand]: 185/212 looper letters, 827 selfloop transitions, 219 changer transitions 19/1073 dead transitions. [2021-03-26 08:06:50,632 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 919 places, 1073 transitions, 35873 flow [2021-03-26 08:06:50,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 08:06:50,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 08:06:50,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 574 transitions. [2021-03-26 08:06:50,634 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15041928721174005 [2021-03-26 08:06:50,634 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 574 transitions. [2021-03-26 08:06:50,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 574 transitions. [2021-03-26 08:06:50,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:06:50,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 574 transitions. [2021-03-26 08:06:50,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 31.88888888888889) internal successors, (574), 18 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:50,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 212.0) internal successors, (4028), 19 states have internal predecessors, (4028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:50,636 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 212.0) internal successors, (4028), 19 states have internal predecessors, (4028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:50,636 INFO L185 Difference]: Start difference. First operand has 902 places, 1067 transitions, 33412 flow. Second operand 18 states and 574 transitions. [2021-03-26 08:06:50,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 919 places, 1073 transitions, 35873 flow [2021-03-26 08:06:53,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 904 places, 1073 transitions, 35398 flow, removed 15 selfloop flow, removed 15 redundant places. [2021-03-26 08:06:53,471 INFO L241 Difference]: Finished difference. Result has 906 places, 1050 transitions, 32856 flow [2021-03-26 08:06:53,471 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=32941, PETRI_DIFFERENCE_MINUEND_PLACES=887, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1067, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=219, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=848, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=32856, PETRI_PLACES=906, PETRI_TRANSITIONS=1050} [2021-03-26 08:06:53,471 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 867 predicate places. [2021-03-26 08:06:53,471 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:06:53,471 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 906 places, 1050 transitions, 32856 flow [2021-03-26 08:06:53,471 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 906 places, 1050 transitions, 32856 flow [2021-03-26 08:06:53,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 894 places, 1050 transitions, 32856 flow [2021-03-26 08:06:53,974 INFO L129 PetriNetUnfolder]: 762/1800 cut-off events. [2021-03-26 08:06:53,974 INFO L130 PetriNetUnfolder]: For 361777/362073 co-relation queries the response was YES. [2021-03-26 08:06:54,010 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37098 conditions, 1800 events. 762/1800 cut-off events. For 361777/362073 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 14312 event pairs, 35 based on Foata normal form. 35/1824 useless extension candidates. Maximal degree in co-relation 36762. Up to 475 conditions per place. [2021-03-26 08:06:54,039 INFO L142 LiptonReduction]: Number of co-enabled transitions 682 [2021-03-26 08:06:54,156 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:06:54,156 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:06:54,156 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 685 [2021-03-26 08:06:54,156 INFO L480 AbstractCegarLoop]: Abstraction has has 894 places, 1050 transitions, 32856 flow [2021-03-26 08:06:54,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:54,157 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:06:54,157 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:06:54,157 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable379 [2021-03-26 08:06:54,157 INFO L428 AbstractCegarLoop]: === Iteration 381 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:06:54,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:06:54,157 INFO L82 PathProgramCache]: Analyzing trace with hash -284167988, now seen corresponding path program 11 times [2021-03-26 08:06:54,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:06:54,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011892500] [2021-03-26 08:06:54,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:06:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:06:54,162 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:06:54,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:06:54,168 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:06:54,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:06:54,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:54,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:06:54,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:54,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:06:54,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:54,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 08:06:54,211 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 08:06:54,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 08:06:54,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:54,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:06:54,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:54,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:06:54,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:54,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:06:54,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:54,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:06:54,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:54,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:06:54,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:06:54,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011892500] [2021-03-26 08:06:54,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:06:54,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:06:54,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670955939] [2021-03-26 08:06:54,274 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:06:54,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:06:54,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:06:54,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:06:54,275 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 212 [2021-03-26 08:06:54,275 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 894 places, 1050 transitions, 32856 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:54,275 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:06:54,275 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 212 [2021-03-26 08:06:54,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:06:55,921 INFO L129 PetriNetUnfolder]: 936/2041 cut-off events. [2021-03-26 08:06:55,921 INFO L130 PetriNetUnfolder]: For 445908/445931 co-relation queries the response was YES. [2021-03-26 08:06:55,959 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44011 conditions, 2041 events. 936/2041 cut-off events. For 445908/445931 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 15287 event pairs, 116 based on Foata normal form. 13/2051 useless extension candidates. Maximal degree in co-relation 43671. Up to 1667 conditions per place. [2021-03-26 08:06:55,970 INFO L132 encePairwiseOnDemand]: 185/212 looper letters, 767 selfloop transitions, 283 changer transitions 8/1066 dead transitions. [2021-03-26 08:06:55,971 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 912 places, 1066 transitions, 35808 flow [2021-03-26 08:06:55,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 08:06:55,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 08:06:55,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 613 transitions. [2021-03-26 08:06:55,972 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1521847070506455 [2021-03-26 08:06:55,972 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 613 transitions. [2021-03-26 08:06:55,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 613 transitions. [2021-03-26 08:06:55,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:06:55,972 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 613 transitions. [2021-03-26 08:06:55,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 32.26315789473684) internal successors, (613), 19 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:55,974 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 212.0) internal successors, (4240), 20 states have internal predecessors, (4240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:55,974 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 212.0) internal successors, (4240), 20 states have internal predecessors, (4240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:55,974 INFO L185 Difference]: Start difference. First operand has 894 places, 1050 transitions, 32856 flow. Second operand 19 states and 613 transitions. [2021-03-26 08:06:55,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 912 places, 1066 transitions, 35808 flow [2021-03-26 08:06:58,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 883 places, 1066 transitions, 34783 flow, removed 50 selfloop flow, removed 29 redundant places. [2021-03-26 08:06:58,571 INFO L241 Difference]: Finished difference. Result has 887 places, 1051 transitions, 32737 flow [2021-03-26 08:06:58,572 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=31887, PETRI_DIFFERENCE_MINUEND_PLACES=865, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1050, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=280, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=769, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=32737, PETRI_PLACES=887, PETRI_TRANSITIONS=1051} [2021-03-26 08:06:58,572 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 848 predicate places. [2021-03-26 08:06:58,572 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:06:58,572 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 887 places, 1051 transitions, 32737 flow [2021-03-26 08:06:58,572 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 887 places, 1051 transitions, 32737 flow [2021-03-26 08:06:58,582 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 885 places, 1051 transitions, 32737 flow [2021-03-26 08:06:59,069 INFO L129 PetriNetUnfolder]: 759/1790 cut-off events. [2021-03-26 08:06:59,069 INFO L130 PetriNetUnfolder]: For 335872/336189 co-relation queries the response was YES. [2021-03-26 08:06:59,104 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36212 conditions, 1790 events. 759/1790 cut-off events. For 335872/336189 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 14229 event pairs, 37 based on Foata normal form. 21/1802 useless extension candidates. Maximal degree in co-relation 35883. Up to 482 conditions per place. [2021-03-26 08:06:59,132 INFO L142 LiptonReduction]: Number of co-enabled transitions 680 [2021-03-26 08:06:59,254 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 08:06:59,254 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:06:59,254 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 682 [2021-03-26 08:06:59,254 INFO L480 AbstractCegarLoop]: Abstraction has has 885 places, 1051 transitions, 32737 flow [2021-03-26 08:06:59,254 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:59,254 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:06:59,254 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:06:59,254 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable380 [2021-03-26 08:06:59,254 INFO L428 AbstractCegarLoop]: === Iteration 382 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 08:06:59,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:06:59,255 INFO L82 PathProgramCache]: Analyzing trace with hash -571183943, now seen corresponding path program 5 times [2021-03-26 08:06:59,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:06:59,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414133419] [2021-03-26 08:06:59,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:06:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:06:59,273 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 08:06:59,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:06:59,278 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 08:06:59,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 08:06:59,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:59,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 08:06:59,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:59,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 08:06:59,307 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 08:06:59,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 08:06:59,325 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 08:06:59,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 08:06:59,342 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 08:06:59,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 08:06:59,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:59,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 08:06:59,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:59,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:06:59,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:59,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:06:59,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:06:59,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 08:06:59,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 08:06:59,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414133419] [2021-03-26 08:06:59,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:06:59,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 08:06:59,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982211225] [2021-03-26 08:06:59,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 08:06:59,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:06:59,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 08:06:59,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 08:06:59,388 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 212 [2021-03-26 08:06:59,388 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 885 places, 1051 transitions, 32737 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:06:59,388 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:06:59,388 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 212 [2021-03-26 08:06:59,388 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2021-03-26 08:07:00,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 08:07:00,564 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable381 [2021-03-26 08:07:00,564 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-26 08:07:00,566 WARN L224 ceAbstractionStarter]: Timeout [2021-03-26 08:07:00,566 INFO L202 PluginConnector]: Adding new model easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 08:07:00 BasicIcfg [2021-03-26 08:07:00,566 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 08:07:00,567 INFO L168 Benchmark]: Toolchain (without parser) took 857914.22 ms. Allocated memory was 308.3 MB in the beginning and 2.9 GB in the end (delta: 2.6 GB). Free memory was 288.8 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.0 GB. [2021-03-26 08:07:00,567 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 308.3 MB. Free memory was 289.9 MB in the beginning and 289.9 MB in the end (delta: 74.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 08:07:00,567 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.20 ms. Allocated memory is still 308.3 MB. Free memory was 288.7 MB in the beginning and 287.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 08:07:00,567 INFO L168 Benchmark]: Boogie Preprocessor took 18.81 ms. Allocated memory is still 308.3 MB. Free memory was 287.2 MB in the beginning and 286.3 MB in the end (delta: 942.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 08:07:00,567 INFO L168 Benchmark]: RCFGBuilder took 251.13 ms. Allocated memory is still 308.3 MB. Free memory was 286.2 MB in the beginning and 273.7 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-03-26 08:07:00,567 INFO L168 Benchmark]: TraceAbstraction took 857617.87 ms. Allocated memory was 308.3 MB in the beginning and 2.9 GB in the end (delta: 2.6 GB). Free memory was 273.3 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.0 GB. [2021-03-26 08:07:00,567 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 308.3 MB. Free memory was 289.9 MB in the beginning and 289.9 MB in the end (delta: 74.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 22.20 ms. Allocated memory is still 308.3 MB. Free memory was 288.7 MB in the beginning and 287.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 18.81 ms. Allocated memory is still 308.3 MB. Free memory was 287.2 MB in the beginning and 286.3 MB in the end (delta: 942.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 251.13 ms. Allocated memory is still 308.3 MB. Free memory was 286.2 MB in the beginning and 273.7 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 857617.87 ms. Allocated memory was 308.3 MB in the beginning and 2.9 GB in the end (delta: 2.6 GB). Free memory was 273.3 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 316.3ms, 52 PlacesBefore, 39 PlacesAfterwards, 39 TransitionsBefore, 26 TransitionsAfterwards, 756 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 12 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 13 TotalNumberOfCompositions, 936 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 501, positive: 465, positive conditional: 465, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 451, positive: 420, positive conditional: 0, positive unconditional: 420, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 451, positive: 420, positive conditional: 0, positive unconditional: 420, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 451, positive: 416, positive conditional: 0, positive unconditional: 416, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 501, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 451, unknown conditional: 451, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 119, Positive cache size: 99, Positive conditional cache size: 99, Positive unconditional cache size: 0, Negative cache size: 20, Negative conditional cache size: 20, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 49.2ms, 34 PlacesBefore, 32 PlacesAfterwards, 26 TransitionsBefore, 24 TransitionsAfterwards, 280 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 521 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 244, positive: 209, positive conditional: 209, positive unconditional: 0, negative: 35, negative conditional: 35, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 83, positive: 83, positive conditional: 11, positive unconditional: 72, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 83, positive: 83, positive conditional: 11, positive unconditional: 72, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 83, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 244, positive: 126, positive conditional: 126, positive unconditional: 0, negative: 35, negative conditional: 35, negative unconditional: 0, unknown: 83, unknown conditional: 83, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 122, Positive cache size: 107, Positive conditional cache size: 107, Positive unconditional cache size: 0, Negative cache size: 15, Negative conditional cache size: 15, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 44.4ms, 33 PlacesBefore, 31 PlacesAfterwards, 24 TransitionsBefore, 22 TransitionsAfterwards, 220 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 315 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 180, positive: 157, positive conditional: 157, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 60, positive: 60, positive conditional: 14, positive unconditional: 46, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 60, positive: 60, positive conditional: 14, positive unconditional: 46, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 60, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 180, positive: 97, positive conditional: 97, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 60, unknown conditional: 60, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 117, Positive cache size: 107, Positive conditional cache size: 107, Positive unconditional cache size: 0, Negative cache size: 10, Negative conditional cache size: 10, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 113.4ms, 57 PlacesBefore, 55 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 330 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 7 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 2, Negative conditional cache size: 2, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18.6ms, 53 PlacesBefore, 53 PlacesAfterwards, 68 TransitionsBefore, 68 TransitionsAfterwards, 232 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 2, Negative conditional cache size: 2, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18.0ms, 62 PlacesBefore, 61 PlacesAfterwards, 73 TransitionsBefore, 73 TransitionsAfterwards, 238 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 51, Positive conditional cache size: 51, Positive unconditional cache size: 0, Negative cache size: 2, Negative conditional cache size: 2, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 260.9ms, 65 PlacesBefore, 59 PlacesAfterwards, 68 TransitionsBefore, 68 TransitionsAfterwards, 238 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 63 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 63, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 21, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 21, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 63, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 66, Positive conditional cache size: 66, Positive unconditional cache size: 0, Negative cache size: 2, Negative conditional cache size: 2, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 78.4ms, 76 PlacesBefore, 73 PlacesAfterwards, 109 TransitionsBefore, 109 TransitionsAfterwards, 338 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 19 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 19, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 19, positive conditional: 10, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19, positive: 19, positive conditional: 10, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 19, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 69, Positive cache size: 69, Positive conditional cache size: 69, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 128.2ms, 98 PlacesBefore, 97 PlacesAfterwards, 164 TransitionsBefore, 164 TransitionsAfterwards, 468 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 6 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 66, Positive conditional cache size: 66, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 88.3ms, 119 PlacesBefore, 118 PlacesAfterwards, 217 TransitionsBefore, 217 TransitionsAfterwards, 540 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 67, Positive cache size: 66, Positive conditional cache size: 66, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 140.7ms, 136 PlacesBefore, 135 PlacesAfterwards, 228 TransitionsBefore, 228 TransitionsAfterwards, 556 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 66, Positive conditional cache size: 66, Positive unconditional cache size: 0, Negative cache size: 2, Negative conditional cache size: 2, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 86.9ms, 143 PlacesBefore, 141 PlacesAfterwards, 228 TransitionsBefore, 228 TransitionsAfterwards, 550 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 66, Positive conditional cache size: 66, Positive unconditional cache size: 0, Negative cache size: 2, Negative conditional cache size: 2, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 51.3ms, 140 PlacesBefore, 138 PlacesAfterwards, 226 TransitionsBefore, 226 TransitionsAfterwards, 544 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 66, Positive conditional cache size: 66, Positive unconditional cache size: 0, Negative cache size: 2, Negative conditional cache size: 2, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 50.8ms, 141 PlacesBefore, 139 PlacesAfterwards, 227 TransitionsBefore, 227 TransitionsAfterwards, 544 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 66, Positive conditional cache size: 66, Positive unconditional cache size: 0, Negative cache size: 2, Negative conditional cache size: 2, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 91.0ms, 145 PlacesBefore, 144 PlacesAfterwards, 233 TransitionsBefore, 233 TransitionsAfterwards, 550 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 66, Positive conditional cache size: 66, Positive unconditional cache size: 0, Negative cache size: 2, Negative conditional cache size: 2, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 126.3ms, 149 PlacesBefore, 146 PlacesAfterwards, 231 TransitionsBefore, 231 TransitionsAfterwards, 550 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 66, Positive conditional cache size: 66, Positive unconditional cache size: 0, Negative cache size: 2, Negative conditional cache size: 2, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 82.0ms, 147 PlacesBefore, 142 PlacesAfterwards, 228 TransitionsBefore, 228 TransitionsAfterwards, 550 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 66, Positive conditional cache size: 66, Positive unconditional cache size: 0, Negative cache size: 2, Negative conditional cache size: 2, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 68.5ms, 143 PlacesBefore, 143 PlacesAfterwards, 226 TransitionsBefore, 226 TransitionsAfterwards, 544 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 66, Positive conditional cache size: 66, Positive unconditional cache size: 0, Negative cache size: 2, Negative conditional cache size: 2, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 65.3ms, 145 PlacesBefore, 140 PlacesAfterwards, 223 TransitionsBefore, 223 TransitionsAfterwards, 534 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 66, Positive conditional cache size: 66, Positive unconditional cache size: 0, Negative cache size: 2, Negative conditional cache size: 2, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 144.8ms, 153 PlacesBefore, 149 PlacesAfterwards, 248 TransitionsBefore, 246 TransitionsAfterwards, 544 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 8 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 46, Positive conditional cache size: 46, Positive unconditional cache size: 0, Negative cache size: 3, Negative conditional cache size: 3, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 171.5ms, 164 PlacesBefore, 161 PlacesAfterwards, 277 TransitionsBefore, 276 TransitionsAfterwards, 588 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 10 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 41, Positive conditional cache size: 41, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 133.5ms, 166 PlacesBefore, 165 PlacesAfterwards, 278 TransitionsBefore, 277 TransitionsAfterwards, 586 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 41, Positive conditional cache size: 41, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 116.4ms, 168 PlacesBefore, 168 PlacesAfterwards, 278 TransitionsBefore, 278 TransitionsAfterwards, 586 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 72.7ms, 174 PlacesBefore, 171 PlacesAfterwards, 279 TransitionsBefore, 279 TransitionsAfterwards, 588 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 169.6ms, 176 PlacesBefore, 176 PlacesAfterwards, 289 TransitionsBefore, 289 TransitionsAfterwards, 622 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 8 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 109.5ms, 186 PlacesBefore, 183 PlacesAfterwards, 293 TransitionsBefore, 293 TransitionsAfterwards, 620 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 98.1ms, 158 PlacesBefore, 158 PlacesAfterwards, 242 TransitionsBefore, 242 TransitionsAfterwards, 394 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 58.4ms, 172 PlacesBefore, 170 PlacesAfterwards, 249 TransitionsBefore, 249 TransitionsAfterwards, 418 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 66.6ms, 173 PlacesBefore, 171 PlacesAfterwards, 247 TransitionsBefore, 247 TransitionsAfterwards, 418 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 62.3ms, 178 PlacesBefore, 176 PlacesAfterwards, 259 TransitionsBefore, 259 TransitionsAfterwards, 430 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 100.2ms, 186 PlacesBefore, 184 PlacesAfterwards, 267 TransitionsBefore, 267 TransitionsAfterwards, 434 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 65.0ms, 188 PlacesBefore, 184 PlacesAfterwards, 263 TransitionsBefore, 263 TransitionsAfterwards, 428 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 74.5ms, 185 PlacesBefore, 184 PlacesAfterwards, 264 TransitionsBefore, 264 TransitionsAfterwards, 428 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 93.0ms, 190 PlacesBefore, 188 PlacesAfterwards, 268 TransitionsBefore, 268 TransitionsAfterwards, 430 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 136.5ms, 198 PlacesBefore, 196 PlacesAfterwards, 291 TransitionsBefore, 291 TransitionsAfterwards, 454 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 82.0ms, 210 PlacesBefore, 210 PlacesAfterwards, 320 TransitionsBefore, 320 TransitionsAfterwards, 500 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 85.0ms, 223 PlacesBefore, 222 PlacesAfterwards, 328 TransitionsBefore, 328 TransitionsAfterwards, 510 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 130.2ms, 236 PlacesBefore, 235 PlacesAfterwards, 333 TransitionsBefore, 333 TransitionsAfterwards, 510 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 137.0ms, 239 PlacesBefore, 239 PlacesAfterwards, 346 TransitionsBefore, 346 TransitionsAfterwards, 514 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 121.8ms, 248 PlacesBefore, 246 PlacesAfterwards, 348 TransitionsBefore, 348 TransitionsAfterwards, 522 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 105.6ms, 256 PlacesBefore, 254 PlacesAfterwards, 359 TransitionsBefore, 359 TransitionsAfterwards, 530 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 122.3ms, 264 PlacesBefore, 262 PlacesAfterwards, 363 TransitionsBefore, 363 TransitionsAfterwards, 528 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 153.9ms, 269 PlacesBefore, 263 PlacesAfterwards, 359 TransitionsBefore, 359 TransitionsAfterwards, 528 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 105.6ms, 266 PlacesBefore, 264 PlacesAfterwards, 360 TransitionsBefore, 360 TransitionsAfterwards, 526 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 144.8ms, 273 PlacesBefore, 271 PlacesAfterwards, 366 TransitionsBefore, 366 TransitionsAfterwards, 530 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 192.8ms, 275 PlacesBefore, 270 PlacesAfterwards, 365 TransitionsBefore, 363 TransitionsAfterwards, 530 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 111.5ms, 270 PlacesBefore, 266 PlacesAfterwards, 360 TransitionsBefore, 360 TransitionsAfterwards, 526 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 107.1ms, 266 PlacesBefore, 260 PlacesAfterwards, 358 TransitionsBefore, 358 TransitionsAfterwards, 524 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 104.0ms, 265 PlacesBefore, 262 PlacesAfterwards, 361 TransitionsBefore, 361 TransitionsAfterwards, 528 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 112.2ms, 266 PlacesBefore, 262 PlacesAfterwards, 356 TransitionsBefore, 356 TransitionsAfterwards, 528 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 110.7ms, 265 PlacesBefore, 259 PlacesAfterwards, 353 TransitionsBefore, 353 TransitionsAfterwards, 528 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 135.0ms, 260 PlacesBefore, 258 PlacesAfterwards, 351 TransitionsBefore, 351 TransitionsAfterwards, 526 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 111.7ms, 257 PlacesBefore, 257 PlacesAfterwards, 350 TransitionsBefore, 350 TransitionsAfterwards, 524 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 103.1ms, 257 PlacesBefore, 257 PlacesAfterwards, 349 TransitionsBefore, 349 TransitionsAfterwards, 522 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 102.5ms, 260 PlacesBefore, 257 PlacesAfterwards, 347 TransitionsBefore, 347 TransitionsAfterwards, 520 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 103.0ms, 259 PlacesBefore, 252 PlacesAfterwards, 343 TransitionsBefore, 343 TransitionsAfterwards, 520 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 121.6ms, 259 PlacesBefore, 257 PlacesAfterwards, 348 TransitionsBefore, 348 TransitionsAfterwards, 528 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 111.8ms, 267 PlacesBefore, 266 PlacesAfterwards, 360 TransitionsBefore, 360 TransitionsAfterwards, 538 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 110.4ms, 268 PlacesBefore, 261 PlacesAfterwards, 356 TransitionsBefore, 356 TransitionsAfterwards, 538 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 108.0ms, 265 PlacesBefore, 259 PlacesAfterwards, 356 TransitionsBefore, 356 TransitionsAfterwards, 530 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 111.1ms, 264 PlacesBefore, 261 PlacesAfterwards, 357 TransitionsBefore, 357 TransitionsAfterwards, 534 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 40, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 155.5ms, 273 PlacesBefore, 270 PlacesAfterwards, 378 TransitionsBefore, 378 TransitionsAfterwards, 556 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 42, Positive conditional cache size: 42, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 124.1ms, 284 PlacesBefore, 282 PlacesAfterwards, 379 TransitionsBefore, 379 TransitionsAfterwards, 556 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 42, Positive conditional cache size: 42, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 166.3ms, 288 PlacesBefore, 287 PlacesAfterwards, 386 TransitionsBefore, 386 TransitionsAfterwards, 564 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 42, Positive conditional cache size: 42, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 163.8ms, 293 PlacesBefore, 291 PlacesAfterwards, 397 TransitionsBefore, 396 TransitionsAfterwards, 566 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 42, Positive conditional cache size: 42, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 142.9ms, 299 PlacesBefore, 296 PlacesAfterwards, 395 TransitionsBefore, 395 TransitionsAfterwards, 564 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 42, Positive conditional cache size: 42, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 128.5ms, 298 PlacesBefore, 298 PlacesAfterwards, 397 TransitionsBefore, 397 TransitionsAfterwards, 564 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 42, Positive conditional cache size: 42, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 129.2ms, 300 PlacesBefore, 300 PlacesAfterwards, 399 TransitionsBefore, 399 TransitionsAfterwards, 564 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 42, Positive conditional cache size: 42, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 126.4ms, 305 PlacesBefore, 304 PlacesAfterwards, 400 TransitionsBefore, 400 TransitionsAfterwards, 566 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 42, Positive conditional cache size: 42, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 182.6ms, 314 PlacesBefore, 312 PlacesAfterwards, 425 TransitionsBefore, 425 TransitionsAfterwards, 586 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 43, Positive conditional cache size: 43, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 193.4ms, 325 PlacesBefore, 324 PlacesAfterwards, 437 TransitionsBefore, 437 TransitionsAfterwards, 586 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 48, Positive cache size: 44, Positive conditional cache size: 44, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 151.9ms, 333 PlacesBefore, 331 PlacesAfterwards, 440 TransitionsBefore, 440 TransitionsAfterwards, 588 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 48, Positive cache size: 44, Positive conditional cache size: 44, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 244.9ms, 336 PlacesBefore, 335 PlacesAfterwards, 445 TransitionsBefore, 445 TransitionsAfterwards, 592 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 45, Positive conditional cache size: 45, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 149.9ms, 341 PlacesBefore, 340 PlacesAfterwards, 447 TransitionsBefore, 447 TransitionsAfterwards, 592 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 45, Positive conditional cache size: 45, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 147.7ms, 345 PlacesBefore, 341 PlacesAfterwards, 447 TransitionsBefore, 447 TransitionsAfterwards, 590 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 45, Positive conditional cache size: 45, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 161.6ms, 344 PlacesBefore, 342 PlacesAfterwards, 447 TransitionsBefore, 447 TransitionsAfterwards, 590 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 45, Positive conditional cache size: 45, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 210.9ms, 348 PlacesBefore, 347 PlacesAfterwards, 448 TransitionsBefore, 448 TransitionsAfterwards, 592 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 45, Positive conditional cache size: 45, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 138.3ms, 348 PlacesBefore, 344 PlacesAfterwards, 446 TransitionsBefore, 446 TransitionsAfterwards, 590 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 45, Positive conditional cache size: 45, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 144.7ms, 347 PlacesBefore, 342 PlacesAfterwards, 442 TransitionsBefore, 442 TransitionsAfterwards, 590 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 45, Positive conditional cache size: 45, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 145.4ms, 343 PlacesBefore, 339 PlacesAfterwards, 440 TransitionsBefore, 440 TransitionsAfterwards, 588 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 45, Positive conditional cache size: 45, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 139.8ms, 342 PlacesBefore, 338 PlacesAfterwards, 438 TransitionsBefore, 438 TransitionsAfterwards, 584 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 45, Positive conditional cache size: 45, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 212.3ms, 343 PlacesBefore, 342 PlacesAfterwards, 440 TransitionsBefore, 440 TransitionsAfterwards, 582 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 45, Positive conditional cache size: 45, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 134.1ms, 342 PlacesBefore, 337 PlacesAfterwards, 437 TransitionsBefore, 437 TransitionsAfterwards, 576 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 45, Positive conditional cache size: 45, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 147.9ms, 343 PlacesBefore, 341 PlacesAfterwards, 439 TransitionsBefore, 439 TransitionsAfterwards, 574 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 45, Positive conditional cache size: 45, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 247.1ms, 347 PlacesBefore, 342 PlacesAfterwards, 439 TransitionsBefore, 437 TransitionsAfterwards, 576 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 42, Positive conditional cache size: 42, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 144.2ms, 347 PlacesBefore, 343 PlacesAfterwards, 448 TransitionsBefore, 448 TransitionsAfterwards, 582 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 42, Positive conditional cache size: 42, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 155.1ms, 355 PlacesBefore, 354 PlacesAfterwards, 452 TransitionsBefore, 452 TransitionsAfterwards, 582 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 42, Positive conditional cache size: 42, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 168.7ms, 366 PlacesBefore, 365 PlacesAfterwards, 471 TransitionsBefore, 471 TransitionsAfterwards, 612 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 42, Positive conditional cache size: 42, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 205.2ms, 374 PlacesBefore, 371 PlacesAfterwards, 478 TransitionsBefore, 477 TransitionsAfterwards, 614 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 229.8ms, 381 PlacesBefore, 379 PlacesAfterwards, 481 TransitionsBefore, 481 TransitionsAfterwards, 614 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 26, Positive conditional cache size: 26, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 193.4ms, 381 PlacesBefore, 375 PlacesAfterwards, 475 TransitionsBefore, 475 TransitionsAfterwards, 612 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 26, Positive conditional cache size: 26, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 235.1ms, 378 PlacesBefore, 376 PlacesAfterwards, 479 TransitionsBefore, 479 TransitionsAfterwards, 616 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 31, Positive cache size: 27, Positive conditional cache size: 27, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 230.5ms, 381 PlacesBefore, 378 PlacesAfterwards, 477 TransitionsBefore, 477 TransitionsAfterwards, 616 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 28, Positive conditional cache size: 28, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 163.9ms, 378 PlacesBefore, 376 PlacesAfterwards, 475 TransitionsBefore, 475 TransitionsAfterwards, 614 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 28, Positive conditional cache size: 28, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 180.2ms, 381 PlacesBefore, 379 PlacesAfterwards, 480 TransitionsBefore, 480 TransitionsAfterwards, 614 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 28, Positive conditional cache size: 28, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 175.0ms, 382 PlacesBefore, 379 PlacesAfterwards, 479 TransitionsBefore, 479 TransitionsAfterwards, 610 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 28, Positive conditional cache size: 28, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 198.5ms, 390 PlacesBefore, 389 PlacesAfterwards, 492 TransitionsBefore, 492 TransitionsAfterwards, 606 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 28, Positive conditional cache size: 28, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 217.3ms, 394 PlacesBefore, 392 PlacesAfterwards, 493 TransitionsBefore, 493 TransitionsAfterwards, 604 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 28, Positive conditional cache size: 28, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 196.0ms, 401 PlacesBefore, 400 PlacesAfterwards, 503 TransitionsBefore, 503 TransitionsAfterwards, 606 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 28, Positive conditional cache size: 28, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 192.2ms, 409 PlacesBefore, 407 PlacesAfterwards, 502 TransitionsBefore, 502 TransitionsAfterwards, 606 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 28, Positive conditional cache size: 28, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 265.5ms, 414 PlacesBefore, 414 PlacesAfterwards, 513 TransitionsBefore, 513 TransitionsAfterwards, 604 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 28, Positive conditional cache size: 28, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 248.1ms, 421 PlacesBefore, 419 PlacesAfterwards, 516 TransitionsBefore, 515 TransitionsAfterwards, 606 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 201.2ms, 420 PlacesBefore, 419 PlacesAfterwards, 511 TransitionsBefore, 511 TransitionsAfterwards, 602 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 212.9ms, 420 PlacesBefore, 418 PlacesAfterwards, 508 TransitionsBefore, 508 TransitionsAfterwards, 600 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 184.8ms, 414 PlacesBefore, 412 PlacesAfterwards, 508 TransitionsBefore, 508 TransitionsAfterwards, 600 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 334.6ms, 416 PlacesBefore, 411 PlacesAfterwards, 507 TransitionsBefore, 505 TransitionsAfterwards, 600 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 259.9ms, 417 PlacesBefore, 415 PlacesAfterwards, 508 TransitionsBefore, 507 TransitionsAfterwards, 600 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 203.0ms, 416 PlacesBefore, 412 PlacesAfterwards, 504 TransitionsBefore, 504 TransitionsAfterwards, 598 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 189.0ms, 410 PlacesBefore, 408 PlacesAfterwards, 502 TransitionsBefore, 502 TransitionsAfterwards, 596 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 178.3ms, 408 PlacesBefore, 406 PlacesAfterwards, 501 TransitionsBefore, 501 TransitionsAfterwards, 596 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 189.0ms, 409 PlacesBefore, 408 PlacesAfterwards, 506 TransitionsBefore, 506 TransitionsAfterwards, 596 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 181.4ms, 414 PlacesBefore, 413 PlacesAfterwards, 508 TransitionsBefore, 508 TransitionsAfterwards, 596 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 214.6ms, 420 PlacesBefore, 419 PlacesAfterwards, 511 TransitionsBefore, 511 TransitionsAfterwards, 596 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 229.6ms, 425 PlacesBefore, 424 PlacesAfterwards, 511 TransitionsBefore, 511 TransitionsAfterwards, 596 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 204.4ms, 430 PlacesBefore, 428 PlacesAfterwards, 509 TransitionsBefore, 509 TransitionsAfterwards, 596 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 201.9ms, 428 PlacesBefore, 427 PlacesAfterwards, 509 TransitionsBefore, 509 TransitionsAfterwards, 596 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 187.5ms, 432 PlacesBefore, 430 PlacesAfterwards, 509 TransitionsBefore, 509 TransitionsAfterwards, 596 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 195.0ms, 435 PlacesBefore, 434 PlacesAfterwards, 512 TransitionsBefore, 512 TransitionsAfterwards, 596 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 303.6ms, 448 PlacesBefore, 446 PlacesAfterwards, 538 TransitionsBefore, 538 TransitionsAfterwards, 582 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 6 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 31, Positive cache size: 27, Positive conditional cache size: 27, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 381.8ms, 454 PlacesBefore, 453 PlacesAfterwards, 538 TransitionsBefore, 538 TransitionsAfterwards, 584 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 204.9ms, 455 PlacesBefore, 454 PlacesAfterwards, 534 TransitionsBefore, 534 TransitionsAfterwards, 572 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 225.9ms, 457 PlacesBefore, 454 PlacesAfterwards, 532 TransitionsBefore, 532 TransitionsAfterwards, 572 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 228.0ms, 456 PlacesBefore, 450 PlacesAfterwards, 529 TransitionsBefore, 529 TransitionsAfterwards, 572 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 226.0ms, 451 PlacesBefore, 448 PlacesAfterwards, 526 TransitionsBefore, 526 TransitionsAfterwards, 570 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 222.9ms, 446 PlacesBefore, 444 PlacesAfterwards, 525 TransitionsBefore, 525 TransitionsAfterwards, 570 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 238.9ms, 450 PlacesBefore, 449 PlacesAfterwards, 527 TransitionsBefore, 527 TransitionsAfterwards, 570 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 265.8ms, 449 PlacesBefore, 447 PlacesAfterwards, 526 TransitionsBefore, 526 TransitionsAfterwards, 570 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 287.9ms, 455 PlacesBefore, 451 PlacesAfterwards, 523 TransitionsBefore, 523 TransitionsAfterwards, 572 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 220.7ms, 453 PlacesBefore, 451 PlacesAfterwards, 527 TransitionsBefore, 527 TransitionsAfterwards, 572 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 227.1ms, 455 PlacesBefore, 454 PlacesAfterwards, 526 TransitionsBefore, 526 TransitionsAfterwards, 572 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 200.1ms, 459 PlacesBefore, 457 PlacesAfterwards, 526 TransitionsBefore, 526 TransitionsAfterwards, 572 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 244.2ms, 460 PlacesBefore, 458 PlacesAfterwards, 527 TransitionsBefore, 527 TransitionsAfterwards, 572 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 258.4ms, 466 PlacesBefore, 464 PlacesAfterwards, 530 TransitionsBefore, 530 TransitionsAfterwards, 576 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 198.3ms, 466 PlacesBefore, 464 PlacesAfterwards, 529 TransitionsBefore, 529 TransitionsAfterwards, 576 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 220.7ms, 463 PlacesBefore, 457 PlacesAfterwards, 524 TransitionsBefore, 524 TransitionsAfterwards, 576 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 197.4ms, 461 PlacesBefore, 460 PlacesAfterwards, 528 TransitionsBefore, 528 TransitionsAfterwards, 578 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 203.2ms, 468 PlacesBefore, 467 PlacesAfterwards, 529 TransitionsBefore, 529 TransitionsAfterwards, 582 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 265.8ms, 471 PlacesBefore, 468 PlacesAfterwards, 530 TransitionsBefore, 529 TransitionsAfterwards, 588 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 224.2ms, 472 PlacesBefore, 471 PlacesAfterwards, 531 TransitionsBefore, 531 TransitionsAfterwards, 594 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 199.0ms, 472 PlacesBefore, 470 PlacesAfterwards, 528 TransitionsBefore, 528 TransitionsAfterwards, 590 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 213.6ms, 469 PlacesBefore, 467 PlacesAfterwards, 526 TransitionsBefore, 526 TransitionsAfterwards, 588 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 224.0ms, 466 PlacesBefore, 454 PlacesAfterwards, 520 TransitionsBefore, 520 TransitionsAfterwards, 588 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 280.3ms, 460 PlacesBefore, 458 PlacesAfterwards, 519 TransitionsBefore, 519 TransitionsAfterwards, 588 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 195.8ms, 461 PlacesBefore, 453 PlacesAfterwards, 515 TransitionsBefore, 515 TransitionsAfterwards, 584 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 206.6ms, 456 PlacesBefore, 455 PlacesAfterwards, 515 TransitionsBefore, 515 TransitionsAfterwards, 588 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 198.5ms, 457 PlacesBefore, 454 PlacesAfterwards, 512 TransitionsBefore, 512 TransitionsAfterwards, 584 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 185.4ms, 455 PlacesBefore, 446 PlacesAfterwards, 508 TransitionsBefore, 508 TransitionsAfterwards, 582 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 218.7ms, 449 PlacesBefore, 439 PlacesAfterwards, 503 TransitionsBefore, 503 TransitionsAfterwards, 582 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 189.4ms, 439 PlacesBefore, 434 PlacesAfterwards, 498 TransitionsBefore, 498 TransitionsAfterwards, 582 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 202.8ms, 430 PlacesBefore, 422 PlacesAfterwards, 494 TransitionsBefore, 494 TransitionsAfterwards, 578 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 193.1ms, 429 PlacesBefore, 427 PlacesAfterwards, 502 TransitionsBefore, 502 TransitionsAfterwards, 616 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 25, Positive conditional cache size: 25, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 242.3ms, 430 PlacesBefore, 418 PlacesAfterwards, 494 TransitionsBefore, 494 TransitionsAfterwards, 612 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 26, Positive conditional cache size: 26, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 292.2ms, 422 PlacesBefore, 422 PlacesAfterwards, 513 TransitionsBefore, 513 TransitionsAfterwards, 664 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 182.7ms, 428 PlacesBefore, 426 PlacesAfterwards, 512 TransitionsBefore, 512 TransitionsAfterwards, 664 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 190.2ms, 425 PlacesBefore, 425 PlacesAfterwards, 510 TransitionsBefore, 510 TransitionsAfterwards, 658 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 226.8ms, 428 PlacesBefore, 428 PlacesAfterwards, 518 TransitionsBefore, 518 TransitionsAfterwards, 676 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 220.0ms, 439 PlacesBefore, 438 PlacesAfterwards, 552 TransitionsBefore, 552 TransitionsAfterwards, 672 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 220.1ms, 445 PlacesBefore, 443 PlacesAfterwards, 550 TransitionsBefore, 550 TransitionsAfterwards, 668 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 313.9ms, 449 PlacesBefore, 449 PlacesAfterwards, 579 TransitionsBefore, 579 TransitionsAfterwards, 680 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 267.1ms, 466 PlacesBefore, 465 PlacesAfterwards, 621 TransitionsBefore, 621 TransitionsAfterwards, 694 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 302.0ms, 472 PlacesBefore, 470 PlacesAfterwards, 620 TransitionsBefore, 620 TransitionsAfterwards, 692 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 273.1ms, 479 PlacesBefore, 473 PlacesAfterwards, 633 TransitionsBefore, 633 TransitionsAfterwards, 688 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 270.0ms, 476 PlacesBefore, 476 PlacesAfterwards, 632 TransitionsBefore, 632 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 276.2ms, 482 PlacesBefore, 481 PlacesAfterwards, 635 TransitionsBefore, 635 TransitionsAfterwards, 700 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 275.1ms, 491 PlacesBefore, 488 PlacesAfterwards, 631 TransitionsBefore, 631 TransitionsAfterwards, 692 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 302.2ms, 489 PlacesBefore, 485 PlacesAfterwards, 628 TransitionsBefore, 628 TransitionsAfterwards, 692 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 266.9ms, 489 PlacesBefore, 485 PlacesAfterwards, 622 TransitionsBefore, 622 TransitionsAfterwards, 692 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 314.3ms, 487 PlacesBefore, 486 PlacesAfterwards, 623 TransitionsBefore, 623 TransitionsAfterwards, 700 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 316.5ms, 489 PlacesBefore, 488 PlacesAfterwards, 623 TransitionsBefore, 623 TransitionsAfterwards, 696 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 307.2ms, 493 PlacesBefore, 491 PlacesAfterwards, 625 TransitionsBefore, 625 TransitionsAfterwards, 696 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 313.2ms, 492 PlacesBefore, 483 PlacesAfterwards, 620 TransitionsBefore, 620 TransitionsAfterwards, 696 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 312.1ms, 491 PlacesBefore, 487 PlacesAfterwards, 617 TransitionsBefore, 617 TransitionsAfterwards, 696 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 324.2ms, 489 PlacesBefore, 488 PlacesAfterwards, 618 TransitionsBefore, 618 TransitionsAfterwards, 700 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 307.1ms, 492 PlacesBefore, 482 PlacesAfterwards, 613 TransitionsBefore, 613 TransitionsAfterwards, 700 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 302.6ms, 482 PlacesBefore, 476 PlacesAfterwards, 609 TransitionsBefore, 609 TransitionsAfterwards, 700 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 298.1ms, 479 PlacesBefore, 476 PlacesAfterwards, 605 TransitionsBefore, 605 TransitionsAfterwards, 700 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 304.3ms, 484 PlacesBefore, 469 PlacesAfterwards, 598 TransitionsBefore, 598 TransitionsAfterwards, 698 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 260.6ms, 463 PlacesBefore, 452 PlacesAfterwards, 591 TransitionsBefore, 591 TransitionsAfterwards, 698 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 255.4ms, 458 PlacesBefore, 457 PlacesAfterwards, 605 TransitionsBefore, 605 TransitionsAfterwards, 700 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 279.4ms, 461 PlacesBefore, 457 PlacesAfterwards, 602 TransitionsBefore, 602 TransitionsAfterwards, 700 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 284.7ms, 458 PlacesBefore, 451 PlacesAfterwards, 593 TransitionsBefore, 593 TransitionsAfterwards, 698 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 247.1ms, 449 PlacesBefore, 441 PlacesAfterwards, 583 TransitionsBefore, 583 TransitionsAfterwards, 698 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 282.0ms, 436 PlacesBefore, 433 PlacesAfterwards, 581 TransitionsBefore, 581 TransitionsAfterwards, 698 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 231.8ms, 437 PlacesBefore, 431 PlacesAfterwards, 575 TransitionsBefore, 575 TransitionsAfterwards, 698 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 223.3ms, 431 PlacesBefore, 424 PlacesAfterwards, 566 TransitionsBefore, 566 TransitionsAfterwards, 688 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 232.8ms, 420 PlacesBefore, 418 PlacesAfterwards, 562 TransitionsBefore, 562 TransitionsAfterwards, 684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 282.1ms, 425 PlacesBefore, 423 PlacesAfterwards, 591 TransitionsBefore, 591 TransitionsAfterwards, 714 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 250.8ms, 428 PlacesBefore, 426 PlacesAfterwards, 589 TransitionsBefore, 589 TransitionsAfterwards, 704 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 279.0ms, 429 PlacesBefore, 426 PlacesAfterwards, 580 TransitionsBefore, 580 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 250.7ms, 428 PlacesBefore, 423 PlacesAfterwards, 576 TransitionsBefore, 576 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 260.7ms, 424 PlacesBefore, 413 PlacesAfterwards, 571 TransitionsBefore, 571 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 246.9ms, 413 PlacesBefore, 408 PlacesAfterwards, 568 TransitionsBefore, 568 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 271.4ms, 410 PlacesBefore, 404 PlacesAfterwards, 564 TransitionsBefore, 564 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 232.0ms, 407 PlacesBefore, 404 PlacesAfterwards, 562 TransitionsBefore, 562 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 225.0ms, 407 PlacesBefore, 400 PlacesAfterwards, 558 TransitionsBefore, 558 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 284.3ms, 404 PlacesBefore, 400 PlacesAfterwards, 555 TransitionsBefore, 555 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 216.2ms, 399 PlacesBefore, 395 PlacesAfterwards, 552 TransitionsBefore, 552 TransitionsAfterwards, 678 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 227.0ms, 397 PlacesBefore, 391 PlacesAfterwards, 547 TransitionsBefore, 547 TransitionsAfterwards, 678 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 252.6ms, 393 PlacesBefore, 391 PlacesAfterwards, 544 TransitionsBefore, 544 TransitionsAfterwards, 674 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 211.8ms, 391 PlacesBefore, 380 PlacesAfterwards, 539 TransitionsBefore, 539 TransitionsAfterwards, 674 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 217.5ms, 382 PlacesBefore, 381 PlacesAfterwards, 538 TransitionsBefore, 538 TransitionsAfterwards, 674 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 252.4ms, 385 PlacesBefore, 378 PlacesAfterwards, 534 TransitionsBefore, 534 TransitionsAfterwards, 672 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 254.7ms, 377 PlacesBefore, 372 PlacesAfterwards, 531 TransitionsBefore, 531 TransitionsAfterwards, 672 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 287.9ms, 375 PlacesBefore, 367 PlacesAfterwards, 523 TransitionsBefore, 523 TransitionsAfterwards, 652 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 236.1ms, 368 PlacesBefore, 358 PlacesAfterwards, 517 TransitionsBefore, 517 TransitionsAfterwards, 652 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 208.5ms, 360 PlacesBefore, 354 PlacesAfterwards, 513 TransitionsBefore, 513 TransitionsAfterwards, 648 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 235.0ms, 354 PlacesBefore, 353 PlacesAfterwards, 515 TransitionsBefore, 515 TransitionsAfterwards, 652 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 263.2ms, 356 PlacesBefore, 348 PlacesAfterwards, 510 TransitionsBefore, 510 TransitionsAfterwards, 648 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 186.7ms, 348 PlacesBefore, 343 PlacesAfterwards, 507 TransitionsBefore, 507 TransitionsAfterwards, 640 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 183.4ms, 344 PlacesBefore, 339 PlacesAfterwards, 504 TransitionsBefore, 504 TransitionsAfterwards, 632 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 178.0ms, 340 PlacesBefore, 336 PlacesAfterwards, 501 TransitionsBefore, 501 TransitionsAfterwards, 632 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 212.3ms, 337 PlacesBefore, 335 PlacesAfterwards, 499 TransitionsBefore, 499 TransitionsAfterwards, 628 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 176.7ms, 335 PlacesBefore, 325 PlacesAfterwards, 493 TransitionsBefore, 493 TransitionsAfterwards, 628 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 326.0ms, 336 PlacesBefore, 335 PlacesAfterwards, 512 TransitionsBefore, 512 TransitionsAfterwards, 642 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 6 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 211.9ms, 351 PlacesBefore, 347 PlacesAfterwards, 553 TransitionsBefore, 553 TransitionsAfterwards, 656 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 302.3ms, 359 PlacesBefore, 359 PlacesAfterwards, 565 TransitionsBefore, 565 TransitionsAfterwards, 654 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 335.0ms, 371 PlacesBefore, 366 PlacesAfterwards, 569 TransitionsBefore, 568 TransitionsAfterwards, 660 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 268.1ms, 365 PlacesBefore, 363 PlacesAfterwards, 565 TransitionsBefore, 565 TransitionsAfterwards, 658 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 211.8ms, 368 PlacesBefore, 365 PlacesAfterwards, 564 TransitionsBefore, 564 TransitionsAfterwards, 658 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 284.9ms, 379 PlacesBefore, 379 PlacesAfterwards, 604 TransitionsBefore, 604 TransitionsAfterwards, 676 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 259.4ms, 387 PlacesBefore, 386 PlacesAfterwards, 620 TransitionsBefore, 620 TransitionsAfterwards, 672 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 326.9ms, 406 PlacesBefore, 406 PlacesAfterwards, 633 TransitionsBefore, 633 TransitionsAfterwards, 682 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 362.8ms, 425 PlacesBefore, 424 PlacesAfterwards, 652 TransitionsBefore, 651 TransitionsAfterwards, 696 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 377.5ms, 439 PlacesBefore, 438 PlacesAfterwards, 662 TransitionsBefore, 662 TransitionsAfterwards, 700 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 353.3ms, 446 PlacesBefore, 445 PlacesAfterwards, 657 TransitionsBefore, 657 TransitionsAfterwards, 690 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 405.8ms, 439 PlacesBefore, 439 PlacesAfterwards, 657 TransitionsBefore, 657 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 353.6ms, 446 PlacesBefore, 445 PlacesAfterwards, 671 TransitionsBefore, 671 TransitionsAfterwards, 690 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 478.3ms, 463 PlacesBefore, 459 PlacesAfterwards, 695 TransitionsBefore, 695 TransitionsAfterwards, 670 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 314.8ms, 472 PlacesBefore, 471 PlacesAfterwards, 701 TransitionsBefore, 701 TransitionsAfterwards, 670 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 387.6ms, 481 PlacesBefore, 477 PlacesAfterwards, 702 TransitionsBefore, 702 TransitionsAfterwards, 670 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 593.1ms, 483 PlacesBefore, 479 PlacesAfterwards, 706 TransitionsBefore, 706 TransitionsAfterwards, 668 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 338.3ms, 490 PlacesBefore, 486 PlacesAfterwards, 712 TransitionsBefore, 712 TransitionsAfterwards, 668 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 328.0ms, 487 PlacesBefore, 484 PlacesAfterwards, 709 TransitionsBefore, 709 TransitionsAfterwards, 668 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 331.5ms, 495 PlacesBefore, 491 PlacesAfterwards, 718 TransitionsBefore, 718 TransitionsAfterwards, 670 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 488.6ms, 495 PlacesBefore, 494 PlacesAfterwards, 732 TransitionsBefore, 732 TransitionsAfterwards, 674 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 539.3ms, 519 PlacesBefore, 515 PlacesAfterwards, 757 TransitionsBefore, 755 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 752.2ms, 522 PlacesBefore, 520 PlacesAfterwards, 759 TransitionsBefore, 759 TransitionsAfterwards, 694 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 368.6ms, 526 PlacesBefore, 524 PlacesAfterwards, 757 TransitionsBefore, 757 TransitionsAfterwards, 690 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 537.5ms, 527 PlacesBefore, 526 PlacesAfterwards, 759 TransitionsBefore, 759 TransitionsAfterwards, 692 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 478.1ms, 531 PlacesBefore, 527 PlacesAfterwards, 757 TransitionsBefore, 757 TransitionsAfterwards, 690 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 556.1ms, 528 PlacesBefore, 526 PlacesAfterwards, 755 TransitionsBefore, 755 TransitionsAfterwards, 690 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 488.3ms, 524 PlacesBefore, 520 PlacesAfterwards, 751 TransitionsBefore, 751 TransitionsAfterwards, 682 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 566.1ms, 525 PlacesBefore, 522 PlacesAfterwards, 752 TransitionsBefore, 752 TransitionsAfterwards, 684 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 591.0ms, 546 PlacesBefore, 542 PlacesAfterwards, 792 TransitionsBefore, 790 TransitionsAfterwards, 692 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 524.6ms, 554 PlacesBefore, 552 PlacesAfterwards, 795 TransitionsBefore, 795 TransitionsAfterwards, 692 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 430.6ms, 559 PlacesBefore, 557 PlacesAfterwards, 793 TransitionsBefore, 793 TransitionsAfterwards, 688 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 452.5ms, 560 PlacesBefore, 558 PlacesAfterwards, 796 TransitionsBefore, 796 TransitionsAfterwards, 690 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 431.8ms, 560 PlacesBefore, 558 PlacesAfterwards, 795 TransitionsBefore, 795 TransitionsAfterwards, 690 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 486.5ms, 568 PlacesBefore, 564 PlacesAfterwards, 812 TransitionsBefore, 812 TransitionsAfterwards, 680 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 857.1ms, 584 PlacesBefore, 584 PlacesAfterwards, 861 TransitionsBefore, 861 TransitionsAfterwards, 690 CoEnabledTransitionPairs, 2 FixpointIterations, 5 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 816.6ms, 596 PlacesBefore, 595 PlacesAfterwards, 869 TransitionsBefore, 869 TransitionsAfterwards, 700 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 611.4ms, 606 PlacesBefore, 606 PlacesAfterwards, 880 TransitionsBefore, 880 TransitionsAfterwards, 702 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 552.6ms, 608 PlacesBefore, 608 PlacesAfterwards, 879 TransitionsBefore, 879 TransitionsAfterwards, 698 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 780.6ms, 617 PlacesBefore, 615 PlacesAfterwards, 886 TransitionsBefore, 886 TransitionsAfterwards, 698 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 605.1ms, 628 PlacesBefore, 628 PlacesAfterwards, 883 TransitionsBefore, 883 TransitionsAfterwards, 692 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 570.5ms, 624 PlacesBefore, 622 PlacesAfterwards, 882 TransitionsBefore, 882 TransitionsAfterwards, 692 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 540.3ms, 626 PlacesBefore, 622 PlacesAfterwards, 879 TransitionsBefore, 879 TransitionsAfterwards, 688 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 696.8ms, 627 PlacesBefore, 625 PlacesAfterwards, 883 TransitionsBefore, 883 TransitionsAfterwards, 688 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 658.4ms, 630 PlacesBefore, 627 PlacesAfterwards, 883 TransitionsBefore, 883 TransitionsAfterwards, 684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 552.5ms, 633 PlacesBefore, 623 PlacesAfterwards, 876 TransitionsBefore, 876 TransitionsAfterwards, 684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 748.4ms, 634 PlacesBefore, 628 PlacesAfterwards, 878 TransitionsBefore, 878 TransitionsAfterwards, 682 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 735.5ms, 632 PlacesBefore, 632 PlacesAfterwards, 882 TransitionsBefore, 882 TransitionsAfterwards, 684 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 712.8ms, 638 PlacesBefore, 636 PlacesAfterwards, 891 TransitionsBefore, 891 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 639.0ms, 642 PlacesBefore, 641 PlacesAfterwards, 889 TransitionsBefore, 889 TransitionsAfterwards, 684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 669.8ms, 645 PlacesBefore, 643 PlacesAfterwards, 890 TransitionsBefore, 890 TransitionsAfterwards, 684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 868.0ms, 648 PlacesBefore, 648 PlacesAfterwards, 912 TransitionsBefore, 912 TransitionsAfterwards, 678 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 678.4ms, 655 PlacesBefore, 653 PlacesAfterwards, 913 TransitionsBefore, 913 TransitionsAfterwards, 678 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 608.7ms, 656 PlacesBefore, 654 PlacesAfterwards, 913 TransitionsBefore, 913 TransitionsAfterwards, 678 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 699.6ms, 656 PlacesBefore, 654 PlacesAfterwards, 912 TransitionsBefore, 912 TransitionsAfterwards, 678 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 677.2ms, 656 PlacesBefore, 652 PlacesAfterwards, 909 TransitionsBefore, 909 TransitionsAfterwards, 678 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 690.5ms, 652 PlacesBefore, 650 PlacesAfterwards, 910 TransitionsBefore, 910 TransitionsAfterwards, 678 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 552.7ms, 653 PlacesBefore, 648 PlacesAfterwards, 906 TransitionsBefore, 906 TransitionsAfterwards, 674 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 585.6ms, 652 PlacesBefore, 650 PlacesAfterwards, 905 TransitionsBefore, 905 TransitionsAfterwards, 674 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 639.4ms, 654 PlacesBefore, 648 PlacesAfterwards, 902 TransitionsBefore, 902 TransitionsAfterwards, 674 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 686.9ms, 651 PlacesBefore, 649 PlacesAfterwards, 903 TransitionsBefore, 903 TransitionsAfterwards, 682 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 652.8ms, 652 PlacesBefore, 646 PlacesAfterwards, 899 TransitionsBefore, 899 TransitionsAfterwards, 682 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 600.7ms, 648 PlacesBefore, 647 PlacesAfterwards, 899 TransitionsBefore, 899 TransitionsAfterwards, 682 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 703.5ms, 656 PlacesBefore, 656 PlacesAfterwards, 907 TransitionsBefore, 907 TransitionsAfterwards, 694 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 866.3ms, 666 PlacesBefore, 665 PlacesAfterwards, 918 TransitionsBefore, 918 TransitionsAfterwards, 708 CoEnabledTransitionPairs, 2 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 738.6ms, 673 PlacesBefore, 672 PlacesAfterwards, 920 TransitionsBefore, 920 TransitionsAfterwards, 710 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 571.2ms, 678 PlacesBefore, 678 PlacesAfterwards, 916 TransitionsBefore, 916 TransitionsAfterwards, 708 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 740.3ms, 675 PlacesBefore, 674 PlacesAfterwards, 915 TransitionsBefore, 915 TransitionsAfterwards, 708 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 535.2ms, 676 PlacesBefore, 672 PlacesAfterwards, 913 TransitionsBefore, 913 TransitionsAfterwards, 708 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 529.5ms, 675 PlacesBefore, 669 PlacesAfterwards, 908 TransitionsBefore, 908 TransitionsAfterwards, 706 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 559.8ms, 667 PlacesBefore, 660 PlacesAfterwards, 904 TransitionsBefore, 904 TransitionsAfterwards, 706 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 508.6ms, 666 PlacesBefore, 662 PlacesAfterwards, 901 TransitionsBefore, 901 TransitionsAfterwards, 700 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 511.9ms, 667 PlacesBefore, 663 PlacesAfterwards, 896 TransitionsBefore, 896 TransitionsAfterwards, 696 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 512.4ms, 663 PlacesBefore, 653 PlacesAfterwards, 891 TransitionsBefore, 891 TransitionsAfterwards, 696 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 496.8ms, 656 PlacesBefore, 653 PlacesAfterwards, 886 TransitionsBefore, 886 TransitionsAfterwards, 696 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 488.6ms, 651 PlacesBefore, 649 PlacesAfterwards, 882 TransitionsBefore, 882 TransitionsAfterwards, 692 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 500.0ms, 649 PlacesBefore, 637 PlacesAfterwards, 873 TransitionsBefore, 873 TransitionsAfterwards, 692 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 607.8ms, 636 PlacesBefore, 628 PlacesAfterwards, 869 TransitionsBefore, 869 TransitionsAfterwards, 692 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 804.4ms, 633 PlacesBefore, 631 PlacesAfterwards, 872 TransitionsBefore, 871 TransitionsAfterwards, 694 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 6, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 657.5ms, 634 PlacesBefore, 633 PlacesAfterwards, 873 TransitionsBefore, 873 TransitionsAfterwards, 692 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 484.7ms, 639 PlacesBefore, 637 PlacesAfterwards, 873 TransitionsBefore, 873 TransitionsAfterwards, 692 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 610.8ms, 635 PlacesBefore, 627 PlacesAfterwards, 868 TransitionsBefore, 868 TransitionsAfterwards, 688 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 556.7ms, 629 PlacesBefore, 628 PlacesAfterwards, 866 TransitionsBefore, 866 TransitionsAfterwards, 688 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 478.1ms, 628 PlacesBefore, 623 PlacesAfterwards, 863 TransitionsBefore, 863 TransitionsAfterwards, 688 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 515.4ms, 620 PlacesBefore, 618 PlacesAfterwards, 861 TransitionsBefore, 861 TransitionsAfterwards, 684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 457.4ms, 622 PlacesBefore, 618 PlacesAfterwards, 856 TransitionsBefore, 856 TransitionsAfterwards, 684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 474.3ms, 615 PlacesBefore, 607 PlacesAfterwards, 852 TransitionsBefore, 852 TransitionsAfterwards, 680 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 5, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 619.9ms, 605 PlacesBefore, 592 PlacesAfterwards, 845 TransitionsBefore, 844 TransitionsAfterwards, 674 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 644.4ms, 601 PlacesBefore, 600 PlacesAfterwards, 854 TransitionsBefore, 854 TransitionsAfterwards, 674 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 592.3ms, 612 PlacesBefore, 611 PlacesAfterwards, 860 TransitionsBefore, 860 TransitionsAfterwards, 672 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 495.0ms, 625 PlacesBefore, 623 PlacesAfterwards, 864 TransitionsBefore, 864 TransitionsAfterwards, 672 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 666.6ms, 630 PlacesBefore, 628 PlacesAfterwards, 866 TransitionsBefore, 866 TransitionsAfterwards, 676 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 595.0ms, 632 PlacesBefore, 629 PlacesAfterwards, 862 TransitionsBefore, 862 TransitionsAfterwards, 674 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 446.8ms, 631 PlacesBefore, 629 PlacesAfterwards, 861 TransitionsBefore, 861 TransitionsAfterwards, 670 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 495.4ms, 632 PlacesBefore, 624 PlacesAfterwards, 856 TransitionsBefore, 856 TransitionsAfterwards, 670 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 459.4ms, 630 PlacesBefore, 629 PlacesAfterwards, 859 TransitionsBefore, 859 TransitionsAfterwards, 670 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 442.3ms, 627 PlacesBefore, 625 PlacesAfterwards, 855 TransitionsBefore, 855 TransitionsAfterwards, 670 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 4, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 604.1ms, 629 PlacesBefore, 627 PlacesAfterwards, 862 TransitionsBefore, 861 TransitionsAfterwards, 678 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 533.3ms, 637 PlacesBefore, 636 PlacesAfterwards, 865 TransitionsBefore, 865 TransitionsAfterwards, 678 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 467.7ms, 640 PlacesBefore, 636 PlacesAfterwards, 863 TransitionsBefore, 863 TransitionsAfterwards, 678 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 470.0ms, 637 PlacesBefore, 635 PlacesAfterwards, 858 TransitionsBefore, 858 TransitionsAfterwards, 678 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 702.5ms, 637 PlacesBefore, 637 PlacesAfterwards, 854 TransitionsBefore, 854 TransitionsAfterwards, 676 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 518.3ms, 639 PlacesBefore, 639 PlacesAfterwards, 850 TransitionsBefore, 850 TransitionsAfterwards, 672 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 476.1ms, 633 PlacesBefore, 629 PlacesAfterwards, 844 TransitionsBefore, 844 TransitionsAfterwards, 672 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 561.7ms, 630 PlacesBefore, 629 PlacesAfterwards, 854 TransitionsBefore, 854 TransitionsAfterwards, 680 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 651.8ms, 644 PlacesBefore, 644 PlacesAfterwards, 877 TransitionsBefore, 877 TransitionsAfterwards, 680 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 699.0ms, 655 PlacesBefore, 654 PlacesAfterwards, 892 TransitionsBefore, 892 TransitionsAfterwards, 682 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 798.8ms, 665 PlacesBefore, 664 PlacesAfterwards, 900 TransitionsBefore, 900 TransitionsAfterwards, 690 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 503.7ms, 669 PlacesBefore, 669 PlacesAfterwards, 901 TransitionsBefore, 901 TransitionsAfterwards, 690 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 542.3ms, 671 PlacesBefore, 668 PlacesAfterwards, 900 TransitionsBefore, 900 TransitionsAfterwards, 690 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 638.5ms, 672 PlacesBefore, 672 PlacesAfterwards, 902 TransitionsBefore, 902 TransitionsAfterwards, 690 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 647.6ms, 674 PlacesBefore, 674 PlacesAfterwards, 901 TransitionsBefore, 901 TransitionsAfterwards, 690 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 842.1ms, 685 PlacesBefore, 682 PlacesAfterwards, 908 TransitionsBefore, 908 TransitionsAfterwards, 688 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 545.1ms, 689 PlacesBefore, 688 PlacesAfterwards, 919 TransitionsBefore, 919 TransitionsAfterwards, 694 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 847.8ms, 698 PlacesBefore, 696 PlacesAfterwards, 919 TransitionsBefore, 919 TransitionsAfterwards, 694 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 603.0ms, 698 PlacesBefore, 693 PlacesAfterwards, 914 TransitionsBefore, 914 TransitionsAfterwards, 694 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 569.4ms, 697 PlacesBefore, 690 PlacesAfterwards, 910 TransitionsBefore, 910 TransitionsAfterwards, 688 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 756.3ms, 700 PlacesBefore, 699 PlacesAfterwards, 928 TransitionsBefore, 928 TransitionsAfterwards, 690 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 693.3ms, 708 PlacesBefore, 707 PlacesAfterwards, 932 TransitionsBefore, 932 TransitionsAfterwards, 688 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 606.9ms, 711 PlacesBefore, 711 PlacesAfterwards, 932 TransitionsBefore, 932 TransitionsAfterwards, 690 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1177.7ms, 714 PlacesBefore, 714 PlacesAfterwards, 931 TransitionsBefore, 931 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 603.9ms, 715 PlacesBefore, 712 PlacesAfterwards, 930 TransitionsBefore, 930 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 531.5ms, 715 PlacesBefore, 714 PlacesAfterwards, 931 TransitionsBefore, 931 TransitionsAfterwards, 688 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 525.4ms, 719 PlacesBefore, 715 PlacesAfterwards, 929 TransitionsBefore, 929 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 531.3ms, 718 PlacesBefore, 716 PlacesAfterwards, 933 TransitionsBefore, 933 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 835.3ms, 731 PlacesBefore, 729 PlacesAfterwards, 947 TransitionsBefore, 947 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 732.0ms, 735 PlacesBefore, 733 PlacesAfterwards, 955 TransitionsBefore, 955 TransitionsAfterwards, 688 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 553.4ms, 744 PlacesBefore, 743 PlacesAfterwards, 958 TransitionsBefore, 958 TransitionsAfterwards, 688 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 570.0ms, 750 PlacesBefore, 746 PlacesAfterwards, 959 TransitionsBefore, 959 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 566.0ms, 748 PlacesBefore, 746 PlacesAfterwards, 957 TransitionsBefore, 957 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 668.6ms, 750 PlacesBefore, 749 PlacesAfterwards, 962 TransitionsBefore, 962 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 559.3ms, 753 PlacesBefore, 749 PlacesAfterwards, 962 TransitionsBefore, 962 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 558.5ms, 755 PlacesBefore, 750 PlacesAfterwards, 961 TransitionsBefore, 961 TransitionsAfterwards, 682 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 566.3ms, 753 PlacesBefore, 749 PlacesAfterwards, 958 TransitionsBefore, 958 TransitionsAfterwards, 682 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 571.1ms, 755 PlacesBefore, 754 PlacesAfterwards, 965 TransitionsBefore, 965 TransitionsAfterwards, 682 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 689.8ms, 759 PlacesBefore, 758 PlacesAfterwards, 974 TransitionsBefore, 974 TransitionsAfterwards, 688 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 768.3ms, 770 PlacesBefore, 768 PlacesAfterwards, 987 TransitionsBefore, 987 TransitionsAfterwards, 688 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 591.0ms, 791 PlacesBefore, 789 PlacesAfterwards, 984 TransitionsBefore, 984 TransitionsAfterwards, 690 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 806.5ms, 787 PlacesBefore, 787 PlacesAfterwards, 992 TransitionsBefore, 992 TransitionsAfterwards, 692 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 596.4ms, 793 PlacesBefore, 788 PlacesAfterwards, 984 TransitionsBefore, 984 TransitionsAfterwards, 692 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 604.7ms, 784 PlacesBefore, 783 PlacesAfterwards, 982 TransitionsBefore, 982 TransitionsAfterwards, 690 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 680.2ms, 793 PlacesBefore, 789 PlacesAfterwards, 982 TransitionsBefore, 982 TransitionsAfterwards, 688 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 613.0ms, 795 PlacesBefore, 794 PlacesAfterwards, 993 TransitionsBefore, 993 TransitionsAfterwards, 688 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 616.4ms, 803 PlacesBefore, 801 PlacesAfterwards, 994 TransitionsBefore, 994 TransitionsAfterwards, 688 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 623.4ms, 809 PlacesBefore, 802 PlacesAfterwards, 988 TransitionsBefore, 988 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 676.3ms, 802 PlacesBefore, 798 PlacesAfterwards, 987 TransitionsBefore, 987 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 615.9ms, 798 PlacesBefore, 796 PlacesAfterwards, 986 TransitionsBefore, 986 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 614.8ms, 804 PlacesBefore, 803 PlacesAfterwards, 987 TransitionsBefore, 987 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 631.0ms, 814 PlacesBefore, 810 PlacesAfterwards, 992 TransitionsBefore, 992 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 697.6ms, 818 PlacesBefore, 817 PlacesAfterwards, 998 TransitionsBefore, 998 TransitionsAfterwards, 684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 628.0ms, 825 PlacesBefore, 824 PlacesAfterwards, 1002 TransitionsBefore, 1002 TransitionsAfterwards, 684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 728.8ms, 838 PlacesBefore, 836 PlacesAfterwards, 1010 TransitionsBefore, 1010 TransitionsAfterwards, 682 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 648.8ms, 843 PlacesBefore, 843 PlacesAfterwards, 1011 TransitionsBefore, 1011 TransitionsAfterwards, 682 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 680.2ms, 850 PlacesBefore, 849 PlacesAfterwards, 1025 TransitionsBefore, 1025 TransitionsAfterwards, 680 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 888.7ms, 865 PlacesBefore, 863 PlacesAfterwards, 1035 TransitionsBefore, 1035 TransitionsAfterwards, 680 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 804.6ms, 867 PlacesBefore, 866 PlacesAfterwards, 1043 TransitionsBefore, 1043 TransitionsAfterwards, 684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 742.0ms, 877 PlacesBefore, 875 PlacesAfterwards, 1043 TransitionsBefore, 1043 TransitionsAfterwards, 684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 697.7ms, 877 PlacesBefore, 873 PlacesAfterwards, 1040 TransitionsBefore, 1040 TransitionsAfterwards, 684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 758.1ms, 872 PlacesBefore, 871 PlacesAfterwards, 1042 TransitionsBefore, 1042 TransitionsAfterwards, 684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 918.8ms, 889 PlacesBefore, 888 PlacesAfterwards, 1067 TransitionsBefore, 1067 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 912.1ms, 886 PlacesBefore, 886 PlacesAfterwards, 1064 TransitionsBefore, 1064 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 766.8ms, 890 PlacesBefore, 888 PlacesAfterwards, 1064 TransitionsBefore, 1064 TransitionsAfterwards, 684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 725.1ms, 894 PlacesBefore, 893 PlacesAfterwards, 1068 TransitionsBefore, 1068 TransitionsAfterwards, 684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 739.0ms, 902 PlacesBefore, 900 PlacesAfterwards, 1067 TransitionsBefore, 1067 TransitionsAfterwards, 684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 754.7ms, 897 PlacesBefore, 896 PlacesAfterwards, 1067 TransitionsBefore, 1067 TransitionsAfterwards, 684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 749.6ms, 903 PlacesBefore, 902 PlacesAfterwards, 1067 TransitionsBefore, 1067 TransitionsAfterwards, 684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 684.8ms, 906 PlacesBefore, 894 PlacesAfterwards, 1050 TransitionsBefore, 1050 TransitionsAfterwards, 682 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 681.9ms, 887 PlacesBefore, 885 PlacesAfterwards, 1051 TransitionsBefore, 1051 TransitionsAfterwards, 680 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 3, Positive conditional cache size: 3, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 79]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 79). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (11states, 26/212 universal loopers) in iteration 382,while PetriNetUnfolder was constructing finite prefix that currently has 28947 conditions, 1244 events (594/1243 cut-off events. For 320145/320168 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 9659 event pairs, 101 based on Foata normal form. 11/1482 useless extension candidates. Maximal degree in co-relation 28633. Up to 1035 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 857473.4ms, OverallIterations: 382, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 671351.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 395.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 12602 SDtfs, 7877 SDslu, 16654 SDs, 0 SdLazy, 237812 SolverSat, 4067 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 77724.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6089 GetRequests, 132 SyntacticMatches, 432 SemanticMatches, 5525 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5580 ImplicationChecksByTransitivity, 66244.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=33412occurred in iteration=379, InterpolantAutomatonStates: 5590, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 142.2ms SsaConstructionTime, 615.8ms SatisfiabilityAnalysisTime, 43240.9ms InterpolantComputationTime, 7404 NumberOfCodeBlocks, 7404 NumberOfCodeBlocksAsserted, 382 NumberOfCheckSat, 7022 ConstructedInterpolants, 0 QuantifiedInterpolants, 77053 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 382 InterpolantComputations, 382 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown